ST-1000W 2000WW 3000W step up step down transformer,Variac transformers
Variac transformers
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ST-1000W 2000WW 3000W step up step down transformer

Item No.: ST
step up step down transformer up to 500kva

ST type step up & down transformer / toroidal transformer/220v power transformer  is specially designed by JUNXELE for all kinds of equipment under rated AC voltage , normally 110V 220V 380V,
we could do special design as clients need.


1. Feature

step-up & step-down transformer is an AC voltage converting device(also have variac).

It is used for transfer voltages into a fixed output voltage

under which all the electronic units are

safe for use within the rated power range.


2. Main Technical Data

Phase no.: Single-phase

Input voltage: AC110V or 200V or 220V or 240V

Output voltage: AC110V & 220V.


Phase no.: Three-phase

Input voltage: AC220V or 380V or 430V

Output voltage: AC220V 380V.


With fuse protector or with over current protector

Main features: 
1. Heavy duty suitable for continuous use.
2. Terminal connection or plug & socket connection.
3. Various types of plug & socket, US, European, Schuko, VDE, UK, Asian, Australian, or as request.
4. Output up to 3 sockets.
5. Input voltage range: 110V/117V/120V/220V/230V/240V
6. Output voltage range: 220V/230V/240V/110V/117V/120V
7. Typical capacity: 100/200/300/500/800/1000/1500/2000/3000/5000/8000/10000VA, or customized
8. Frequency: 50/60HZ
9. Protection : fuse protector or over current protector.

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