SCHNEIDER ELECTRIC LV431390

This SCHNEIDER ELECTRIC LV431390 is a ComPact NSX250B 3-pole molded case circuit breaker base frame without trip unit for low voltage power distribution systems. The molded case circuit breaker frame provides 25kA breaking capacity at 415V AC and 250A rated frame current. The molded case circuit breaker frame reserves internal space for assembling optional trip units to realize overload and short-circuit protection. The molded case circuit breaker frame adopts screw terminals for reliable power cable connection inside electrical distribution cabinets. The molded case circuit breaker frame meets IEC standards for safe low voltage power distribution applications.

This frame serves as the main mechanical housing for NSX250 series protection configuration. The NSX250 breaker base supports flexible selection of thermal magnetic or electronic trip units according to different load requirements. The NSX250 breaker base features visible contact status indicator for visual inspection of on-off position. The NSX250 breaker base supports DIN rail or fixed mounting for installation inside power panels. The NSX250 breaker base is widely used in factory power distribution, pump and motor control systems.

It serves as a critical spare base component for circuit breaker assembly and retrofit. The Schneider ComPact NSX base unit is manufactured to original Schneider factory specifications for direct assembly. The Schneider ComPact NSX base unit reduces equipment downtime during low voltage power cabinet overhaul work. The Schneider ComPact NSX base unit supports simple assembly of trip units and accessories. The Schneider ComPact NSX base unit is stocked by global electrical automation spare parts suppliers.