OPIS PRODUKTU
SCHNEIDER ELECTRIC NSX400N 400A,3P - Molded Case Circuit Breaker
The SCHNEIDER ELECTRIC NSX400N 400A,3P is a three-pole molded case circuit breaker from the Compact NSX series, engineered for robust overcurrent protection and isolation in industrial and commercial electrical distribution systems. It integrates advanced thermal-magnetic or electronic trip unit technology to safeguard circuits against overload and short-circuit conditions, ensuring operational continuity and equipment longevity. This device is suitable for main incoming, sub-distribution, and motor feeder applications requiring reliable circuit interruption capabilities.
Technical Specifications:
- SERIES/FAMILY: Compact NSX
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 400A
- POLES: 3P (3-Pole)
- RATED OPERATIONAL VOLTAGE (Ue): 220/240VAC to 660/690VAC
- RATED INSULATION VOLTAGE (Ui): 800V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 50kA at 400/415VAC
- RATED SERVICE SHORT-CIRCUIT BREAKING CAPACITY (Ics): 50kA at 400/415VAC (100% Icu)
- TRIP UNIT TYPE: Integrated thermal-magnetic or electronic trip unit (depending on specific sub-model)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: 400A frame
- MOUNTING: Fixed, typically on mounting plate
- TERMINALS: Front connection terminals
- INTERFACE/CONTROL:
- PROTECTION FUNCTIONS: Overload protection (thermal), Short-circuit protection (magnetic)
- INDICATORS: Mechanical trip indicator
- AUXILIARIES: Compatible with optional auxiliary contacts, shunt trips, undervoltage releases
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (front face with appropriate accessories)
- OPERATING TEMPERATURE: -25°C to +70°C
- POLLUTION DEGREE: 3
- MOUNTING STYLE: Fixed, rear plate mounting
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Industrial power distribution, commercial building electrical systems, motor feeder protection, generator protection, main incoming and sub-distribution panels.
- STANDARDS: IEC 60947-2