DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LV426974 - Molded Case Circuit Breaker (MCCB)
The SCHNEIDER ELECTRIC LV426974 is a Compact NSXm B series molded case circuit breaker designed for robust electrical distribution protection. This 3-pole, 3-protected device with a 160A nominal current rating integrates a Micrologic 4.1 electronic trip unit, providing advanced overload, short-time, and instantaneous short-circuit protection. It is engineered for critical industrial and commercial applications requiring reliable circuit isolation and fault interruption in accordance with IEC 60947-2 standards.
Technical Specifications:
- SERIES/FAMILY: Compact NSXm B
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 160A
- POLES: 3P (3-Pole)
- PROTECTION: 3D (3 Protected Poles)
- BREAKING CAPACITY (Icu): 25kA at 400/415VAC
- OPERATIONAL VOLTAGE (Ue): 220/240VAC to 690VAC
- INSULATION VOLTAGE (Ui): 800V
- IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- FREQUENCY: 50/60 Hz
- TRIP UNIT: Micrologic 4.1 (Electronic)
- PROTECTION FUNCTIONS: Long-time (L), Short-time (S), Instantaneous (I)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: 160A Frame
- FORM FACTOR: Compact Molded Case
- TERMINALS: Front Connection Terminals
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic
- ADJUSTMENTS: Adjustable Long-time Delay and Threshold, Adjustable Short-time Delay and Threshold, Adjustable Instantaneous Threshold
- INDICATORS: Trip Indication, Ready Indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (Front Face with Terminal Shields)
- POLLUTION DEGREE: 3
- OPERATING TEMPERATURE: -25 to 70 °C
- STORAGE TEMPERATURE: -50 to 85 °C
- MOUNTING STYLE: Fixed, on Backplate or DIN Rail (with optional adapter)
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Industrial Power Distribution, Commercial Building Infrastructure, Motor Feeder Protection, Generator Protection, Transformer Protection
- STANDARDS: IEC 60947-2
