ОПИСАНИЕ ПРОДУКТА
SCHNEIDER ELECTRIC LV438293 - Molded Case Circuit Breaker
The SCHNEIDER ELECTRIC LV438293 is a ComPact NSX400N series 4-pole molded case circuit breaker, engineered for robust electrical distribution protection in industrial and commercial environments. It integrates an electronic Micrologic 2.2 trip unit, providing precise overload and instantaneous short-circuit protection for critical infrastructure, motor control centers, and panelboard applications. This device ensures reliable circuit isolation and fault interruption in accordance with IEC 60947-2 standards.
Technical Specifications:
- SERIES/FAMILY: ComPact NSX400N
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 400 A
- POLES: 4P
- NOMINAL OPERATIONAL VOLTAGE (Ue): 440 VAC
- NOMINAL INSULATION VOLTAGE (Ui): 690 VAC
- ULTIMATE BREAKING CAPACITY (Icu): 50 kA at 400/415 VAC
- SERVICE BREAKING CAPACITY (Ics): 100% of Icu
- TRIP UNIT TYPE: Electronic Micrologic 2.2
- PROTECTION FUNCTIONS: Long-time (Overload), Instantaneous (Short-circuit)
- LONG-TIME PROTECTION THRESHOLD (Ir): Adjustable from 0.4 to 1 x In (160 A to 400 A)
- INSTANTANEOUS PROTECTION THRESHOLD (Ii): Fixed at 12 x In (4800 A)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: NSX400
- TERMINAL TYPE: Front connection
- INTERFACE/CONTROL:
- INDICATORS: Trip indication, Ready indication (LEDs)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face with door escutcheon), IP20 (terminals)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Fixed, on backplate or DIN rail (with adapter)
- OPERATING TEMPERATURE RANGE: -25 to 70 degrees C
- COMPATIBILITY/APPLICATION:
- STANDARDS: IEC 60947-2
- APPLICATIONS: Industrial power distribution, commercial building infrastructure, motor protection, generator protection, panelboards, switchboards.
