These timers introduced by hind asia industries are designed as per is 5833 part-i. Features: quick convertibility from on delay to off delay; models are single time unit, two time unit and single time unit with instantaneous unit; standard coil çqwvoltage 110, 220, 240 and 415 v; timing range - .05 sec to 60 sec and 0.5 sec to 180 sec; contact configuration - 1 no + 1 nc single pole change over; contacts have 15 a thermal rating; and product codes - hpn, hpni and hpcn.