PRODUCT DESCRIPTION
SIEMENS 3WL1232-4BB65-5FM2 - Fixed-Mounted Air Circuit Breaker
This SIEMENS SENTRON 3WL12 series fixed-mounted air circuit breaker is a 3-pole device designed for robust protection and control in industrial power distribution systems. It integrates an advanced electronic trip unit for precise overload, short-circuit, and ground fault protection, ensuring operational reliability and system integrity. Engineered for main, feeder, and generator applications, this component facilitates comprehensive energy management and fault isolation within critical infrastructure.
Technical Specifications:
- SERIES/FAMILY: SENTRON 3WL12 Air Circuit Breaker
- COMPONENT TYPE: Fixed-Mounted Air Circuit Breaker, 3-Pole
- ELECTRICAL SPECS:
- RATED CURRENT (In): 3200A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000VAC
- RATED FREQUENCY: 50/60 Hz
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu): Typically 65kA or 80kA at 400VAC (High Breaking Capacity)
- RATED SHORT-CIRCUIT OPERATING CAPACITY (Ics): 100% of Icu
- MECHANICAL/PHYSICAL:
- POLES: 3
- FORM FACTOR: Fixed-mounted
- OPERATION: Manual or Motorized (depending on accessory configuration)
- INTERFACE/CONTROL:
- TRIP UNIT: Electronic Trip Unit (ETU), likely ETU76B, with LSI (Long-time, Short-time, Instantaneous) and G (Ground Fault) protection functions
- COMMUNICATION: Integrated communication capability, typically supporting PROFINET, Modbus TCP, or PROFIBUS DP (depending on accessory configuration)
- AUXILIARY CONTACTS: Configurable for status indication and control
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Fixed-mounted in switchgear or control panels
- COOLING METHOD: Natural convection (air-cooled)
- PROTECTION DEGREE: Typically IP20 (front side, when installed)
- COMPATIBILITY/APPLICATION: Main circuit breaker, feeder breaker, generator protection, industrial power distribution, infrastructure, and building management systems.