supply of moulded case circuit breaker [ mccb ] , 4-pole, capacity 200a, rated voltage 415v, 50hz, 3-phase ac, conforming to is / iec 60947-1&2, breaking capacity 35ka, insulation voltage 690v ac or higher, capable to withstand 50 degree c ambient temperature, fitted with adjustable thermal magnetic overload release and fixed magnetic short circuit release, impulse withstanding voltage capacity of 8kv or higher, fitted with rotary handle for operation having indication of on / off / tripped with locking arrangement in off position to avoid accidental on position, maximum overall mechanical dimension of 140mm width. 195mm depth and 184mm height. [ warranty period: 30 months after the date of delivery ] coaching depot stores / src , ser west bengal 21.00 numbers