• Sigma Controls

SCR Power Controller

Sigma SCR power controllers are available with a number of unique features.

These include: single pole, normally open switching device for control of resistive heating loads; zero voltage or phase angle fired; extends heater life – eliminates thermal shocks; replaces mechanical contactors; all solid state design – no maintenance; convection cooled; supply voltage – 120/240/440V AC, 50-60 Hz; single, two or three phase for star/delta connected resistive load up to 15A to 200A; I2T fuse protection; and options – soft start, voltage limit and manual pot available.

Sigma Controls, founded in 1998, has established itself as a leading manufacturer and supplier of high-tech instrumentation in the field of temperature, SCR power control, system automation and various process control instruments.