Customized Toroidal Transformer 230V 33V Step Down Low Frequency Transformer 50Hz 60Hz

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, UPS
• Phase: Single
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC
• Model NO.: OKDT140VA
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: Ring
• Brand: Okerda
• Transformer Type: Toroidal Transformer
• Transformer for Equipment: Low Rise High Efficiency
• Transformer Specification: 12V 15V 24V 220V 230V 240V
• Isolating Transformer: Waterproof Transformer
• Transformer Class: High Quality Transformer
• Application-: Specific Needs
• Transport Package: Plywood Cases and Pallets
• Specification: 15VA-4000VA
• Trademark: OEM
• Origin: China
• HS Code: 8504319000
• Production Capacity: 1000000PCS/Month

Product Description

Customized Toroidal Transformer 230V 33V Step Down Low frequency Transformer 50Hz 60Hz

Features: 
1) Input: customized
2) Output: customized
3) Power: Custom designed 

4) Frequency: 50Hz/60Hz

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

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

Power Range: 15VA-4000VA

Input/Output: Customized

Insulation Class: Class E,B,F,H(Optional)

Isolation: 3.75KV(HI-pot)

OKD offers a variety of Audio application Toroidal transformers for specific needs.
All are constructed to meet low mechanical noise and low stray field noise.

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. 



WORKSHOP

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 Standard
4. OEM & ODM
5. Competitive price,in time delivery and perfect after-service online.

FAQ

Q1. Are you professional supplier in China?
  Yes, we have over 20 years experience in supplying transformers and inductors.

Q2. What is your MOQ?
  Our usual MOQ is 1000pcs.

Q3. Can I place a sample order?
  Yes, please kindly contact us for more details.

Q4. What's the delivery time for samples?
  Usually 5 - 10 working days.

Q5. What's the lead time for mass production?
  Normally 15-30 working days, based on your order quantity.

Q6. What's the payment term?
  We accept T/T, L/C, Western Union and Paypal etc.

Q7. Can you make customized products?
  Yes, of course. We will do as per customer's design.

Q8. Is OEM accepted?
  Yes, welcome OEM project. 

Q9. Is it ok to print my logo on the label? 
  No problem, we can make it as per your requirements.  

Q10. Can your factory print our brand on the product?
  Yes, we can add customer's logo/brand on the product with the authorization from customers.