ОПИСАНИЕ ПРОДУКТА
SCHNEIDER ELECTRIC LV434223 - Molded Case Circuit Breaker
This device is a SCHNEIDER ELECTRIC Compact NSX400N series molded case circuit breaker, engineered for low voltage electrical distribution systems. It provides overcurrent protection, short-circuit protection, and isolation functions in industrial and commercial installations. Integration of a Micrologic 2.2 electronic trip unit facilitates adjustable protection parameters for circuit and equipment safeguarding.
Technical Specifications:
- SERIES/FAMILY: Compact NSX400N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 400 A
- NUMBER OF POLES: 3P
- RATED OPERATIONAL VOLTAGE (Ue): 690 VAC
- RATED INSULATION VOLTAGE (Ui): 800 V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8 kV
- RATED ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 50 kA at 400/415 VAC
- RATED SERVICE SHORT-CIRCUIT BREAKING CAPACITY (Ics): 50 kA at 400/415 VAC
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: 400 A frame
- TRIP UNIT TYPE: Electronic
- TRIP UNIT MODEL: Micrologic 2.2
- PROTECTION FUNCTIONS: Long-time (overload) and Instantaneous (short-circuit)
- LONG-TIME PROTECTION ADJUSTMENT (Ir): 0.4 to 1 x In (160 A to 400 A)
- INSTANTANEOUS PROTECTION SETTING (Ii): Fixed at 1.5 to 10 x In (600 A to 4000 A)
- INTERFACE/CONTROL:
- LOCAL INDICATION: Trip indication, ready indication
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Fixed, panel-mounted
- POLLUTION DEGREE: 3
- OPERATING TEMPERATURE RANGE: -25 to 70 degrees C
- STORAGE TEMPERATURE RANGE: -50 to 85 degrees C
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Primary and secondary distribution protection in industrial facilities, commercial buildings, and infrastructure. Suitable for feeder circuits, motor circuits (with appropriate coordination), and general load protection.
- STANDARDS COMPLIANCE: IEC 60947-2