supply of moulded case circuit breaker[mccb],4-pol [moulded case circuit breaker[mccb],4-pole, rated current 63a,rated voltage 415v,50hz,3-phase ac,conforming to is:13947[pt 1&2]/iec 60947- 1&2,breaking capacity 25ka,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]moulded case circuit breaker[mccb],4-pol [moulded case circuit breaker[mccb],4-pole, rated current 63a,rated voltage 415v,50hz,3-phase ac,conforming to is:13947[pt 1&2]/iec 60947- 1&2,breaking capacity 25ka,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],moulded case circuit breaker[mccb],4-pole, rated current 63a,rated voltage 415v,50hz, 3-phase ac,conforming to is:13947[pt 1&2]/iec 60947- 1&2,breaking capacity 25ka,insulation voltage 690v ac or higher,capable to withstand 50 degree c ambient temperature, fitted with adjustable ther mal 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 w ith locking arrangement in off position to avoid accidental on position, maximum overall mechanical dimension of [ warranty period: 30 months after the date of delivery ] ] => limited