Model NO.: 105va 150va 180va 200va 250va 300va 350va 400va
Usage: LED Underwater Lamp, LED Ground Light
Frequency Characteristics: Low Frequency
Shape of Core: Ring
Brand: Grewin Toroidal Transformer
100% Copper Wire Made: Toroidal Style
ABS Fire Material: Plastic Cover
High Performance Insulation: Epoxy Resin
Anti-Corrosion: Waterproof Performance
Outdoor Waterproof Transformer with Plug: Highly Energy Efficient Water-Safe Making
IP Rating: IP64 IP66 Rating for Outdoor Use
Application 1: LED Ground Light, Outdoor Power Supply
Application 2: Humidifier, Swimming Pool, Garden Light
Short-Circuit-Proof Safety: Isolating Transformer
Primary/Secondary Winding: Enamelled Copper Wire
Trademark: Grewin outdoor waterproof toroidal transformer
Transport Package: Export Standard Carton or Customize Strong Pallet
Specification: CE
Origin: China
HS Code: 85043190
Model NO.: 105va 150va 180va 200va 250va 300va 350va 400va
Usage: LED Underwater Lamp, LED Ground Light
Frequency Characteristics: Low Frequency
Shape of Core: Ring
Brand: Grewin Toroidal Transformer
100% Copper Wire Made: Toroidal Style
ABS Fire Material: Plastic Cover
High Performance Insulation: Epoxy Resin
Anti-Corrosion: Waterproof Performance
Outdoor Waterproof Transformer with Plug: Highly Energy Efficient Water-Safe Making
IP Rating: IP64 IP66 Rating for Outdoor Use
Application 1: LED Ground Light, Outdoor Power Supply
Application 2: Humidifier, Swimming Pool, Garden Light
Short-Circuit-Proof Safety: Isolating Transformer
Primary/Secondary Winding: Enamelled Copper Wire
Trademark: Grewin outdoor waterproof toroidal transformer
Transport Package: Export Standard Carton or Customize Strong Pallet
Specification: CE
Origin: China
HS Code: 85043190
Name :
 12v Lighting voltage Transformer for Swimming
Certification: Â
 1.We have abtained VDE,UL,CE,CB,ISO9001 approval .we guarantee quality is the first.

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(Note:Rated 105VA-1000VA for devices 105VA-1000VA watts or less,
GWET-105 means 105VA size )
Â
Waterproof Toroidal Transformer | ||||
Model | Power(va) | Input Voltage(v) | Output Voltage(v)/A | |
GWET-105 | 105VA | A | 220-240V 50-60HZ | 24V/4.38A |
B | 220-240V 50-60HZ | 12V/8.75A | ||
GWET-150 | 150VA | A | 220-240V 50-60HZ | 24V/6.25A |
B | 220-240V 50-60HZ | 12V/12.5A | ||
GWET-180 | 180VA | A | 220-240V 50-60HZ | 24V/7.5A |
B | 220-240V 50-60HZ | 12V/15A | ||
GWET-200 | 200VA | A | 220-240V 50-60HZ | 24V/8.33A |
B | 220-240V 50-60HZ | 12V/16.67A | ||
GWET-250 | 250VA | A | 220-240V 50-60HZ | 24V/10.42A |
B | 220-240V 50-60HZ | 12V/20.83A | ||
GWET-300 | 300VA | A | 220-240V 50-60HZ | 24V/12.5A |
B | 220-240V 50-60HZ | 12V/25A | ||
GWET-350 | 350VA | A | 220-240V 50-60HZ | 24V/14.58A |
B | 220-240V 50-60HZ | 12V/29.17A | ||
GWET-400 | 400VA | A | 220-240V 50-60HZ | 24V/16.67A |
B | 220-240V 50-60HZ | 12V/33.33A | ||
GWET-450 | 450VA | A | 220-240V 50-60HZ | 24V/18.75A |
B | 220-240V 50-60HZ | 12V/37.5A | ||
GWET-500 | 500VA | A | 220-240V 50-60HZ | 24V/20.83A |
B | 220-240V 50-60HZ | 12V/41.67A | ||
GWET-600 | 600VA | A | 220-240V 50-60HZ | 24V/25A |
B | 220-240V 50-60HZ | 12V/50A | ||
GWET-800 | 800VA | A | 220-240V 50-60HZ | 24V/33.33A |
B | 220-240V 50-60HZ | 12V/66.67A | ||
GWET-1000 | 1000VA | A | 220-240V 50-60HZ | 24V/41.67A |
B | 220-240V 50-60HZ | 12V/83.3A |
1).WORKING AND SAFETY PROTEETION
  Eiectrostatic Shield          Magnetic Shield
√ TemperatureProtection    OverCurrent Protection
2).INSULATION
Insulation resistance test(type test):Pri.~sec. 500V DC 100 MΩMIN.
HI-POT TEST(100% test):Pass ourdielectric strength test, without any breakdown
Pri.~sec. AC 3.8kV for 5 seconds (leakage current 5mAMAX)
3).TEMPERATURE RISE
Ta=25ºCTest by resistance method At rated load Â
PRI.& SEC. WINDINGS'TEMPERATURE RISE 75ºCMAX.
4).MAJOR MEASUREMENT FACILITIES:Â
HI-POT TESTER: CJ2670
INSULATION-RESISTANCE METER: ZC-7
VOL TMETER: T19-V
DC-RESISTANCE METER: QJ44
AMPEREMETER: T19/1-A
Â
5). MAIN PARAMETERS:
Input Voltage:AC 220VÂ Â 230v 110v (Define the voltage)Â
Output voltage:AC 12V / 24VÂ Â Â Â Â Â (Define the voltage)
Power range:105VA-1KVAÂ
Â
6) Waterproof toroidal Transformer's materials:
* Annular core: Cold rolling directional silicon steelÂ
* Insulation protection: Mylar
* Core Insulation: Polyester 7C
* Primary/Secondary Winding: Enamelled copper wire
* Terminal cannula: PVC canula
* Termial uderlay: Polyester 19C
* Temperature Protection: Thermal Switch
* Pri.Insulation: Polyester 7C
* Insulation protection: Mylar
* Coating insulation: Polyester 5C
* Lead: UL WIRE
* Potted resin: Potted resin
* Body: PP+GFRP
Â
7)Standard conditions and components:
Â
* Transformer should meet "Short-circuit-proof safety isolating transformer (inherently
or non-inherently) IEC 61558-2-6:09"
* Thermal Switch 17AM 211 120°C Sensata Technologies or equivalent (UL E15962)
* Thermal Fuse A7-5A-F 5A/138°C Aupo Electronics or equivalent (UL E140847)
* Transformer is double insulated (Class II) with Insulation Class B 120°C
* Insulation tests 500VDC 100M ohm min and 4kV for 5 seconds at 5mA max leakage current
4.Application:
Garden lightÂ
LED underwater lampÂ
LED Ground light
Outdoor power Supply
Humidifier
Swimming pool
Â
5.Advantages:
100% copper wire made
Toroidal style
plastic cover :ABS fire Material of withstand high temperaturesÂ
Epoxy resinÂ
high performance insulationÂ
Anti-corrosion, waterproof performance
RELATED UNDERWATER TOROIDAL TRANSFORMERS:
a. Power range:10VA-25VA
  PCB Encapsulated Transformer
b. Power range:10VA-6KVA Â Â Â
  Center bolt EncapsulatedTransformer:
Â

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Contact Information:  Alice                           Tianjin Grewin Technology Co.,Ltd. Tel:86-22-84943756 Website: http://www.grewin-tech.com  |
Name :
 12v Lighting voltage Transformer for Swimming
Certification: Â
 1.We have abtained VDE,UL,CE,CB,ISO9001 approval .we guarantee quality is the first.




(Note:Rated 105VA-1000VA for devices 105VA-1000VA watts or less,
GWET-105 means 105VA size )
Â
Waterproof Toroidal Transformer | ||||
Model | Power(va) | Input Voltage(v) | Output Voltage(v)/A | |
GWET-105 | 105VA | A | 220-240V 50-60HZ | 24V/4.38A |
B | 220-240V 50-60HZ | 12V/8.75A | ||
GWET-150 | 150VA | A | 220-240V 50-60HZ | 24V/6.25A |
B | 220-240V 50-60HZ | 12V/12.5A | ||
GWET-180 | 180VA | A | 220-240V 50-60HZ | 24V/7.5A |
B | 220-240V 50-60HZ | 12V/15A | ||
GWET-200 | 200VA | A | 220-240V 50-60HZ | 24V/8.33A |
B | 220-240V 50-60HZ | 12V/16.67A | ||
GWET-250 | 250VA | A | 220-240V 50-60HZ | 24V/10.42A |
B | 220-240V 50-60HZ | 12V/20.83A | ||
GWET-300 | 300VA | A | 220-240V 50-60HZ | 24V/12.5A |
B | 220-240V 50-60HZ | 12V/25A | ||
GWET-350 | 350VA | A | 220-240V 50-60HZ | 24V/14.58A |
B | 220-240V 50-60HZ | 12V/29.17A | ||
GWET-400 | 400VA | A | 220-240V 50-60HZ | 24V/16.67A |
B | 220-240V 50-60HZ | 12V/33.33A | ||
GWET-450 | 450VA | A | 220-240V 50-60HZ | 24V/18.75A |
B | 220-240V 50-60HZ | 12V/37.5A | ||
GWET-500 | 500VA | A | 220-240V 50-60HZ | 24V/20.83A |
B | 220-240V 50-60HZ | 12V/41.67A | ||
GWET-600 | 600VA | A | 220-240V 50-60HZ | 24V/25A |
B | 220-240V 50-60HZ | 12V/50A | ||
GWET-800 | 800VA | A | 220-240V 50-60HZ | 24V/33.33A |
B | 220-240V 50-60HZ | 12V/66.67A | ||
GWET-1000 | 1000VA | A | 220-240V 50-60HZ | 24V/41.67A |
B | 220-240V 50-60HZ | 12V/83.3A |
1).WORKING AND SAFETY PROTEETION
  Eiectrostatic Shield          Magnetic Shield
√ TemperatureProtection    OverCurrent Protection
2).INSULATION
Insulation resistance test(type test):Pri.~sec. 500V DC 100 MΩMIN.
HI-POT TEST(100% test):Pass ourdielectric strength test, without any breakdown
Pri.~sec. AC 3.8kV for 5 seconds (leakage current 5mAMAX)
3).TEMPERATURE RISE
Ta=25ºCTest by resistance method At rated load Â
PRI.& SEC. WINDINGS'TEMPERATURE RISE 75ºCMAX.
4).MAJOR MEASUREMENT FACILITIES:Â
HI-POT TESTER: CJ2670
INSULATION-RESISTANCE METER: ZC-7
VOL TMETER: T19-V
DC-RESISTANCE METER: QJ44
AMPEREMETER: T19/1-A
Â
5). MAIN PARAMETERS:
Input Voltage:AC 220VÂ Â 230v 110v (Define the voltage)Â
Output voltage:AC 12V / 24VÂ Â Â Â Â Â (Define the voltage)
Power range:105VA-1KVAÂ
Â
6) Waterproof toroidal Transformer's materials:
* Annular core: Cold rolling directional silicon steelÂ
* Insulation protection: Mylar
* Core Insulation: Polyester 7C
* Primary/Secondary Winding: Enamelled copper wire
* Terminal cannula: PVC canula
* Termial uderlay: Polyester 19C
* Temperature Protection: Thermal Switch
* Pri.Insulation: Polyester 7C
* Insulation protection: Mylar
* Coating insulation: Polyester 5C
* Lead: UL WIRE
* Potted resin: Potted resin
* Body: PP+GFRP
Â
7)Standard conditions and components:
Â
* Transformer should meet "Short-circuit-proof safety isolating transformer (inherently
or non-inherently) IEC 61558-2-6:09"
* Thermal Switch 17AM 211 120°C Sensata Technologies or equivalent (UL E15962)
* Thermal Fuse A7-5A-F 5A/138°C Aupo Electronics or equivalent (UL E140847)
* Transformer is double insulated (Class II) with Insulation Class B 120°C
* Insulation tests 500VDC 100M ohm min and 4kV for 5 seconds at 5mA max leakage current
4.Application:
Garden lightÂ
LED underwater lampÂ
LED Ground light
Outdoor power Supply
Humidifier
Swimming pool
Â
5.Advantages:
100% copper wire made
Toroidal style
plastic cover :ABS fire Material of withstand high temperaturesÂ
Epoxy resinÂ
high performance insulationÂ
Anti-corrosion, waterproof performance
RELATED UNDERWATER TOROIDAL TRANSFORMERS:
a. Power range:10VA-25VA
  PCB Encapsulated Transformer
b. Power range:10VA-6KVA Â Â Â
  Center bolt EncapsulatedTransformer:
Â

Â
Contact Information:  Alice                           Tianjin Grewin Technology Co.,Ltd. Tel:86-22-84943756 Website: http://www.grewin-tech.com  |
Round Panel Light,Led Flat Panel Light,Ceiling Panel Light,Ceiling Light
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