Shenzhen Greenfair Electronics Co., Limited
Shenzhen Greenfair Electronics Co., Limited
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Power transformer EI48 EI57 flywire easy mounting 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 | EI48 H50A 0.5T | DONG JUN OR EQUIVALENT | |||||
| 2 | BOBBIN | NY66 | E I DUPONT | E41938 | ||||
| 3 | WIRE | MW79C 2UEWF/PEW 155℃ | JIANGSU DARTONG QING JIANG M &E CO LTD OR EQUIVALENT | E237377 | ||||
| 4 | TAPE | CT-280 130℃ | YAHUA | E165111 | ||||
| 5 | PVC WIRE | UL1015 18AWG 105℃ 600V RED/BLACK/YELLOW/WHITE | WOER OR EQUIVALENT | E104496 | ||||
| 6 | FUSE | 250V 2A 115℃ | AUPO | E140847 | ||||
| 7 | VARNISH | 8562/A | HANG CHENG | E200154 | ||||
General information:
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