Watlow's Power Series has configurable phase-angle or zero-cross firing.

Power Series from Watlow Electric Mfg. Co.has configurable phase-angle or zero-cross firing; 50/60 Hz independent operation; adjustable soft start; heater and control diagnostic abilities; electrically touch-safe package; serial communications utilizing Modbus RTU protocol; and onboard semiconductor fusing to protect the SCRs from heater short circuits. It is offered in single- and three-phase versions from 65 to 245 A.

October 2000, RS# 203