Auxiliaries for MCBs, RCCBs & RCBOs
Auxiliary Contact - MZ201
Auxiliary contacts are used to provide contact status indication of associated device.Contact rating - 6 A, 230 V AC
1 NO + 1 NC contact
Trip Alarm Contact - MZ202
Trip alarm contacts are used to indicate tripping of associated device.Contact rating - 6 A, 230 V AC
1 NO + 1 NC contact
Shunt Trip Unit - MZ203, MZ204
Shunt trip units are used for remote tripping a device.Rating -
230-415 V AC - MZ203
12-48 V DC - MZ204
Under Voltage Release - MZ205, MZ206
Under voltage release allows MCBs to be closed only when the supply voltage is above 70% of Un. Undervoltage release trip the MCBs if the supply voltage falls below 35% of Un.Ratings -
48 V DC - MZ205
230 V AC - MZ206
Over Voltage Release - MZ209
Over voltage release monitors the voltage between phase & neutral and automatically trips the circuit breaker if the voltage exceeds 280 V AC.Auxiliary Contact for RCCBs - CZ001
CZ001 is used to provide on, off, trip indication of RCCBs. It is also used as interface relay between RCCB and for MCB standard accessories like MZ203, MZ204, MZ205, MZ206 & MZ209.





