The Schneider Electric LV429387 is a MX Shunt Trip Release (also known as a voltage release accessory) designed to be used with molded case circuit breakers such as Compact NSX, PowerPact Multistandard, and EasyPact CVS series
Parameters
Parameter Specification
Product Name Schneider Electric MX Shunt Trip Release
Part Number LV429387
Device Type Voltage release / Shunt Trip Release for MCCBs
Compatible Circuit Breakers Compact NSX series, PowerPact Multistandard, EasyPact CVS breakers
Device Short Name MX (Shunt Trip)
Control Circuit Voltage (Uc) 220 – 240 VAC, 50/60 Hz and 208 – 277 VAC, 60 Hz
Control Signal Type Impulse / Maintained trip signal
Operating Threshold ~0.7 to 1.1 × Un during opening time
Response Time ~50 ms typical
Supply Inrush Power ~10 VA typical
Mounting Mode Fixed direct onto breaker or compatible frame
Auxiliary Connection Terminal Screw or spring terminals, 0.5–1.5 mm² wire size
Standard Compliance IEC 60947‑2 (MCCB accessory), UL Listed and CSA Certified (in certified markets)
Typical Application Remote trip, emergency switch, control interlock functions for low‑voltage distribution systems