Auto Transformer Toroidal for Flip Open Door

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, UPS
• Phase: Single
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC
• Model NO.: Ring/Toroidal
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer, UPS Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: Ring
• Brand: Okerda
• Feature: Low Rise High Efficiency
• Type: Toroidal Transformer
• Voltage: 12V 15V 24V 220V 230V or Cutomized
• Frequency: 50/60Hz
• Advantage: Provide OEM
• Transport Package: Carton on Pallet
• Specification: core and copper
• Trademark: OEM
• Origin: China
• HS Code: 8504319000
• Production Capacity: 1000000PCS/Month

Product Description

Auto Transformer Toroidal for Flip Open Door

Features: 
1) Input: Custom designed
2) Output: Customized
3) Power: 120VA-7500VA 

4) Frequency: 50Hz/60Hz

5) Low no-load losses
6) Low mechanical hum
7) Low magnetic leakage
8) High efficiency

Application:
1. Electric control
2. Audio equipment
3. UPS
4. Computer
5. Solar device
6. Telecommunications
7. High-end and middle-end video etc.

Technical parameters

Rated Power(VA)	Outside Dimension DxH(mm)	Weight(Kg)	Temp Rise(ºC)	Approval
OKD-120	120x50	2.15	54	UL/CE/RoHS/CQC
OKD-250	120x65	2.45	54	UL/CE/RoHS/CQC
OKD-400	140x65	3.75	55	UL/CE/RoHS/CQC
OKD-600	155x78	5.25	55	UL/CE/RoHS/CQC
OKD-850	170x82	6.85	58	UL/CE/RoHS/CQC
OKD-1000	175x85	8.46	58	UL/CE/RoHS/CQC
OKD-1500	208x110	11.80	60	UL/CE/RoHS/CQC
OKD-2000	208x130	15.50	62	UL/CE/RoHS/CQC
OKD-3000	245x140	19.80	64	UL/CE/RoHS/CQC
OKD-5000	270x152	31.20	65	UL/CE/RoHS/CQC
OKD-7500	300x155	49.40	65	UL/CE/RoHS/CQC

Testing Process 
1. No-load test (included no-load voltage, no load current and no load loss);
2. Inductive voltage test;
3. Load test (load voltage and temperature rise;
4. Temperature rise test;
5. Insulated resistance;
6. Hi-pot test;
7. Leakage inductance test;
8. DC resistance test;
9. Surface inspection.
 

WINDING PROCESS


Production Line




Our Advantages:
1. 20 years experience in transformer and inductor manufacturing;
2. Scientific management system, strong technical team, and strict quality control system;
3. RoHS,CE,TUV and UL certified;
4. OEM & ODM;
5. Competitive price,in time delivery and perfect after-service online.