Electrical Supplies Suppliers and Manufacturers

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

For further details, please, contact us by e-mail. For further details, please, contact us by e-mail.

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.

High Voltage Oip Condenser Bushings, Lv High Current Bushings And High Voltage Rip & Ris Condenser Bushings.

Rice, spices, pulses, coir pith, cashew nuts, almonds, automobile parts ,containers refrigerated, insulated, etc.

Air purifier, medical items like beds, respirators, syringe, gloves, face mask 3ply, hospital furniture, nitrile gloves, security items.Broker, intermediary

Timber wood logs, oxygen flow meter, oxygen concentrators.

Just the IPS machine we will deliver. If required, Battery also could be delivered with IPS machine. 16" X 16" X 7" for IPS

Product Name: Energy Storage Power Supply Model No.: JL-PS300 Capacity: 11.1V / 30AH / 300Wh Cell Type: 18650 Lithium Ion Battery Material: ABS + PC Time of charging: AC input @ 6.5H; solar input @ 3 sunny days Time of shelving: 1 year ( Pls make sure 60% up power in battery before shelving ) Product Size: 290x198x144mm Weight: 5kg

Product Name: Energy Storage Power Supply Model No.: JL-PS100 Capacity: 12000mAh/10.8V 130Wh Cell Type:18650 Lithium Ion Battery Material: ABS + PC Input: DC:12.6V/2AMax (By wall socket) 12.6V-24V/2A (solar panel) Output: DC:9V-12.6V/2A, AC: 220V/50HZ (Modified sine wave), USB-A: 5V/2.0A Product Size: 204x90x160.7mm Weight: 1.5kg Flashlight/5W Mode: High Light/Soft Light Flashlight/1.5W Mode: High Light/Soft Light

Mfrs of Led Driver Led Controller SMPS Power Supplies for CCTV Camera Security Systems Switching Power Supplie Battery Charger DCDC Converter Transformer Medical Power Supply Switching AdaptorsSolar Products E Bike Charger Lithium Charger Car Inverter UPS & Inverter Cvt

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.