Escaplated Toroidal Waterproof Transformer for Pond LED Lighting and Audio Device

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Core: Core-type Transformer
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: GWB
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: Ring
• Color: Yellow and Black
• Size: Customized
• Power: 250va-500va
• 95% Efficiency: Power Factor: 0.9 to 0.98
• Feature: Waterproof
• Transport Package: Expoort Standard Carton with Srong Pallet
• Specification: Cuctomized
• Trademark: GW
• Origin: Tianjin China
• HS Code: 85043190
• Production Capacity: 50000 Pieces Per Month

Product Description

Basic Info

Application:	Power, Electronic, Instrument, Lighting, Rectifier, Audio
Phase:	Single
Core:	Core-type Transformer
Cooling Method:	Dry-type Transformer
Winding Type:	Auto-transformer
Certification:	ISO9001-2000, UL, ISO9001, CCC

Specification
Model NO.: GB1025
Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Power, Electronic, Audio, Instrument, Rectifier
Frequency Characteristics: Power Frequency
Shape of Core: Ring
Brand: Grewin Toroidal Transformer
Type: Toroidal Transformer
Input: 220-240VAC
Output: 220-240VAC
Power: 250va-500va
Frequency: 50Hz/60Hz
Model Number: 250va-500va
Coil Number: High Flux Density Grain- Oriented Silicon Steel
95% Efficiency: Power Factor: 0.9 to 0.98
Transformer: Converters Ring Transformer
Trademark: Grewin Toroidal Transformer
Transport Package: Expoort Standard Carton with Srong Pallet
Specification: CE, ROHS
Origin: Tianjin
HS Code: 85043190
 

Product Description

1.We have passed ISO9001:2015,CE,SGS approval and IEC report





2.Waterproof Transformer's Dimension Sheet:
(Note:Rated 105VA-1000VA for devices 105VA-1000VA watts or less,
GWET-105 means 105VA size )




 

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

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:


Garden light
LED underwater lamp
LED Ground light
Outdoor power Supply
Humidifier
Swimming pool

5.Advantages:
100% copper wire made
Toroidal style
Plastic cover :ABS fire Material of withstand high temperatures
Epoxy resin
High performance insulation
Anti-corrosion, waterproof performance

RELATED UNDERWATER TOROIDAL TRANSFORMERS:

A.Power range:10VA-25VA
PCB Encapsulated Transformer
B.Power range:10VA-6KVA
Center bolt EncapsulatedTransformer:

About us:

 1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". 

2.Flow chart of trading activities:

NO	Step	Days need
1	Request for quotation	1 day
2	Making quotations	1 day
3	Offer and counter offer	3 days
4	Sending and receiving samples	3-10 days
5	Sample confirmation	3 days
6	Placing a firm order	1 day
7	Paying and receiving the down payment	1-4 day
8	Factory production & Quality inspection	15-20 days
9	Paying and receiving the balance	4 days
10	Delivery of goods	1 days

Contact Information:       
Bella
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com
Tel:[phone]