1. Technical parameters.
Toroidal Transformer I
Power Thermal Fuse Current Fuse Dimension (mm) Approval Mark
GWB25VA 135 ºC 250V 2A 250V T 2A 80*35 CE UL TUV CQC
GWB30VA 135 ºC 250V 2A 250V T 2A 83*35 CE UL TUV CQC
GWB40VA 135 ºC 250V 2A 250V T 2A 87*35 CE UL TUV CQC
GWB50VA 135 ºC 250V 2A 250V T 2A 93*34 CE UL TUV CQC
GWB60VA 135 ºC 250V 2A 250V T 2A 93*35 CE UL TUV CQC
GWB80VA 135 ºC 250V 2A 250V T 2A 102*35 CE UL TUV CQC
GWB105VA 135 ºC 250V 2A 250V T 2A 114*38 CE UL TUV CQC
GWB120VA 135 ºC 250V 2A 250V T 2A 113*41 CE UL TUV CQC
GWB140VA 135 ºC 250V 2A 250V T 2A 114*42 CE UL TUV CQC
GWB150VA 135 ºC 250V 2A 250V T 2A 117*43 CE UL TUV CQC
GWB160VA 135 ºC 250V 5A 250V T 5A 120*43 CE UL TUV CQC
GWB180VA 135 ºC 250V 5A 250V T 5A 125*42 CE UL TUV CQC
GWB200VA 135 ºC 250V 5A 250V T 5A 124*49 CE UL TUV CQC
GWB220VA 135 ºC 250V 5A 250V T 5A 127*50 CE UL TUV CQC
GWB240VA 135 ºC 250V 5A 250V T 5A 129*48 CE UL TUV CQC
GWB250VA 135 ºC 250V 5A 250V T 5A 130*52 CE UL TUV CQC
GWB260VA 135 ºC 250V 5A 250V T 5A 130*53 CE UL TUV CQC
GWB280VA 135 ºC 250V 5A 250V T 5A 138*45 CE UL TUV CQC
GWB300VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB320VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB340VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB360VA 135 ºC 250V 5A 250V T 10A 142*55 CE UL TUV CQC
GWB380VA 135 ºC 250V 5A 250V T 10A 146*54 CE UL TUV CQC
GWB400VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC
GWB420VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC
GWB440VA 135 ºC 250V 5A 250V T 10A 148*60 CE UL TUV CQC
GWB460VA 135 ºC 250V 5A 250V T 10A 149*64 CE UL TUV CQC
GWB480VA 135 ºC 250V 5A 250V T 10A 153*59 CE UL TUV CQC
GWB500VA 135 ºC 250V 5A 250V T 10A 155*62 CE UL TUV CQC
2. We have attained 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 inductance test
8.DC resistance test
9.Surface inspection.
3.customized audio toroidal transformer and solar energy transformer Application:
220V 24V Toroidal Power Transformer
1). Application:
1. audio equipment
2. electric control
3. computer
4. solar device
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 industry
5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.
? Round shape with no air gaps ? Uniform primary and secondary windings locked in the magnetic field makes these transformers very quiet and efficient. ? Compact designing, efficiency, quiet and safer ? Smaller dimensions, lighter weight, and low stray magnetic fields We specialize in manufacturing of above products as per customer specifications. Carton in pallet
24v 12v Power Toroidal Transformer (Click here for Customized Design And Interactive Design Service) Single-phase toroidal transformers, power range from 20VA to 5000VA. Designed and tested according to EN61558. Suitable for installation in electronically equipment. Designed as a safety isolating transformer with separate insulated windings and prepared for class II equipment. Short circuit and overload protected with thermal fuse on primary side. Up to 50% less weight than a similar conventional transformer. Low magnetisation currents and no-load losses. Applications: Suitable as safety isolating transformer in constructions where low weight, flexible dimensions and optimum conditions between dimensions are preferable. Technical specifications Input voltage: Customized Frequency: 50-60Hz Output voltage: Customized According to: EN61558 Test/insulating voltage: 4kV AC RMS Construction class: II In carton
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toroidal transformer from 20va to 25KVA IN carton
Frequency: 50-60Hz Input voltage: AC100V/110/115V/120V/220V/230V/240V/380V+-10% Output voltage: MAX 380V +-2% Power: Ranging From 1VA to 100VA According to: EN61558 HI-POT test: 3750VAC RMS Insulation class: B(130C) Ambient temp.(ta) 40C Degree of protection IP00 Application: DVD player, multimedia audio system and TV set; 2. Small charger, mahjong machine, beauty salon equipment, instrument equipment; 3. Stage lighting equipment, lighting control circuit, automatic equipment control circuit, mechanical control circuit, energy-saving equipment control circuit and other small power supply.
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Model NO.: 50VA-5000VA GWB140321 Usage: Single-phase Transformer Frequency Characteristics: Power Frequency Shape of Core: Ring Brand: Grewin Toroidal Transformer Power: 50va-5000va: Universal Purpose Low No-Load Losses: Low Mechanical Hum Low Magnetic Leakage: High Efficiency Power Factor: 0.9 to 0.98: Encapsulated by Iron Shell: CE, RoHS, SGS, Cesi a Horizontal: Sunk, Side Type, and Bridge: Phase: Single Brand Name: Gw: Place of Origin: Tianjin, China (Mainland) Trademark: Grewin Toroidal Transformer Transport Package: Carton Specification: CE, RoHS, SGS, CESI and ISO9001 Origin: Tianjin HS Code: 85043190
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Buyer: Air compressors, automation equipment, bearings, cables, diesel engines and generators & machinery spare parts, filters, electrical equipment's, electric motors and gear motors, panel boards and & much more.