OPIS PRODUKTU
SCHNEIDER ELECTRIC LV426821 - Molded Case Circuit Breaker
SCHNEIDER ELECTRIC LV426821 is a ComPact NSX250N molded case circuit breaker engineered for robust overcurrent protection and isolation in low voltage electrical distribution systems. This device integrates an electronic Micrologic 5.2 A trip unit, providing precise adjustable overload and instantaneous short-circuit protection for critical industrial infrastructure, commercial installations, and machinery. It ensures system reliability and operational continuity by accurately detecting and clearing faults within AC networks up to 690V.
Technical Specifications:
- SERIES/FAMILY: ComPact NSX250
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 250A
- POLES: 3P
- BREAKING CAPACITY (Icu): 50kA at 400/415V AC
- OPERATIONAL VOLTAGE (Ue): 690V AC 50/60 Hz
- INSULATION VOLTAGE (Ui): 800V AC 50/60 Hz
- IMPULSE WITHSTAND VOLTAGE (Uimp): 8 kV
- TRIP UNIT TYPE: Electronic Micrologic 5.2 A
- PROTECTION FUNCTIONS: Overload (Ir), Short-circuit instantaneous (Ii), Short-circuit short-time (Isd)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: NSX250
- MOUNTING: Fixed
- TERMINAL TYPE: Front connection
- INTERFACE/CONTROL:
- FEEDBACK: Local indication of trip status
- MEASUREMENT: Ammeter function (current display)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face with accessories), IP20 (terminals)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Plate mounting, DIN rail compatible with adapter
- OPERATING TEMPERATURE: -25 to 70 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Low voltage power distribution, motor feeder protection, generator protection, industrial control panels, commercial building infrastructure
- STANDARDS: IEC 60947-2
