IC

110V 220V Voltage Converter Step Up and Step Down Transformer Supplier

CE / RoHs / IC Certified Toroidal Transformers for Home, Commercial & Industrial Use. OEM / ODM Supported for Global Distributors & Importers.
  • Bidirectional 110V ↔ 220V Conversion
  • 100VA-10KVA Full Power Range
  • CE & RoHs & IC & ISO 9001 Certified
  • Fuse / MCB Overload Protection
  • 12 Month Warranty
  • OEM / OEM Customization
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step up and step down transformers

Certifications & Quality Standards

Combining innovative technology with stringent quality standards to meet global demands.
TE16.06
CE CERTIFICATE JOHSUN
DT-1000VA-IC-0
EMC(1)-0

Johsun Tec Step Up / Step Down Transformers

DT/ST-1000VA

  • Entry home use
  • Microwave ready
  • PC support
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DT 1000VA (8)
HOT

DT/ST-1500VA

  • Mid household
  • Multi-device
  • Kitchen ready
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DT 1500VA
IN STOCK

DT/ST-2000VA

  • Heavy appliances
  • AC support
  • High load
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DT 2000VA (2)
IN STOCK

DT/ST-3000VA

  • Strong capacity
  • Multiple devices
  • Stable power
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DT 3000VA (3)
HOT

DT/ST-5000VA

  • High demand
  • Air conditioning
  • Full kitchen
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DT 5000VA (5)
HOT

DT/ST-10000VA

  • Maximum power
  • Full house use
  • Premium protection
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DT 10000VA (5)
HOT

Product Overview

The DT/ST transformer series offers a wide power range, from 100VA to 10KVA, and safely and efficiently converts AC voltages between 110V and 220V. Featuring a toroidal core design, these transformers offer superior performance in a compact size, ensuring stable operation for both light household appliances and heavy industrial equipment.

  • Step-up & Step-down function (110↔220V)
  • Toroidal transformer for high efficiency & low noise
  • Input Voltage Selector: 110-120VAC/220-240VAC
  • Output: 2 PCS 110V USA Sockets and 2 PCS 220V Universal Sockets
  • Fuse/MCB protection
  • Portable handle design
  • OEM/ODM customization available
Get More Technical Specifications

1-year warranty | CE Certified | OEM/ODM Supported | RoHS Certified | ISO 9001 Certified

Technical Specifications

MODELRATED POWERINPUT VOLTAGEOUTPUT VOLTAGEFREQUENCYEFFICIAENCYPROTECTION METHODS
DT/ST-100VA100VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-200VA200VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-300VA300VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-500VA500VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-750VA750VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-1000VA1000VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-1500VA1500VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-2000VA2000VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE
DT/ST-3000VA3000VA110-120V/220-240V220-240V/110-120V50/60HZ80%FUSE+MCB
DT/ST-5000VA5000VA110-120V/220-240V220-240V/110-120V50/60HZ80%MCB
DT/ST-7500VA7500VA110-120V/220-240V220-240V/110-120V50/60HZ80%MCB
DT/ST-10000VA10000VA110-120V/220-240V220-240V/110-120V50/60HZ80%MCB

Selection note: For motor loads, inductive loads or long-hour operation, it is generally recommended to select a transformer with additional headroom above the device rated power.

Recommended application scenarios

Johsun Tec transformers have a wide range of applications, from basic household electronics to high-power systems throughout the house.

DT/ST Series 10000VA

Full-house power solution for multiple air conditioners and all major appliances. Best choice for premium, stable whole-home voltage protection.

DT/ST Series 5000VA

Ideal for high-load environments with simultaneous use of air conditioners and kitchen appliances. Suitable for heavy daily household demand.

DT/ST Series 3000VA

Designed for medium household use with multiple appliances, including induction cookers, washing machines, and kitchen equipment operating together.

DT/ST Series 1000VA

Suitable for small home appliances such as PCs, microwaves, and light-duty kitchen devices. Ideal entry-level option for basic inductive loads.

Customized solutions

Customized configurations are available based on regional voltage standards, load combinations, and installation requirements.
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ODM & OEM Service

Johsun Tec Step Up Step Down Transformers
Confirm Your Requirements

1. Confirm Your Requirements

Discuss voltage, power capacity, frequency, and application needs for customized transformer solutions.
Johsun Tec Step Up Step Down Transformers 4
Get a Quote & Sample Production Cycle

2. Get a Quote & Sample Production Cycles

Receive detailed pricing, lead times, and sample production schedules based on your specifications.
Johsun Tec Step Up Step Down Transformers 3
Design Review & Sample Production

3. Design Review & Sample Production

Engineers review technical details and create prototype samples for testing and approval.
Johsun Tec Step Up Step Down Transformers 2
Production, Inspection & Testing

4. Production, Inspection & Testing

Mass production begins with strict quality inspection, electrical testing, and performance verification.
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Automatic Voltage Converter Factory

With a production history since 2007, our facility in the Xiangyang Industrial Zone integrates advanced R&D with rigorous ISO9001:2008 standards. We ensure a 100% yield through multiple stages of technical debugging, delivering certified power solutions to over 20 countries worldwide.

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Power Transformers

uilt with premium copper/aluminum materials for superior heat dissipation and low energy loss.

Voltage Regulators

Engineered with high-sensitivity response technology to ensure a consistent, safe voltage output.

Smart Solar Inverter

High-efficiency power conversion optimized for solar photovoltaic ecosystems.

110V-220V Transformer Expert

We supply a wide range of 110V-to-220V and 220V-to-110V converters.

Contact our engineers

Tell us your voltage, capacity, and application, and our engineers will recommend the optimal solution within 12 hours.
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Quality Assurance

Quality Assurance

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