Model 18TBP/TB solid state variacs incorporate exclusive design features
to protect power semiconductor components against damage. “2 milli-
second” fuses protect the solid state variac against short-circuit
damage; an R-C snubber network protects the solid state variac against
dv/dt failure; an integral heatsink chassis allows continuous operation
in ambients to 50C with no derating.
These solid state variacs are designed for resistive loads only not motors.
