ОПИСАНИЕ ПРОДУКТА
SIEMENS 3WL1112-2EB35-1AA2 - Air Circuit Breaker
The SIEMENS 3WL series air circuit breaker is a fixed-mounted, 3-pole device engineered for robust overcurrent and short-circuit protection in industrial power distribution systems. Featuring an advanced Electronic Trip Unit (ETU76B), this component provides precise LSI (Long-time, Short-time, Instantaneous) protection, making it suitable for main incoming feeders, generator protection, and motor control centers within switchgear assemblies. Its design ensures reliable operation and system integrity in demanding industrial environments.
Technical Specifications:
- SERIES/FAMILY: SIEMENS 3WL
- COMPONENT TYPE: Air Circuit Breaker (ACB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 1250A
- RATED OPERATIONAL VOLTAGE: 690V AC
- NUMBER OF POLES: 3
- BREAKING CAPACITY: Standard (N), 55kA at 400V AC
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- MOUNTING TYPE: Fixed-mounted
- FRAME SIZE: 1250A frame
- CONNECTION TYPE: Front connection terminals
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Electronic Trip Unit ETU76B
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- COMMUNICATION: None
- ENVIRONMENTAL/MOUNTING:
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Panel-mounted, fixed installation
- IP RATING: IP20 (front, when installed in enclosure)
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Main incoming feeders, generator protection, industrial power distribution systems, motor control centers, switchgear assemblies