OPIS PRODUKTU
SCHNEIDER ELECTRIC LV429275 - Molded Case Circuit Breaker (MCCB)
This device is a Compact NSXm series Molded Case Circuit Breaker designed for overcurrent protection and isolation in low-voltage electrical distribution systems. It integrates a Micrologic 4.2 electronic trip unit, providing precise LSI (Long-time, Short-time, Instantaneous) protection for industrial panels, commercial infrastructure, and critical load feeders. The unit ensures compliance with IEC 60947-2 standards for circuit protection.
Technical Specifications:
- SERIES/FAMILY: Compact NSXm
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3P (3-Pole)
- PROTECTED POLES: 3D (3 Protected Poles)
- BREAKING CAPACITY (Icu): 50kA at 400/415VAC
- RATED OPERATIONAL VOLTAGE (Ue): 220-690VAC
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: NSXm 250
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: Micrologic 4.2
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- INTERFACE/CONTROL:
- TRIP UNIT INDICATION: LED indicators for trip status and overload pre-alarm
- AUXILIARY MODULES: Compatible with optional auxiliary contacts, shunt trips, and undervoltage releases
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face when mounted in enclosure), IP20 (terminals)
- MOUNTING STYLE: Fixed, on DIN rail or mounting plate
- OPERATING TEMPERATURE: -25°C to +70°C
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Low-voltage power distribution, motor feeder protection, transformer protection, generator protection, industrial control panels, commercial building infrastructure
- STANDARDS: IEC 60947-2
