JWXC-1700 type infinite relay (hereinafter referred to as relay) is used as a general relay in the signal circuit.
Features
1. The relay is a heavy elastic DC electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized.
2. It adopts silver-silver oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance.
3. The magnetic circuit adopts electromagnetic pure iron material with small residual magnetism, and installs the stop piece at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the ferromagnetic parts of the magnetic circuit from magnetization, and ensure the reliable fall of the relay.
4. The contact system is composed of ordinary contacts, with eight groups of common contacts for switching on and off.
5. The rated voltage of the relay is DC 24V.
Applicable environment
The applicable environment of the relay is:
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25â??);
c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m);
d) Vibration: vibration is not more than 15Hz, amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
Mechanical properties
Number of contact groups: 8QH;
Identification pin number: 11, 51;
Contact gap: not less than 1.3mm;
Pallet gap: not less than 0.35mm;
Contact pressure: the dynamic contact point is not less than 250mN; the dynamic disconnection point is not less than 150mN;
Contact uniformity error: not more than 0.20mm.
Electrical characteristics (at 20c)
Coil resistance: 850 (1±10%) 2
The coils are connected in series, connect 2, 3, use 1, 4;
Rated value: DC24V;
Magnetizing value: DC67V;
Working value: not more than DC16.8V;
Release value: not less than DC3.4V;
Reverse working value: not more than DC18.4V;
Contact resistance: not more than 0.05.
Insulation withstand voltage
Under the standard atmospheric conditions of the test, the absolute resistance of the relay should not be less than 100MQ.
Under the condition that the air pressure is not less than 86kPa (equivalent to the altitude below 1000m), the insulation withstand voltage of the relay should be able to withstand AC sine wave 50Hz,
2000V rms voltage, there should be no breakdown flashover after 1 min, and the voltage during repeated test should be 75% of the original test voltage.
Product electrical life
The relay contacts are connected to DC24V1A resistive load; its electrical life is 2106 times.
JWXC-7 type infinite relay is a relay widely used in railway signal technology, called signal relay, and it is an important part of railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system.
Product Usage
The JWXC-7 type infinite relay is used as a general purpose and air-proof step-down relay in the signal circuit.
Applicable environment
The applicable environment of the relay is:
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25);
c) Air pressure: not less than 70kPa (equivalent to below 3000m above sea level);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
product structure
Infinite relay is the typical structure of AX series relay, which is composed of electromagnetic system and contact system. The electromagnetic system includes coils, iron cores, vehicle irons and armatures. The coil is installed horizontally on the iron core, and is divided into a front coil and a back coil. The use of dual coils is to enhance the flexibility and flexibility of the control circuit, which can be controlled by a single coil or a series of double coils according to the circuit needs. The armature is fixed on the blade of the yoke by a butterfly-shaped steel wire, which is flexible in movement. There is a heavy hammer in the transmission part of the Yantie to ensure that the relay armature returns reliably by gravity. The number of weights installed is determined by the structure of the relay contact system, and should be able to ensure the reliable release of the relay. A stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit of the relay, prevent the ferromagnetic parts of the magnetic circuit from magnetizing, and ensure that the relay falls reliably. The iron core, vehicle iron and armature of the relay are made of electromagnetic pure iron, which has high magnetic permeability and small remanence.
The JWXC-2.3 type infinite relay is used as a DC track relay in the signal circuit.
Features
1. The relay is a heavy elastic DC electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized.
2. It adopts silver-silver cadmium oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance.
3. The magnetic circuit adopts electromagnetic pure iron material with small residual, and installs the stop piece at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the magnetization of the ferromagnetic parts of the magnetic circuit, and ensure the reliable fall of the relay.
4. The contact system is composed of ordinary contacts, and there are four groups of ordinary contacts for switching on and off.
5.The rated current of the relay is 280mA DC.
Applicable environment
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25);
c) Air pressure: not less than 70KPa (equivalent to an altitude below 3000m);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
product structure
Infinite relay is the typical structure of Ax series relay, which is composed of electromagnetic system and contact system. The electromagnetic system includes coil, iron core, choke and armature. The coil is installed horizontally on the iron core, and is divided into a front coil and a back coil. The use of dual coils is to enhance the flexibility and flexibility of the control circuit, which can be controlled by a single coil or a series of double coils according to the circuit needs. The armature is fixed on the blade of the iron by a butterfly-shaped steel wire, which is flexible in movement. There is a heavy hammer in the transmission part of the armature to ensure that the relay armature returns reliably by gravity. The number of weights installed is determined by the structure of the relay contact system, and should be able to ensure the reliable release of the relay. A stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit of the relay, prevent the ferromagnetic parts of the magnetic circuit from magnetizing, and ensure that the relay falls reliably. The iron core, choke iron and armature of the relay are made of electromagnetic pure iron, which has high magnetic permeability and small remanence.
JWXC-1000 type infinite relay is used to close and open the special multi-way switch of signal control circuit. It is an important part of railway signal. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the action of the relay directly affects the reliability and safety of the signal system.
Features
JWXC-1000 type infinite relay is one of the main components in railway signal equipment. Its reliability and safety in use are necessary requirements to ensure the normal operation of various automatic control and remote control signal equipment.
Product function
The signal relay is an important component in the interlocking equipment, and is the main equipment to ensure the safe operation of the system. The signal relay can control the switching of the turnout, lock and unlock the route, and control the opening and closing of the signal machine. Its reliability, availability, maintainability and the whole line are the keys to the safety of railway transportation and operation services.
Product Usage
The JWXC-1000 type infinite relay is used as a general relay in the signal circuit.
Executive standard
GB/T7417-2010 "Railway Signal AX Series Relay"
Product Usage
JWXC-1000 type infinite relay (hereinafter referred to as relay) is used as a general relay in the signal circuit.
Applicable environment
The applicable environment of the relay is:
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25C);
c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
Applicable characteristics
Mechanical properties
Number of contact groups: 8QH;
Identification pin number: 11, 52;
Contact gap: not less than 1.3mm;
Pallet gap: not less than 0.35mm;
Contact pressure: the dynamic contact point is not less than 250mN; the dynamic disconnection point is not less than 150mN;
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LOADING WEIGHT: 24 Ton
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Packaging: Jumbo Bag
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2Lians always for the purpose of satisfying customers on the criteria of sustainability and fairness through high work efficiency
PC from Baby Feeder 100% pure pc without any coating
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CATEGORY: PC
TYPE: Natural
SPECIFICATION: Separate 25 kg bag and Mark per month 78 mt 100% pure pc without any coating ,post Industrial materials
Origin: Bangladesh
LOADING WEIGHT: 24 Ton
FOB (USD/Ton): 1350$ - 1700$
Packaging: Jumbo Bag
Est. Shipping Time: 15, 30, 45 days
Our Commitment
We are committed to delivering in accordance with the quality given, source and licensed in the field of scrap transportation.
2Lians always for the purpose of satisfying customers on the criteria of sustainability and fairness through high work efficiency
3. When repairing or replacing the relay, first remove the national relay spring, and then pull out the relay. Do not use excessive force or shake left and right when pulling it out, as it may damage the relay or socket.
Faults and troubleshooting methods
1. The relay contact has no output
The analysis and elimination methods of the relay contact without output are as follows:
(1) Make sure that the relay and socket should be reliably plugged in;
(2) Check that the relay should not be mechanically blocked. If foreign matter in the relay blocks the armature, the armature cannot work reliably (forward rotation) or release (reverse rotation), and the contacts cannot be reliably contacted;
(3) Check that there should be no foreign matter between the contacts, there is foreign matter between the contacts, and the contacts cannot be reliably contacted;
(4) Check that the contact resistance of the relay contact should not be too large.
2. The relay does not work or the relay with a pole cannot be reversed in the forward direction
be reliably released.
The JC type AC relay is used as a buck-boost control relay, a signal switch track power supply supervisory relay, and a main screen and a backup screen conversion relay in the power supply screen. Can replace JZXC-20000 rectifier relay.
Features
1. The relay is an AC 220V heavy spring force electromagnetic relay with reinforced contacts.
2. The relay magnetic system is a clap-on AC magnetic system, which is composed of an iron core, a coil and an armature.
3. It adopts silver-silver oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance.
4. The contact system is composed of ordinary contacts. There are four groups of moving on and off conversion ordinary contacts and two groups of moving and closing ordinary contacts. The structure of the ordinary contacts is the same as that of a non-polar relay.
Applicable environment
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25C);
c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
JZXC-0.14 type rectifier relay is an important element in interlocking equipment, and is the main equipment to ensure the safe operation of the system. The signal relay can control the switching of the turnout, lock and unlock the way, and control the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operation services. The automatic control systems in various fields all use relays.
Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system.
Product Usage
The JZXC-0.14 type rectifier relay is used in the signal circuit for the filament supervision or conversion relay for the electric concentration of small stations and the local power supply in the automatic block section.
Features
1. The relay is a heavy elastic rectifier electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized.
The JZXC-20000 rectifier relay is used as a buck-boost control relay in the power supply screen; as a signal channel and track power supervision relay; and a conversion relay between the main screen and the backup screen.
Applicable environment
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25C);
c) Air pressure: not less than 70kPa (equivalent to below 3000m above sea level);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
Features
1. The relay is an AC 220V heavy elastic rectifier electromagnetic relay, which adopts the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized.
2. It adopts silver-silver oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance.
3. The magnetic circuit adopts electromagnetic pure iron material with small residual magnetism, and a stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the magnetization of the ferromagnetic parts of the magnetic circuit, and ensure the reliable fall of the relay.
4. The relay consists of two parts: a rectifier circuit and a non-polar relay. The rectifier circuit is a bridge rectifier circuit composed of four 1N4007 silicon rectifier diodes. The input of the rectifier is alternating current, and the rectified current output to the coil is direct current.
5. The relay contact system is composed of common contacts, with six groups of common contacts for switching on and off.
Mechanical properties
Number of contact groups: 6QH;
Identification pin number: 23, 55;
Contact gap: not less than 1.3mm;
Pallet gap: not less than 0.35mm;
Contact pressure: the dynamic contact point is not less than 250mN; the dynamic disconnection point is not less than 150mN;
Contact uniformity error: not more than 0.20mm.
Electrical characteristics
Rated value: AC220V Magnetizing value: AC220V Release value: not less than AC 35V Working value: not more than AC105V Coil resistance: 10000 (1±10%) Q2 coils in series, connect 1, 4, use 7, 8; time characteristics (At rated voltage): The pull-in time is not more than 01S, and the slow release time is not more than 0.15
JZXC-0.14 type rectifier relay is an important element in interlocking equipment, and is the main equipment to ensure the safe operation of the system. The signal relay can control the switching of the turnout, lock and unlock the way, and control the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operation services. The automatic control systems in various fields all use relays.
Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system.
Product Usage
The JZXC-0.14 type rectifier relay is used in the signal circuit for the filament supervision or conversion relay for the electric concentration of small stations and the local power supply in the automatic block section.
Features
1. The relay is a heavy elastic rectifier electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized.
2. It adopts silver-silver cadmium oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance.
3. The magnetic circuit adopts electromagnetic pure iron material with small residual magnetism, and a stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the magnetization of the ferromagnetic parts of the magnetic circuit, and ensure the reliable fall of the relay.
4. The relay is composed of a half-wave rectifier circuit and an infinite relay. The input of the rectifier is alternating current, and the output of the rectifier is ~ Darudapin current 1, current.
5. The relay contact system consists of common contacts, with four groups of common contacts for switching on and off.
Applicable environment
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25C);
c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
The JZXC-480 rectifier relay is an important component in the chain equipment and the main equipment to ensure the safe operation of the system. The signal relay can control the switching of the turnout, lock and unlock the route, and control the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operational services. The automatic control systems in various fields all use relays.
Product Usage
The JZXC-480 rectifier relay is used as an AC rail and AC accident relay in the signal circuit.
test method
Requirements for testing measuring tools, meters, and power supply
(1) The accuracy of the measuring tool for measuring the shape and installation dimensions should not be less than 0.05mm; the accuracy of the feeler gauge should not be less than level 2; the measurement error of the force measurement should not be greater than 2%.
(2) The accuracy of the DC voltmeter and ammeter used for testing should not be less than 0.5, and the accuracy of the AC (50Hz) voltmeter and ammeter should not be less than 1
(3) The power supply voltage should remain stable, and its fluctuation range should not exceed 5%. The DC power supply should be a DC generator, battery or AC full-wave rectifier power supply (except for special regulations, the ripple factor should not be greater than 5%). The waveform of the AC power supply should be a sine wave with a frequency of 50 Hz.
Features
The relay is composed of a DC infinite relay and a full-wave rectifier circuit.
Applicable environment
a) Ambient temperature: -40â??~+60â??;
b) Relative humidity: not more than 90% (temperature +25â??);
c) Air pressure: not less than 70kPa (equivalent to below 3000m above sea level);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
Dimensions
165mm 49mm 163mm (length width height)
Installation method
The relay socket is installed on the combination frame (cabinet) with bolts, and the relay is inserted into the socket horizontally and clamped with a hanging spring.
Relay identification pin numbers 13, 54.
Mechanical properties
Number of contact groups: 4QH; 2Q
Identification pin number: 13, 55;
Contact gap: not less than 1.3mm;
Pallet gap: not less than 0.35mm;
Contact pressure: the dynamic contact point is not less than 250mN; the dynamic disconnection point is not less than 150mN;
The JYJXC-135/220 type has a pole reinforced contact relay used as a switch control relay in a signal circuit.
Applicable environment
The applicable environment of the relay is:
a) Ambient temperature: -40~+60;
b) Relative humidity: not more than 90% (temperature +25C);
c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
Mechanical properties
Number of contact groups: 2DF, 2DFJ;
Identification pin number: 15, 54;
Contact gap: ordinary contact is not less than 4.5mm; reinforced contact is not less than 7mm;
Pallet gap: ordinary contact point is not less than 0.35mm;
Ordinary contact pressure: the positioning contact is not less than 150mN; the reverse contact is not less than 150mN;
Strengthen the contact pressure: the positioning contact is not less than 400mN; the reverse contact is not less than 400mN;
Contact uniformity error: between ordinary contacts and ordinary contacts, between ordinary contacts and reinforced contacts, no more than 0.2mm, between reinforced contacts and reinforced contacts, no more than 0.1mm.
Positioning or reverse position holding force is not less than 4N;
JZXC-16/16 is a dedicated multiplexer used to close and open the signal control circuit. It is an important part of railway signals. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system.
Product Features
The JZXC-16/16 (formerly known as JZXC-16F) rectifier relay has a high return coefficient, which is used to automatically block the signal lighting circuit of the interval and solve the problem of large leakage current in long-distance power supply cables and unreliable release of the filament supervision relay.
Features
1. The relay is a heavy elastic DC electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized.
2. It adopts silver-silver cadmium oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance.
3. The magnetic circuit adopts electromagnetic pure iron material with small residual magnetism, and a stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the magnetization of the ferromagnetic parts of the magnetic circuit, and ensure the reliable fall of the relay.
4. The front ring of the relay is a diode-enclosed short-circuit coil, without a rectifier unit, and the AC power supply is directly connected to the coil, which has a certain anti-lightning function.
5. The relay contact system consists of common contacts, with four groups of common contacts for switching on and off.
6. The relay should be used in conjunction with the isolation transformer to adjust the system current to ensure the reliable operation and release of the relay, and to ensure that the lamp terminal voltage meets the sp
The JZXC-H18F1 (formerly JJXC-H15) type rectifier slow release relay is used as a filament supervisory relay in the electric centralized lighting circuit.
Applicable environment
a) Ambient temperature: 40~+60;
b) Relative humidity: not more than 90% (temperature +25);
c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m);
d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm;
e) Working position: horizontal;
f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
Features
1. The relay is a heavy spring force DC electromagnetic relay, which uses the principle of constant gravity to force the moving and closing contacts to open when the coil is de-energized.
2. It adopts silver-silver oxidized vehicle contact, which has the characteristics of strong anti-adhesion and low contact resistance.
3. The magnetic circuit adopts electromagnetic pure iron material with small residual current, and a stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the ferromagnetic parts of the magnetic circuit from magnetization, and ensure the reliable fall of the relay.
4. The relay is a new product improved on the basis of the JJXC-15 filament relay. The relay has no rectifier unit, and the AC power supply is directly connected to the coil, which has a certain anti-lightning function. The wiring terminal of the relay is exactly the same as the JUXC-15 filament relay, so it is completely interchangeable, and there is no need to change the wiring on site.
5. The relay contact system consists of common contacts, with four groups of common contacts for switching on and off.
6. The relay should be used in conjunction with the isolation transformer to adjust the system current to ensure reliable operation and release of the relay, and to ensure that the lamp terminal voltage meets the specified adjustment range.
There are extremely strengthened contact relays: JYJXC-160/260
Product Usage
The JYJXC-160/260 type has pole reinforced contact relay is used as a two-start relay in the signal switch control circuit.
Mechanical properties
Number of contact groups: 2DF, 2DFJ;
Identification pin number: 15, 54;
Contact gap: ordinary contact is not less than 4.5mm; reinforced contact is not less than 7mm;
Pallet gap: ordinary contact point is not less than 0.35mm;
Ordinary contact pressure: the positioning contact is not less than 150mN; the reverse contact is not less than 150mN;
Strengthen the contact pressure: the positioning contact is not less than 400mN; the reverse contact is not less than 400mN;
Contact uniformity error: no more than 0.2mm between ordinary contacts and ordinary contacts and between ordinary contacts and reinforced contacts, and no greater than between reinforced contacts and reinforced contacts 0.1mm.
Positioning or reverse position holding force is not less than 4N;
Contact resistance: common contact is not more than 0.05; strengthened contact is not more than 0.1Q.
Product function
The signal relay is an important component in the interlocking equipment, and is the main equipment to ensure the safe operation of the system. The signal relay can control the switching of the turnout, lock and unlock the route, and control the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operational services.
Insulation withstand voltage
Under the standard atmospheric conditions of the test, the insulation resistance of the relay should not be less than 100MQ.
Under the condition that the air pressure is not less than 86kPa (equivalent to the altitude below 1000m), the insulation withstand voltage of the relay should be able to withstand AC sine wave 50Hz,
2000V rms voltage, there should be no breakdown flashover after 1 min, and the voltage during repeated test should be 75% of the original test voltage.
Product electrical life
The ordinary contact of the relay is connected to DC24V1A resistive load; the strengthened contact is connected to DC220V7.5A, 0.05H inductive load, and its electrical life is 1105 times.
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