OPIS PRODUKTU
SCHNEIDER ELECTRIC LV429840 - Electronic Trip Unit (Vigi)
This unit is an electronic trip unit from the SCHNEIDER ELECTRIC Compact NSXm series, designed for integration into molded case circuit breakers. It provides comprehensive overcurrent protection, including long-time, short-time, and instantaneous trip functions, alongside integrated residual current (Vigi) protection for earth leakage fault detection. This component is critical for ensuring electrical system safety and continuity in industrial and commercial low voltage distribution applications.
Technical Specifications:
- SERIES/FAMILY: Compact NSXm
- COMPONENT TYPE: Electronic Trip Unit with Vigi Module
- ELECTRICAL SPECS:
- COMPATIBLE BREAKER FRAME: Compact NSXm 160A to 250A
- NOMINAL VOLTAGE: Up to 690VAC (dependent on breaker frame)
- PHASE COMPATIBILITY: 3-Phase, 4-Wire (with 4-pole breaker)
- PROTECTION FUNCTIONS: Overload (Ir), Short-Circuit (Isd, Ii), Earth Leakage (Id)
- OVERLOAD ADJUSTMENT RANGE (Ir): 0.4 to 1 x In (Nominal Current of Breaker)
- SHORT-CIRCUIT ADJUSTMENT RANGE (Isd): 1.5 to 10 x Ir
- INSTANTANEOUS TRIP RANGE (Ii): 1.5 to 10 x In
- EARTH LEAKAGE SENSITIVITY RANGE (Id): 30mA to 30A
- EARTH LEAKAGE TIME DELAY RANGE (Delta t): 0ms to 1s
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Plug-in module for Compact NSXm MCCB frame
- POLE COMPATIBILITY: 3-pole and 4-pole circuit breakers
- INTERFACE/CONTROL:
- LOCAL INDICATION: Trip indication, Vigi fault indication
- ADJUSTMENT: Rotary switches for Ir, Isd, Ii, Id, and time delays
- ENVIRONMENTAL/MOUNTING:
- MOUNTING: Direct integration into Compact NSXm circuit breaker
- PROTECTION RATING: Inherits IP rating of the assembled MCCB
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Low voltage electrical distribution panels, motor control centers, generator protection
- COMPATIBLE BREAKER SERIES: SCHNEIDER ELECTRIC Compact NSXm 160/250
