Shenzhen Greenfair Electronics Co., Limited
| Payment Terms | T/T |
| Packaging Details | carton box, plastic blister box |
| power supply phase | single phase |
| Input | 208V AC 50Hz 200mA |
| anti-moisture | open |
| varnish | vacuum varnish |
| winding | Two winding |
| lamination core | EI57 H50A 0.5T |
| bobbin | EI57 NY66 |
| Hi-pot | 3000V/50Hz/1mA/60S |
| Brand Name | Greenfair |
| Model Number | EI57 |
| Certification | CE, UL, ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Packaging Details | carton box, plastic blister box |
| power supply phase | single phase | Input | 208V AC 50Hz 200mA |
| anti-moisture | open | varnish | vacuum varnish |
| winding | Two winding | lamination core | EI57 H50A 0.5T |
| bobbin | EI57 NY66 | Hi-pot | 3000V/50Hz/1mA/60S |
| Brand Name | Greenfair | Model Number | EI57 |
| Certification | CE, UL, ISO9001 | Place of Origin | China |
| High Light | low current transformer ，low frequency current transformer | ||
Power transformer EI66 EI57 lead wire metal case easy mounting input 208V AC 50Hz single phase low frequency transformer
The products are mainly used in various types of Access Controller, Building Intercom, Safety& Security Power Supply, network, DVD, monitors, computer, communication products, lighting systems and instruments and other products.
Low frequency transformer is applicable to alternating voltage with input voltage of 100V-440V, working frequency of 50/60HZ and working enviroment temperature of -25℃ - 70℃ . The product specification is standardized, which is convenient for production.
| 2, ELECTRICAL CHARACTERSTIC: | ||||||||
| NO. | ITEM | MEASURED POINT | TECHNICAL DATA | REMARK | ||||
| 1 | INPUT VOLTAGE 1 | black----red | 208V AC 50Hz | |||||
| 2 | PRI EXCITING CURRENT 1 | black----red | 200mAMAX | NO ADD LOAD | ||||
| 3 | OUTPUT VOLTAGE 1 | white----yellow | 29V AC REF | NO ADD LOAD | ||||
| 4 | OUTPUT VOLTAGE 1 | white----yellow | 24V AC±5% | ADD LOAD 1.65A | ||||
| 5 | INPUT VOLTAGE 2 | black----yellow | 240V AC 50Hz | |||||
| 6 | PRI EXCITING CURRENT 2 | black----yellow | 200mAMAX | NO ADD LOAD | ||||
| 7 | OUTPUT VOLTAGE 2 | white----yellow | 29V AC REF | NO ADD LOAD | ||||
| 8 | OUTPUT VOLTAGE 2 | white----yellow | 24V AC±5% | ADD LOAD 1.65A | ||||
| 9 | HI-POT | PRI----SEC | 3KV AC | 5mA 60SEC | ||||
| COIL-CORE | 0.5KV AC | 5mA 60SEC |
||||||
The implementation of standards: GB19212.5-2006 "special requirements for general purpose isolation transformer".
GB19212.7-2006 "special requirements for safe isolation transformers for general use".
GB19212.18-2006 "special requirements for transformer for switch type power supply".
| 3, MATERIAL LIST: | ||||
| NO. | ITEM | MATERIALS | SUPPLIERS | REMARK |
| 1 | CORE | EI57 H50A 0.5T | DONG JUN OR EQUIVALENT | |
| 2 | BOBBIN | NY66 | E I DUPONT | E41938 |
| 3 | FRAME | COLD ROLLING STEEL | KANG LI | |
| 4 | WIRE | MW75C 2UEW 130℃ | DARTONG OR EQUIVALENT | E237377 |
| 5 | TAPE | CT-280 130℃ | YAHUA | E165111 |
| 6 | PVC WIRE | UL1015 22AWG 105℃ 600V WHITE/BLUE | WOER OR EQUIVALENT | E206145 |
| 7 | PVC WIRE | UL1007 22AWG 80℃ 300V RED/BLACK | DONG TIAN TONG LI | E254854 |
| 8 | VARNISH | 8562/A | HANG CHENG | E200154 |
It is recommended that the temperature of the part does not exceed +125°C under worst case conditions.
Storage Temperature: -40°C to 85°C
Operating Temperature: -40°C to 125°C
Test conditions of Electrical Properties: 20°C, 33% RH if not specified differently
We will feel appreciated if you can provide the parameters of the product or the photo of the item.
All products of the size,electrical performance can be designed
according to customer requirements in R&D.
Don’t hesitate to contact us if any interesting in our products.
greenfair-ele@greenfair-ele.com
cindy@greenfair-ele.com
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2006
Total Annual:
2000000-4000000
Employee Number:
100~400
Ecer Certification：
Active Member
Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application... Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application...
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