Variac

Manual contact and motorized variable transformers with continuously adjustable output, used for test benches, ageing racks, motor speed testing and laboratory work. Built to JB/T10091.

Series in this category

TDGC2T Contact Variac

Bench-top variac with 0-300V continuously adjustable output, digital voltmeter and a rotary knob.

TDGC2 Single-phase Variac

Ring-core manual variac from 0.5KVA to 30KVA with 0-250V continuously adjustable output.

TSGC2 Three-phase Variac

Three-phase manual variac with 380V input and 0-430V continuously adjustable output, built to JB/T10091.

TDGC2J Motorized Regulator

Motorized single-phase variac for remote or repeated adjustment, with ring-core vertical construction.

TSGC2J Motorized Three-phase Regulator

Motorized three-phase variac from 10KVA to 120KVA with 0-430V adjustable output for test benches and production lines.

Selection points

  • Choose single-phase 0-250V/0-300V or three-phase 0-430V output to match the test requirement.
  • Manual regulation suits occasional adjustment; motorized suits remote or repeated adjustment.
  • Size the capacity from the test load current, not only the nameplate power.
  • Ring-core vertical construction suits bench mounting and cabinet integration.
  • State the required output voltage range when ordering.

Where it is used

  • Laboratory and test benches
  • Ageing and burn-in racks
  • Motor and transformer testing
  • Education and R&D