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Power Low Frequency Transformer TNT Type Low Height EI48 Tow Section CE Approved

Excellent products, deliver goods in time every time! A professional team to support us, thanks a lot.

—— Mr Manoj Dhawan

They do some very difficult and large power transformers and chokes for us, very good quality and professional design team!

—— Mr Kfir Shimon

Greenfair can meet our production for quantity and quality, no matter in small order or big massive orders, it's happy to work with this team.

—— Mr Luis Fernando De

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Power Low Frequency Transformer TNT Type Low Height EI48 Tow Section CE Approved

China Power Low Frequency Transformer TNT Type Low Height EI48 Tow Section CE Approved supplier

Large Image :  Power Low Frequency Transformer TNT Type Low Height EI48 Tow Section CE Approved

Product Details:

Place of Origin: China
Brand Name: Greenfair
Certification: CE, UL, ISO9001
Model Number: EI57

Payment & Shipping Terms:

Minimum Order Quantity: 1000pcs
Packaging Details: carton box, plastic blister box
Payment Terms: T/T
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Detailed Product Description
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

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. 

 

Power Low Frequency Transformer TNT Type Low Height EI48 Tow Section CE Approved

 

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

 

Power Low Frequency Transformer TNT Type Low Height EI48 Tow Section CE Approved


 
 

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Contact Person: Sales Manager

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