Professional range of single phase portable style ’Varivolt’ transformers. The transformers are not designed to provide mains isolation but do operate at mains voltage. The transformers are not designed to be tested as class 2 appliances on portable appliance testers.

Single Phase
Various current ratings available

Variable Auto Transformers

Continuously variable alternating current (a.c.) output voltage
Rugged construction
Low operating torque
High efficiency/excellent regulation

Silver-plated commutator
Low magnetising current
No waveform distortion, smooth linear output & overload capacity
Screw terminals
Complete with knob and dial