We have passed ISO9001:2015,CE,SGS approval and IEC report 1.Technical parameters Power Input Voltage(V) Output Voltage(V) Dimension OD*H(mm) Weight (kg) GWB50VA 220V (230V) 12V 80*38 0.74 GWB100VA 220V (230V) 12V 95*45 1.25 GWB200VA 220V (230V) 12V 112*52 2.05 GWB250VA 220V (230V) 12V 118*54 3.36 GWB500VA 220V (230V) 12V 140*65 4.2 GWB1000VA 220V (230V) 12V 170*75 7.2 GWB1500VA 220V (230V) 12V 180*85 9.75 GWB2000VA 220V (230V) 12V 185*105 12 GWB3000VA 220V (230V) 12V 200*120 16.6 GWB5000VA 220V (230V) 12V 230*135 24 2. We have abtained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first. Test process: 1). No-load test (included no-load voltage,no load current and no load loss) 2). IInductive voltage test 3). Load test (load voltage and temperature rise 4). Temperature rise test . 5). Insulated resistance 6).Hi-pot test 7).Leakage indutance test 8).DC resistance test 9).Surface inspection. 3.customized audio toroidal transformer and solar energy transformer Application: Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015 1). Application: 1. audio equipment 2. electric control 3. computer 4.instrument 5.telecommunications 6.high-end and middle-end vedio etc 2). Advantages: 1.High quality 100% copper core 2.a full range of toroidal transformer 3.Specially sales and technical services:5-10Years 4.With 14 years' producing history in transformer induatry 5.our company have cooperated with many customers around the world and gained good reputation at home and abroad. 3).Note The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard. 4).GREWIN'S Dimension : External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98% we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.) 4.product procedure The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets: Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015
Power distribution transformer is one of the important equipments in power supply and distribution system of industrial and mining enterprises and civil buildings. Classification: 1.Power transformers are classified by use: boost (power plant 6.3kv / 10.5kv or 10.5kv /110kV, etc.), contact (220kV/110kV or 110kV/ 10.5kv between substations), voltage reduction (distribution 35kV/ 0.4kv or 10.5kv / 0.4kv). 2.Power transformers are classified by phase number: single phase, three phase. 3.Power transformers are classified by insulation media: oil-immersed transformers (flame retardant, non-flame retardant), dry transformers, 110kVSF6 gas insulated transformers. url:http://www.ybtransformer.com
Flow: 20m3/h Head: 54m Power: 5.5kw Material: cast iron Medium: clean water Outlet dia: 60mm Diameter: 175mm Speed: 2850r/min Voltage: 380V Phase: 3 phase/50Hz Color: Blue QJ Submersible pumps Parameters: Flow range10~500m3/h, Lift scope within 5~405m; Caliber scope 32~203mm, Temperature range-15~80° C. Products Overview: QJ Series submersible pumps widely used in farmland irrigation, spray irrigation and water-use, industrial and civil buildings, also the drainage system to level hills, mountain diversion and in low-lying areas dunes, urban and rural mining supply, drainage and other water conservancy facilities. Characteristics are that they are assembled into a simple structure they have installation convenience a small footprint, simple maintenance and a safe reliable operation. Product use conditions: QJ Submersible pumps use conditions 1. 380 V bias voltage does not exceed + -5% and 50 HZ frequency, and the deviation is not more than + -1% of the three-phase power supply. 2. Electrical cavity must be filled with water. 3. The first-class pump impeller should at least go into the dynamic water level 2 m below surface. Static pump unit immersed under water shall not be greater than 70 m. 4. Electrical from the bottom of the bottom of the well shall be not less than 3 m. 5. The water temperature no higher than 20 ° C, QJR-temperature hot water pump up to 80 ° C. 6. Water and sand content (by mass) of not more than 0.01%. 7. Water PH 6.5-8.5. 8. The hydrogen sulfide in water content is not more than 1.5 mg / L. Application : deep well water farm irrigation sprinkling irrigation urban and rural industry mine supply and drainage.
Just the IPS machine we will deliver. If required, Battery also could be delivered with IPS machine. 16" X 16" X 7" for IPS
1, Input: 100 to 240V AC, 50/60Hz 2, Output power: 24W series 3, Output voltage: 3 to 24V DC 4, Output current: 10 to 4,000mA 5, Overload protection 6, Output over voltage protection 7, Short circuit protection 8, High efficiency Mini 75 % 9, DC socket (optional) 10, CEC power supply standard 11, CE approved 12, No Load Power Consumption ¡Ü 0.3 W at Rated Voltage 13, Ripple And Noise: Output voltage 1% 14, High-Voltage test : Primary to secondary: 3 kV 5 mA 60 S 15, Leakage Current : 0.5 mA (max) at input 240Vac 16, Operating Temperature Range 0--40¡æ 17, Storage Temperature Range: -20 --- 85¡æ 18, High Humidity Operation :+ 40 ¡æ and 90 ¡« 95% Humidity 19, Dimension : 74.0mm*41.0mm*47.5mm 20, Net weight: About 170 gram per unit. 21, Color : Black / White 22, The power adapter should have 50,000 hours according to MTBF. 23, Insulation Resistance:Primary to Secondary : 50 Meg. Ohms min. 500VDC. Customized.
Universal Input: 100~240VAC 50~60Hz Protections: Short circuit/ Overload/ Over temperature O/P: High accuracy, low noise; hold up time¡Ý20mS Cooling by free air convection; Auto recovery; Operation temperature: -40¡æ~+70¡æ; 100% full load burn-in test for 8 hours High Efficiency, high reliability; Built-in Class B EMI Filter Long life of 50,000Hours, 2 years warranty Compliance to EN61347-2-13 /IEC61347-2-13 /UL8750.
Input voltage: DC24/48/110V Output voltage options: DC5/12/24V Output Power: 50W Size: 61.00 x57.90 x 12.70mm / 2.40x2.28 x0.50 inch HDL series power range: 50-350W. Small size, half brick design Wide input voltage range Typical efficiency 90% Switching frequency: 300KHz Overcurrent /Short circuit protection, Self-furbish Input-output isolate Board in-line type installs Metal case, Low Output Ripple High power density.
Input voltage: DC 5/12/24/48V Output voltage options: DC5/9/12/15/24V Output Power: 2W WR power range: 1W-2W. Wide inputvoltage range; Isolation; Regulated output; 1W Isolation voltage: 1500VDC, 3000VDC Efficiency: 80% Working temperature: -40C~ +85C MTBF¡Y 10¡¨¢ 105Hrs In line with RoHS codes Line Regulation(once input change 1%) ¡¨¤0.2% Load regulation(10%-100% full load) ¡¨¤0.5% Ripple and noise (20MHz Band width)
Features: Low ripple and low noise High resolution and accuracy (0.1mV/0.01mA) Built-in high-accuracy 5 1/2 voltmeter and milliohmmeter Supporting high-accuracy and dynamic programming output High-luminance VFD screen with two lines& four channels display Intellegent fan system fan will be automatically initiated according to the temperature Supporting remote voltage compensation and multidata storage Supporting external trigger input and output Power-on-self-test, software calibration and standard rack mount Using standard SCPI protocol Communication mode: GPIB/RS232/RS485/USB M8813(0-150V/0-1A/150W)
Applicable: access control, electric lock Description: Power supply: AC85~264V/50HZ Output:DC5V DC9V DC12V DC24V (optional) Power:40W Efficient:80% Noise:
D2, JP54 and D6, sugar, water air cooler, exhaust fan.Trader
· Portable Power Supply: Build-in high capacity lithium-ion battery, off-grid power supply for camping or emergency backup, lamps, phones, laptops, TVs etc. · Versatile Outputs: Pure-sine wave inverter, Universal Sockets receptacles, DC ports , USB ports , Led flashlight, emergency power supply. · Rechargeable lithium Battery, No Gasoline Required: Recharge from included wall AC outlet, Car cigarette charger cable and solar panel. · On line UPS: Backup battery ups and surge protection for laptop, workstations, networking devices and home entertainment systems. · Safety Guarantee and Warranty: This product is certified by CE and RoHS. Over-charger Overload protection, environmental protection, energy saving and 18-month warranty.
Find professional manufacturers and suppliers of portable AC power supply in China here. Our factory offers portable AC power supply with competitive price.
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1. Full digital touch screen lcd and display (320x240 dots), simulation flowchart display. 2. Online double conversion design, dsp technology with perfect protection functionsand high reliability. 3. Flexible turn on power technology for different loads and systems, it can be operated by one set or (1 + 1) connected or (n + 1) and running. 4. High efficiency, the efficiency up to 95% when eco mode. 5. Short-circuit system through rigorous testing and 2kv high voltage insulative testing. 6. Isolation function by output transformer reduces harmonic by load currents and supply mains interference. 7. Dsp fully digital control technology, precise control, fast, reliable and stable. 8. 12-pulse rectifier with an optional increase the ups input power factor, effectively inhibited harmonic pollution. 9. Optional independent battery testing kits and it can be detected up to four groups of single battery operating parameters (up to 160), the wisdom battery management. 10. Intelligence monitoring system, provide rs232, rs422 dry switching contact ports, built-in modem interface, battery testing interface, optional internal snmp card and battery detection module. 11. The rated capacity respectively 10kva, 15kva, 20kva, 30kva, 40kva, 50kva, 60kva, 80kva, 100kva, 120kva, 140kva and 160kva, 200kva, 250kva, 300kva, eight units can be directly connected in parallel. Wooden-crate package
Dc12v/16.5a/18 ch Low cost, high reliability International ac input range (110v or 220v) High efficiency, low working temperature Soft-start circuit, limiting ac surge current Short circuit, over load and over voltage protection 100% full load burn-in test Built in emi filter, low ripple & noise Inner 1pc/1 box Outer as order
Model numberOutputTolRcnEffi S-50-55v, 0~10a¡¨¤ 2%75mv71% S-50-1212v, 0~4.2a¡¨¤ 1%100mv78% S-50-1515v, 0~3.4a¡¨¤ 1%100mv78% S-50-2424v, 0~2.1a¡¨¤ 1%100mv82% 30pcs/ ctn . G.W: 19kg 34*33*24