Variable control from zero output to 95% line voltage. A voltage limit rear mounted center-off switch is used to select a 40v or 120v maximum output with the control knob on. 0-10 ammeter 5% accuracy F.S. NOT recommended for heaters rated less than 120 volts. Warning glow light mounted next to…

Superior Electric Powerstat & reg; with Ace Warning Glow variable output transformer. Autotransformers have one wire continuous from input to load. If this wire is incorrectly connected to the "hot" side of the service, a 110-120v potential exists between it and the ground. Reversing…