Certification:
Grewin Toroidal Waterproof Transformer with IEC
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:
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Annular core: Cold rolling directional silicon steel
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Insulation protection: Mylar
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Core Insulation: Polyester 7C
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Primary/Secondary Winding: Enamelled copper wire
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Terminal cannula: PVC canula
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Termial uderlay: Polyester 19C
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Temperature Protection: Thermal Switch
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Pri.Insulation: Polyester 7C
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Insulation protection: Mylar
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Coating insulation: Polyester 5C
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Lead: UL WIRE
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Potted resin: Potted resin
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Body: PP+GFRP
7)Standard conditions and components:
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Transformer should meet "Short-circuit-proof safety isolating transformer (inherently
or non-inherently) IEC 61558-2-6:09"
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Thermal Switch 17AM 211 120°C Sensata Technologies or equivalent (UL E15962)
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Thermal Fuse A7-5A-F 5A/138°C Aupo Electronics or equivalent (UL E140847)
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Transformer is double insulated (Class II) with Insulation Class B 120°C
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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:
- Garden light
- LED underwater lamp
3.LED Ground light
4.Outdoor power Supply
5.Audio sound field
6.Stage lighting
7.Outdoor lighting
8.Christmas Lights
Contact Information:
Amy
Tianjin Grewin Technology Co.,Ltd.
Tel:86-22-84943756
