Toroidal Power Supply Inverter Transformer

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, ISO9001, CCC
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: Ring
• Brand: Okerda
• Name: Step Down Transformer
• Type: Toroidal Power Transformer
• Input/Output: Custom Designed
• Feature: OEM Transformer
• Advantage: Quick Delivery
• Transport Package: Carton/Wooden Case/Pallet
• Specification: 2000VA
• Trademark: OEM
• Origin: China
• HS Code: 8504319000
• Production Capacity: 500000PCS/Month

Product Description

OKERDA Toroidal Transformer

Applications:

1. Toroidal power transformer for pure sine wave inverter.

2. Toroidal power transformer for audio amplifiers.

3. Toroidal power transformer for solar inverter.

4. Toroidal power transformer for audio and video product.

5. Toroidal power transformer for UPS etc.

Technical parameters 

Model Number	Power(VA)	Adjusting Rate(%)	Efficiency(%)	Exterior Dimension(mm)		Weight(kg)	Installing Aperture(mm)	Screw(mm)
				Height(A)	Exterior(B)
OKD-15	15	20	73	25	65	0.38	Φ6.5	M6
OKD-30	30	16.5	76.6	30	78	0.6	Φ6.5	M6
OKD-50	50	15.2	82.4	35	82	0.85	Φ6.5	M6
OKD-80	80	12.6	84.7	38	88	1.1	Φ6.5	M6
OKD-100	100	11.2	86.5	45	93	1.5	Φ8.5	M8
OKD-120	120	9.6	88	42	115	1.6	Φ8.5	M8
OKD-150	150	7.2	88.1	47	103	1.9	Φ8.5	M8
OKD-160	160	6.6	88.6	42	118	2.1	Φ8.5	M8
OKD-200	200	6.1	89.7	48	120	2.4	Φ8.5	M8
OKD-250	250	5.5	90.3	50	127	2.9	Φ8.5	M8
OKD-300	300	5.2	91.7	55	127	3.2	Φ8.5	M8
OKD-400	400	4.6	93	56	146	4.5	Φ8.5	M8
OKD-500	500	4.0	94	57	147	5.0	Φ8.5	M8
OKD-600	600	4.1	95	72	155	6.7	Φ8.5	M8
OKD-700	700	3.8	95	82	162	8.9	Φ8.5	M8
OKD-800	800	3.8	95.1	72	170	8.2	Φ8.5	M8
OKD-1000	1000	3.3	95	83	163	9.5	Φ10.5	M10
OKD-1200	1200	2.9	96.2	85	165	11.00	Φ10.5	M10
OKD-1500	1500	2.9	96	90	170	13.00	Φ10.5	M10
OKD-2000	2000	2.8	96	105	180	15.6	Φ10.5	M10
OKD-3000	3000	2.5	97	110	210	22.3	Φ10.5	M10
OKD-3500	3500	2.4	97	115	245	25.2	Φ13.5	M13
OKD-4000	4000	2.3	97	130	260	31.5	Φ13.5	M13

Features:                                                                  
1) Power: 15VA to 4, 000VA                                     
2) Frequency: 50HZ / 60HZ                                       
3) Universal purpose                                                 
4) Low no-load losses                                               
5) Low mechanical hum                                           
6) Low magnetic leakage                                           
7) High efficiency   

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.

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