OPIS PRODUKTU
SCHNEIDER ELECTRIC 33446 - Molded Case Circuit Breaker
This component is a Compact NSXm series 3-pole molded case circuit breaker, rated for 160A nominal current. It provides thermal-magnetic protection for three phases, designed for isolation, switching, and overload/short-circuit protection in low voltage electrical distribution systems. Primary applications include main and sub-distribution boards, motor protection, and general circuit protection within industrial and commercial infrastructure.
Technical Specifications:
- SERIES/FAMILY: Compact NSXm
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 160A
- POLES: 3-Pole
- PROTECTION TYPE: 3d (3-pole thermal-magnetic protection)
- OPERATIONAL VOLTAGE: 200-690VAC
- FREQUENCY: 50/60Hz
- BREAKING CAPACITY (Icu): Varies by specific model suffix (e.g., 25kA, 36kA, 50kA at 400/415VAC)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: NSXm 160A Frame
- FORM FACTOR: Compact Molded Case
- MOUNTING: Fixed, front connection, compatible with DIN rail or mounting plate
- INTERFACE/CONTROL:
- TRIP UNIT TECHNOLOGY: Thermal-Magnetic (TM-D)
- ADJUSTABILITY: Fixed thermal and magnetic trip settings
- AUXILIARIES: Provision for optional auxiliary contacts, shunt trip, undervoltage release modules
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face when installed in enclosure)
- COOLING METHOD: Natural convection
- OPERATING TEMPERATURE: -25°C to +70°C
- COMPATIBILITY/APPLICATION:
- APPLICATION: Protection of low voltage electrical distribution circuits, motor feeders, transformers, and generators in industrial, commercial, and infrastructure installations. Integration into main and sub-distribution panels.
