120V 240V Ring Core Toroidal Coil Step up Down Transformer

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Model NO.: Ring type
• 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: OEM
• Transformer Type: Toroidal Transformer Ring Type
• Transformer for Equipment: Low Rise High Efficiency Toroidal Transformer
• Transformer Specification: 12V 15V 24V 220V 230V 240V
• Isolating Transformer: Waterproof Transformer
• Transformer Class: High Quality Transformer
• Main Application: Toroidal Step Down Transformer for UPS
• Transport Package: Carton on Pallet
• Specification: core and copper
• Trademark: Okerda toroidal transformer
• Origin: China
• HS Code: 8504319000
• Production Capacity: 200000PCS/Month

Product Description

Ring core toroidal Coil step up down transformer
 

Features: 
1) Input: 120V/140V
2) Frequency: 50Hz/60Hz

3) High efficiency Lighting Range

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

Applications: 
1. Used for UPS; 
2. Inverter Welding Machine; 
3. High Power Charger Power Supply; 
4. Electric Vehicle Charging Equipment; 
5. High efficiency Power Supply; 
6. Switching Power Supply; 
7. LED Power Supply. 

PARAMETER

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

 

Winding Process


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. 

Factory production 

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.