tender for motor protection circuit breaker, current rating 3 - 4 amps, thermal release range 2.5 - 4 ampswith 1 no + 1 nc auxilliary contact block, 3 pole, 415 v ac, breaking capacity - 50 ka as per bill of material ofrdsos specn . no. rdso/pe/spec/ac/0184-2015 (rev-0) accepted make: abb, legrand,schneider, l& t, siemens, c&s, eaton.