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33671 Replacement MN UVR Voltage release trip 200-250V Compact NS Circuit breaker or Switch disconnector MN undervoltage release

33671 MN undervoltage release is for Compact NS 630b to Compact NS 3200 devices. Its rated voltage is 200VDC to

33662 Replacement MX XF voltage release 200-250V 33664 380-480V 33661 100-130V Compact NS Circuit Breaker MX Shunt trip release

33662MX shunt trip release is for Compact NS 630b to Compact NS 3200 devices. Its rated voltage is 200VDC to 250VDC or 200VAC to 250VAC 50/60Hz. It is an auxiliary used for emergency off or remote opening applications. This auxiliary opens the circuit breaker when the control voltage Un rises above 70% of its rated voltage Un. It complies with IEC 60947-2 standard. Compact NS 630b to Compact NS 3200 device can be equipped with 1 MX or 1 MN auxiliary.

Circuit Breaker Auxiliary Guide for Control and Signaling Functions

Circuit breaker auxiliaries are used to expand breaker functionality with signaling, remote control and status indication features. Buyers usually compare auxiliary type, compatibility and control requirement before selecting the right accessory for a breaker system.

Selection Tips

  • Check compatibility with the target breaker series before ordering.
  • Choose auxiliary functions according to signaling or control requirement.
  • Confirm installation method and panel layout suitability.

Why Buyers Choose This Category

  • Clear specifications for project matching
  • Suitable for wholesale, OEM and export supply
  • Improves content depth for search and buyer decisions
Frequently Asked Questions
Q: What are circuit breaker auxiliaries used for?A: They are used to add functions such as status indication, remote trip, remote control or signaling to compatible breaker systems.
Q: Why is series compatibility important in this category?A: Because auxiliaries must match the intended breaker series correctly to ensure proper fit and operation.