Input supply - 415 V AC, 50/ 60 Hz output - gate cathode drive to drive thyristors up to 2500 A capacity; interlock - relay contacts to actuate pneumatic valve and motor contactor; trigger - double initiation foot switch; actuates on contact closure; dimensions: 100 (W) x 192 (H) x 300 mm (D); and weight - approximately 2.8 kg.

Non-volatile memory to store up to 15 weld schedules; easy to program with the help of Up/ Down and Enter keys; values entered are indicated by two digit LED display; individual operations within a weld schedule indicated by LEDs; key lock switch is provided for program/ run mode locking; timings set in terms of "half cycles" of mains supply frequency for better resolution; precise time and energy control ensures consistent weld quality; trigger built-in compensation against fluctuation in mains supply voltage; weld/no weld switch on front panel; separate relay contact outputs are provided to actuate pneumatic solenoid valve and motor contactor; double initiation foot switch operation; and adjustment of various parameters possible as per table on reverse.