Toroidal Winding Annular Transformer for Industrial Control

• 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.: OKDT30VA-2800VA
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer, UPS Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: Ring
• Brand: Okerda
• Transformer Name: Step Down Transformer
• Transformer Type: Toroidal/Ring Transformer
• Transformer Specification: 12V 15V 24V 220V 230V
• Isolating Transformer: Waterproof Transformer
• Transformer Quality: High Quality Transformer
• Input: Custom Design
• Output: Custom Design
• Transport Package: Carton on Pallet
• Specification: 30VA-2800VA
• Trademark: OEM
• Origin: China
• HS Code: 8504319000
• Production Capacity: 500000PCS/Month

Product Description

Toroidal winding annular Transformer for Industrial Control
 

Specification:

Power range:	30VA-2800VA
Standard:	CE UL RoHS
Input/ Output:	Customized
Insulation:	Class E.B.F,H(Optional)
Isolation:	3.75KV(Hi-pot)
Fire Rating	UL94V-0
Operating Temprature:	25-40ºC
Terminal:	Optional
Accessories:	Screw 1 set, Metal Plate 1 pc, Rubber Pad 2 pcs
Material	Iron Core + Insulating film + Enameled Copper Wire

OKD Toroidal Transformer for Industrial Control is high reliability, high efficiency and good insulation
between primary and seconday.

Parameter

Rated Power (VA)	Frequency (Hz)	Outside Dimension DxH (mm)	Weight (Kg)	Temp Rise (ºC)	Approval
30	50/60	80x30	0.52	32	UL/CE/RoHS/CQC
50	50/60	80x35	0.71	45	UL/CE/RoHS/CQC
120	50/60	88x42	1.28	51	UL/CE/RoHS/CQC
160	50/60	105x48	1.78	55	UL/CE/RoHS/CQC
250	50/60	118x53	2.32	55	UL/CE/RoHS/CQC
500	50/60	140x68	4.0	58	UL/CE/RoHS/CQC
1000	50/60	170x78	7.5	60	UL/CE/RoHS/CQC
2800	50/60	195x120	14.8	65	UL/CE/RoHS/CQC

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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.

 

Producting 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.

Packing&shipping