• Variable Transformer (TL)

Variable Transformer (TL)

Specially for equipment voltage adjusting and testing
TL variable transformer is designed to provide large range for power equipment testing. It can be adjusted and stabilized voltage, covering manual, automatic, single phase and 3 phase and is the best choice for equipment of voltage adjustment.
Model : TL series

Single phase square type Single phase octagonal type Single phase big square type

Single phase motorized type Single phase multi-layer motorized type (with cabinet) Three phase square type

Three phase octagonal type Three phase big square type
Three phase motorized type

Three phase multi-layer motorized type (with cabinet)

Model No. (TL-) 



Single phase series

Three phase series






105/5A     108/8A    110/10A  112/12A  115/15A  120/20A 125/25A 130/30A 135/35A 140/40A

203/3A     205/5A     207/7A   210/10A 215/15A 220/20A 225/25A 230/30A 235/35A 240/40A

1402/2A 1403/3A 1405/5A 1407/7A 1410/10A 1415/15A 1420/20A 1425/25A

305/5A     308/8A   310/10A 312/12A 315/15A 320/20A 325/25A 330/30A 335/35A 340/40A

3403/3A 3405/5A 3408/8A 3410/10A 3415/15A 3420/20A 3425/25A 3430/30A 3435/35A 3440/40A

Input Voltage

Single phase 110V, 220V, 380V

Three phase 220V, 380V

Output Voltage

Single phase 0~130V, 0~260V, 0~440V

Three phase 0~260V, 0~440V





Power Factor


Overload Capability

300% for 10 seconds, 150% for 120 seconds




Temperature: 0°C~45°C Humidity: 0%~95% (non-condensing)

Multi-sets Paralleling

Yes (depends on the capacity)

Motor Control

Yes (option)

  • text3.gifContinuous output, linear voltage adjustment, wide range of testing

    text3.gifUse directional iron core made in Japan with high efficiency and power conservation

  • text3.gifLow internal impedance, low voltage drop and can sustain transient heavy load

  • text3.gifCan be parallel connected output to meet needs in load capacity

  • text3.gifCan be used together with electric motor to give output adjusting smoothly

  • text3.gifSturdy structure, simple installation, good heat radiating effect and easy to fit with served equipment

  • text3.gifAdjusting shaft is made of synthetic resin that ensures insulation and prevent leakage

  • text3.gifVenting port designed to give good radiating effect for promoting efficiency

Motor Testing Equipment
Engineering Testing Equipment
Producing Test Equipment

Winding Equipment

Load Testing Power

Electronics Manufacturing Plant
Production Equipment

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Power Transformer (TD & MTF)

Power Transformer (TD & MTF)