PRODUCT DESCRIPTION
SIEMENS 3WL1232-3EG66-4GA4-Z F02 - Air Circuit Breaker
This SIEMENS 3WL series fixed-mounted air circuit breaker is engineered for robust protection and control in low-voltage power distribution systems. It integrates an advanced electronic trip unit (ETU76B) for precise overload, short-circuit, and ground fault protection, suitable for critical industrial infrastructure, data centers, and large commercial installations requiring high breaking capacities and selective coordination. The unit features an electrical operating mechanism and comprehensive auxiliary controls for remote operation and status monitoring.
Technical Specifications:
- SERIES/FAMILY: 3WL
- COMPONENT TYPE: Air Circuit Breaker, Fixed Mounted
- ELECTRICAL SPECS:
- RATED CURRENT (In): 3200A
- NUMBER OF POLES: 3-Pole
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu): 66kA at 400/690V AC
- OPERATING MECHANISM: Electrical
- TRIP UNIT: ETU76B (Advanced Electronic Trip Unit)
- SHUNT RELEASE: 24V DC
- UNDERVOLTAGE RELEASE: 24V DC
- MOTOR FOR CHARGING ENERGY STORAGE: 24V DC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: 2
- MOUNTING: Fixed
- INTERFACE/CONTROL:
- AUXILIARY SWITCHES: 4 Normally Open (NO) + 4 Normally Closed (NC)
- COMMUNICATION: Integrated communication capabilities (e.g., PROFIBUS DP, PROFINET IO - specific to Z F02 option)
- PROTECTION FUNCTIONS: Overload (L), Short-Circuit (S, I), Ground Fault (G) via ETU76B
- ENVIRONMENTAL/MOUNTING:
- COOLING: Natural Air Convection
- PROTECTION RATING: IP20 (Front, when installed in panel)
- COMPATIBILITY/APPLICATION: Low-voltage power distribution, industrial plants, data centers, infrastructure, motor control centers, generator protection.