Name: Johsun 110/220V Step up and Step Down Power Transformer with 2 USB
Uploaded: 2026-07-15T23:55:44+08:00
Description: Watch the Johsun 110/220V Step up and Step Down Power Transformer with 2 USB video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

Model NO.:

STU-3000VA

Application:

Power, Electronic

Phase:

Single

Core:

Core-type Transformer

Cooling Method:

Dry-type Transformer

Winding Type:

Auto-transformer

Certification:

ISO9001, CCC, CE

Usage:

Single-phase Transformer, Power Transformer

Frequency Characteristics:

Power Frequency

Shape of Core:

Ring

Brand:

Johsun Tec

Application:

Power, Electronic

Phase:

Single

Core:

Core-Type Transformer

Cooling Method:

Dry-Type Transformer

Winding Type:

Auto-Transformer

Certification:

ISO9001

Usage:

Single-Phase Transformer, Power Transformer

Frequency Characteristics:

Power Frequency

Shape of Core:

Ei

Input Voltage:

110V/200V/220V/240V

Output Voltage:

220V/110V

Color:

Black, (Others Can Be Customized)

Adjust Time:

<0.5s(When Input Voltage Has a Change of 10%)

Certificates:

CE, ISO9001:2008, Soncap

Coil Number:

Autotransformer

Input and Output Display:

Yes (Pointer, LCD, LED)

Coil Structure:

Toroidal

Service:

ODM/OEM

Frequency:

50/60Hz

MCB Protection:

Yes

Output Current:

13.5A

Trademark:

Johsun

Transport Package:

Standard Export Carton and Colour Box Package

Origin:

Zhejiang, China

HS Code:

8504329000

Johsun 110/220V Step up and Step Down Power Transformer with 2 USB Video,Demo, How It Works & Features

Product Specifications