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1.We have abtained IEC,VDE,UL,CE,ISO9000 approval .we guarantee quality is the first.

2.waterproof Transformer's Dimension Sheet:

(Note:Rated 105VA-1000VA for devices 105VA-1000VA watts or less,

GWET-105 means 105VA size )

3.Waterproof outdoor toroidal Transformer's Spcification:

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
PRI.& SEC. WINDINGS'TEMPERATURE RISE 75ºCMAX.

4).MAJOR MEASUREMENT FACILITIES:
HI-POT TESTER: CJ2670
INSULATION-RESISTANCE METER: ZC-7
VOL TMETER: T19-V
DC-RESISTANCE METER: QJ44
AMPEREMETER: T19/1-A



5). MAIN PARAMETERS:
Input Voltage:AC 220V 230v 110v (Define the voltage)
Output voltage:AC 12V / 24V (Define the voltage)
Power range:105VA-1KVA



6) Waterproof toroidal Transformer's materials:

* Annular core: Cold rolling directional silicon steel
* 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

7)Standard conditions and components:

* 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:
Grewin Toroidal Waterproof Transformer with IEC

Garden light

LED underwater lamp
LED Ground light
Outdoor power Supply

Humidifier

Swimming pool

Round Enapsulated Transformer with wire leads ,power range: 25VA-6000VA

Waterproof Encapsulated transformer Application:

1. Garden light
2. LED underwater lamp
3.LED Ground light
4.Outdoor power Supply
5.Audio sound field
6.Stage lighting

7.Outdoor lighting

8.Christmas Lights