• BCH Electric Limited

Time Delay Relays

Time delay relay (pneumatic timers) from BCH Electric comes with a host of features. These include: wide ambient operating temperature range -40ºC to +65ºC; timers with/without instantaneous contacts; high speed operations with 0.02 sec (AC) reset time; wide range coil voltages – AC/DC; modular construction for easy maintenance; enclosed timing head and moulded coil for adverse industrial environment; on site On delay-Off delay logic conversion; special models for railway application; compliance with IEC 60947-5-1 and IS 5834-Part-I; and general purpose On/Off delay timers. General specifications: AC coil-DC coil – utilisation category AC 15-DC 13; thermal current – 15 A; time range – 0.05-30 sec, 0.05-60 sec, 0.05-180 sec; repeat accuracy – ±10%; reset time – 0.02-0.10 sec; coil voltages – 24/110/220/240/415 V – 24/110/220/240 V; coil voltage tolerance – +10%, -15%; mechanical and electrical life PN – 10 x 106 operations, PNI/PCN – 1.2 x 106 operations; max operating frequency – at rated load PN – 12000 oper