Description
Noark Shunt Trip for Ex9B MCB
- Accessories for installation devices Ex9B (Ex9BH, Ex9BN, Ex9B125, Ex9BD, Ex9BP, Ex9BL), Ex9PN, Ex9BI, Ex9IP
- Auxiliary contacts synchronnous with main contacts of the devices
- Signal contacts active on electrical tripping of the circuit breakers
- Shunt trip releases
- Locking devices
- Undervoltage releases
- Overvoltage release
- According to IEC/EN 60947-1 and IEC/EN 60947-5-1
Accessories are designed in the way to be possible to combine different types with one installation device. It can be used up to two releases plus up to three units of auxiliary or signal contacts (two units in case of AX3122 with two pairs of contacts) plus one unit of RCD-block (only for Ex9B MCBs).
Release units are mounted from the left to the installation device.
Auxiliary and signal contact units must be mounted from the left to the device or to the release unit(s) when installed.
Contact units are equipped with changeover (CO) combination(s) of contacts.