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 – utilization category AC 15-DC 13; thermal current – 15A; time range – 0.05-30 sec, 0.05-60 sec, 0.05-180 sec; repeat accuracy -- ±10%; reset time – 0.l02-0.10 sec; coil-voltages – 24/110/220/240/415V – 24/110/220/240V; 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 operation/hr, PNI/PCN – 15oo operations/hr; and coil insulation – class E – class b, BCH Electric Limited an ISO 9001:2000 company, is today one of the largest manufacturers of low voltage electrical and electronic controls in India.
The company was set up in 1965 asa joint venture between Cutler-Hammer, USA, and Indian partners. Since 1977, it is a wholly owned Indian company with global business connections.