... and motor protector, save 90% energy consumption. Introduction:SPKBO-F is specialized for fire protection developped on basis of basic ... , to realize " alarm+trip" function. Characteristics and main parametersSPKBO-F Fire Control and Protective Switching Device adopts operation mechanism designed ... - 3-pole and 4-pole - Current ratings: 12, 16, 18, 32, 45, 63 and 100A - Min. Setting current: 0.16A; Max ...