DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LV429346 - Molded Case Circuit Breaker
The SCHNEIDER ELECTRIC LV429346 is a ComPact NSX250F series 3-pole Molded Case Circuit Breaker (MCCB) designed for robust protection and control in low voltage electrical distribution systems. It integrates a Micrologic 2.2 electronic trip unit, providing precise overload and instantaneous short-circuit protection. This device is engineered for critical applications in industrial facilities, commercial buildings, and infrastructure, ensuring reliable circuit isolation and fault interruption.
Technical Specifications:
- SERIES/FAMILY: ComPact NSX250F
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3P
- OPERATIONAL VOLTAGE (Ue): 690VAC
- RATED INSULATION VOLTAGE (Ui): 800V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- BREAKING CAPACITY (Icu): 36kA at 400/415VAC
- FREQUENCY: 50/60Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: NSX250
- TRIP UNIT TYPE: Micrologic 2.2
- PROTECTION FUNCTIONS: Long-time (overload), Instantaneous (short-circuit)
- CONNECTION TYPE: Front terminals
- INTERFACE/CONTROL:
- TRIP UNIT TECHNOLOGY: Electronic
- OVERLOAD ADJUSTMENT RANGE (Ir): 0.4-1 x In (100A to 250A)
- INSTANTANEOUS ADJUSTMENT RANGE (Ii): 1.5-10 x Ir
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face with door cover), IP20 (terminals)
- POLLUTION DEGREE: 3
- OPERATING TEMPERATURE: -25 to 70 degrees C
- MOUNTING STYLE: Fixed, on backplate or DIN rail (with adapter)
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- APPLICATION: Low voltage electrical distribution, motor protection, generator protection, industrial control panels, commercial building infrastructure
- STANDARDS: IEC 60947-2