OPIS PRODUKTU
SCHNEIDER ELECTRIC LV432559 - Molded Case Circuit Breaker
The SCHNEIDER ELECTRIC LV432559 is a ComPact NSX250N series 3-pole Molded Case Circuit Breaker (MCCB) designed for robust overcurrent and short-circuit protection in industrial and commercial electrical distribution systems. This fixed-type circuit breaker integrates a Micrologic 2.2 electronic trip unit, providing LSI (Long-time, Short-time, Instantaneous) protection for feeder circuits, motor control centers, and general power distribution applications requiring precise fault discrimination. It adheres to IEC 60947-2 standards, ensuring reliable operation in critical power infrastructure.
Technical Specifications:
- SERIES/FAMILY: ComPact NSX250
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 250A
- NUMBER OF POLES: 3P
- RATED OPERATIONAL VOLTAGE (Ue): 690VAC
- RATED INSULATION VOLTAGE (Ui): 800V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- BREAKING CAPACITY (Icu): 50kA at 400/415VAC
- TRIP UNIT TYPE: Micrologic 2.2 Electronic Trip Unit
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- MECHANICAL/PHYSICAL:
- MOUNTING TYPE: Fixed
- FRAME SIZE: 250A Frame
- CONNECTION TYPE: Front Terminals
- INTERFACE/CONTROL:
- TRIP UNIT: Integrated Micrologic 2.2
- INDICATORS: Trip Indication, Ready LED (variant dependent)
- AUXILIARY COMPATIBILITY: Supports optional auxiliary contacts, shunt trips, undervoltage releases
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face with escutcheon), IP20 (terminals)
- POLLUTION DEGREE: 3 (IEC 60947-1)
- OPERATING TEMPERATURE: -25°C to +70°C (with derating above 50°C)
- MOUNTING STYLE: Panel mounted, fixed on mounting plate
- COMPATIBILITY/APPLICATION:
- STANDARDS: IEC 60947-2, NEMA AB1
- APPLICATIONS: Main circuit protection, feeder protection, motor protection, generator protection in industrial and commercial electrical distribution.
