OPIS PRODUKTU
SCHNEIDER ELECTRIC LV429214 - Molded Case Circuit Breaker
The SCHNEIDER ELECTRIC LV429214 is a 3-pole molded case circuit breaker from the Compact NSX250N series, engineered for robust protection and isolation in low voltage electrical distribution systems. It integrates an electronic Micrologic 2.2 trip unit, providing precise adjustable overload and short-circuit protection for industrial panels, commercial buildings, and critical infrastructure applications. This device ensures reliable circuit interruption and system integrity in accordance with IEC 60947-2 standards.
Technical Specifications:
- SERIES/FAMILY: Compact NSX250N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 250A
- POLES: 3P3D (3 Poles, 3 Protected)
- NOMINAL OPERATIONAL VOLTAGE (Ue): 690VAC maximum
- NOMINAL INSULATION VOLTAGE (Ui): 800V
- NOMINAL IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- ULTIMATE BREAKING CAPACITY (Icu): 50kA at 400/415VAC
- SERVICE BREAKING CAPACITY (Ics): 50kA at 400/415VAC (100% of Icu)
- FREQUENCY: 50/60Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: NSX250
- MOUNTING TYPE: Fixed
- CONNECTION TYPE: Front connection
- INTERFACE/CONTROL:
- TRIP UNIT: Micrologic 2.2 Electronic Trip Unit
- PROTECTION FUNCTIONS: Long-time (Ir), Short-time (Isd), Instantaneous (Ii)
- ADJUSTMENT RANGE (Ir): 0.4 to 1 x In (adjustable)
- ADJUSTMENT RANGE (Isd): 1.5 to 10 x Ir (adjustable)
- ADJUSTMENT RANGE (Ii): 1.5 to 10 x In (adjustable)
- INDICATORS: Trip indication, Ready indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face, when installed in enclosure)
- POLLUTION DEGREE: 3
- OPERATING TEMPERATURE: -25 to 70 degrees C
- STORAGE TEMPERATURE: -50 to 85 degrees C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- APPLICATION: Low voltage power distribution, motor protection, generator protection, industrial control panels, commercial electrical installations
- STANDARDS: IEC 60947-2
