Powered by Made-in-China.com

Toroidal Step Down Power Transformer for Switching Power Supply
US$5.00-20.00
500 Pieces
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, Rectifier, Audio, UPSPhase
SingleModel NO.
OKD15va-4000vaCore
Core-type TransformerCooling Method
Dry-type TransformerWinding Type
Auto-transformerCertification
ISO9001-2000, ISO9001, CCCUsage
Single-phase Transformer, Rectifier Transformer, Power TransformerFrequency Characteristics
Low FrequencyShape of Core
RingBrand
Okerda TransformerTransformer Type
Toroidal Transformer Ring TypeTransformer for Equipment
Low Rise High Efficiency Toroidal TransformerTransformer Voltage
12V 15V 24V 220V 230V 240VIsolating Transformer
Waterproof TransformerTransformer Class
High Quality TransformerTransport Package
Export Standard Carton and Strong PalletSpecification
15va-4000vaTrademark
OEMOrigin
ChinaHS Code
8504319000Production Capacity
500000PCS/MonthKey features
20 Years Manufacturing Experience: Over two decades of expertise in transformer and inductor production.
Wide Power Range: Available from 15VA to 4000VA to suit various power needs.
High Efficiency: Efficiency reaches up to 97% with low no-load losses.
Multiple Certifications: Certified by ISO9001, CCC, UL, RoHS, CE, and TUV.
Low Noise Design: Features low mechanical hum and low magnetic leakage.
OEM & ODM Services: Full customization available from samples, designs, or minor adjustments.
Universal Application: Suitable for power supply, UPS, inverters, EV charging, and switching power supplies.
Strict Quality Control: 100% visual and functional inspection for all finished products.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2005-12-02Nearest Port: SHENZHEN, Guangzhou, ShanghaiAverage Response Time: ≤2.78h
AI-Powered supplier vetting
SummaryShenzhen Okerda Technology Co., Ltd. is identified as both a trading company and manufacturer/factory in Shenzhen, China, supplying electronic components including transformers, inductors, power supplies, Litz wire, motors, UPS products, adapters, and chargers. It reports more than 10 production lines, exports to a broad range of global markets, and has exported since 2005, with exports representing 71%–90% of total sales. ISO 9001 and ISO 14001 certifications are stated, while the company background also references ISO 45001. The supplier states that OEM orders are welcome and describes custom production of transformers and inductors. However, many operational, service, traceability, audit-result, and customer-reference fields are marked unknown, limiting verification of several capabilities.
Supplier typeThe supplier is described as a trading company in its company profile and as both a trading company and manufacturer/factory in its entity classification. Its Shenzhen address and stated manufacturing activities support a mixed trading-and-manufacturing profile.
CertificationsISO 9001 and ISO 14001 are explicitly listed, and the company background additionally states ISO 45001 certification. An SGS audit is recorded with a validity period from April 8, 2025 to April 7, 2026, but the audit evaluation result is coded as “0,” so the detailed audit outcome cannot be interpreted from the provided data.
Production capacityThe supplier reports more than 10 production lines, off-peak lead times within 15 working days, and peak-season fulfillment within one month. Its classification as both trading company and manufacturer/factory supports production involvement, although actual capacity and output figures are not independently verified here.
Customization capabilityThe company states that it offers custom production of transformers and inductors and welcomes OEM orders. This is direct evidence of customization and OEM willingness for at least these product categories.
Product Q&A
Q:What is the power range of this transformer?
A:
The power range spans from 15VA to 4000VA.
Q:Is this transformer customizable?
A:
Yes, we offer full customization, minor customization, and options based on samples or designs.
Q:What certifications does the product have?
A:
It holds ISO9001, CCC, UL, RoHS, CE, and TUV certifications.
Q:What is the efficiency of the transformer?
A:
Efficiency ranges from 73% to 97% depending on the model.
Q:What are the lead times for production?
A:
Peak season lead time is one month, while off-season is within 15 workdays.
Send Inquiry
*To:
Shenzhen Okerda Technology Co., Ltd.
Shenzhen Okerda Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Three Phase 800kVA 10kV/400V Step Down Oil Immersed Electrical Transformer for Power Supply
US$600.00-35,000.00
1 Piece(MOQ)
Electric Power Supply 1000kVA Oil-immersed Step Down Transformer for Distribution
US$600.00-35,000.00
1 Piece(MOQ)
10kVA Oil-Immersed Isolation Electrical Step-Down Transformer for Reliable Power Supply
US$1,199.00
1 Piece(MOQ)
19*35mm 19*38mm Low Frequency Ei Power Isolated Step up Down Transformer for Electronic Devices
US$0.20-5.00
500 Pieces(MOQ)
Isolation Step up Step Down Ei 6622 Power Transformer for Access Control System
US$0.50-1.50
500 Pieces(MOQ)
Supplier 5V 12V 24V 220V Step up Step Down Ei 6622 Power Transformer for Access Control System
US$0.50-1.50
500 Pieces(MOQ)
Cast Resin Step-Down Dry Type Transformer for Power Supply, Solar, PV, High-Frequency, Aluminum-Copper Power Transformer
US$1,400.00-35,000.00
1 Piece(MOQ)
Factory Direct Sales 10kVA Step-Down Oil-Immersed Power Transformer for Power Supply
US$998.00
1 Piece(MOQ)
Core Step-up and Step-Down Power Supply Toroidal Transformer
US$15.00-22.00
5 Pieces(MOQ)
Customized Switching Power Transformer Toroidal Core Step up Down Transformer
US$0.60-1.65
1,000 Pieces(MOQ)



















