Schneider LV429387 Shunt trip release MX

The Schneider Electric LV429387 is a shunt trip release (MX) designed for remote tripping of ComPacT NSX and compatible circuit breakers. It operates as a voltage release coil that triggers disconnection upon receiving a control signal, with a rated control circuit voltage of 220...240 V AC 50/60 Hz or 208...277 V AC 60 Hz.

Technical specifications:

• Commercial reference: LV429387
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX100...250, ComPacT NSX400...630 (and DC / PV / new generation variants)
• Device short name: MX
• Product type: Voltage release - shunt trip release coil
• Application: Control / remote tripping
• Control circuit voltage: 220...240 V AC 50/60 Hz / 208...277 V AC 60 Hz
• Operating threshold: 0.7...1.1 x Un (opening)
• Response time: 50 ms
• Control signal type: Pulse / latching
• Minimum pulse duration: 20 ms
• Inrush power consumption: 10 VA
• Auxiliary terminal block: Spring terminals, 0.5...1.5 mm² (AWG 20...AWG 16)
• Wire strip length: 7 mm
• Package weight: 118 g
• Warranty: 18 months

Features and benefits:

• Enables remote electrical tripping of ComPacT NSX breakers via a pulse or latching control signal
• Wide voltage compatibility covering both 50 Hz and 60 Hz networks at 208...277 V AC
• Fast response time of 50 ms for reliable disconnection in protection and control applications
• Compatible with ComPacT NSX100...630, DC, PV, Easypact CVS, and PowerPact Multistandard ranges
• Spring-clamp auxiliary terminals for tool-free, secure wiring up to 1.5 mm²

Applications:

• Remote tripping of ComPacT NSX molded case circuit breakers in industrial switchboards
• Emergency shutdown systems requiring fast electrical disconnection from a remote control signal
• Fire alarm or safety interlock integration in building and industrial electrical panels
• Motor control centers and power distribution panels requiring remote fault isolation

Compliant with applicable IEC/EN standards for molded case circuit breaker accessories. Part of the Schneider Electric ComPacT NSX range.

Also known as: Schneider LV429387, Schneider Electric LV429387, MX shunt trip coil, NSX trip release accessory.