SHT31 110-415 AC/110-130 DC surge arrester Noark- Solfinity shop

The Noark SHT31 110–415 AC, 110–130 DC shunt trip is an accessory for Noark Ex9B and Ex9PN overcurrent circuit breakers. The accessories are designed in such a way that they can be combined with different types of devices. Up to three auxiliary contact or auxiliary tripping contact units and up to two trip units can be mounted (for AX3122 auxiliary contacts, up to two units can be mounted), plus one residual-current device (only for Ex9B overcurrent circuit breakers).

Trips are mounted on the left side of the device. Auxiliary contacts and auxiliary tripping contacts are mounted on the left side of the device or on the left side of the trip, if installed. Contact units are equipped with alternating contact combinations.