Name :

220v 24v 500va  toroidal waterproof transformer with  constant voltage

Certification:  

1.We have abtained VDE,UL,CE,ROHS,ISO9000 Approal and SGS Audit Supplier in China,

We guarantee quality is the first:



220v 36v  24v toroidal transformer winding machine for underwater LED; 105VA  350va 700VA  ac plug toroidal transformer for swimming pool; 105VA  350va 700VA  ac plug toroidal transformer for swimming pool

waterproof Transformer's Dimension Sheet:

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

GWET-105 means 105VA size )

Waterproof 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=25℃Test by resistance method At rated load  
PRI.& SEC. WINDINGS'TEMPERATURE RISE 75℃MAX.

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

contact: salesmanager(at)