supply of procurement of motor protection circuit breaker (mpcb) etc.procurement of motor protection circuit breaker (mpcb) etc.,motor protection circuit breaker (mpcb) for exhaust fans, current rating: 0.63a, therma l release range: 0.4-0.63a, class: 10, breaking capacity: 50ka, pole: 3p, voltage: 415v ac conformin g to rdso spec. rdso/pe/spec/ac/0184- 2015 (rev.-1) suitable for lhb type ac coaches switch boar d cabinet. accepted make: abb/schneider/siemens/l & t as per bill of material s. no. 50, place of in stallation sif85, sif86 & sif87 conforming to rdso letter no. el/7.1.108/mssbc dated 17.09.2021. [ warranty period: 30 months after the date of delivery ] ]