ОПИСАНИЕ ПРОДУКТА
SIEMENS 3WL1220-4CB36-4AS4-Z R21+S07 - Air Circuit Breaker
This SIEMENS SENTRON 3WL12 series air circuit breaker is a fixed-mounted, 4-pole device engineered for robust overcurrent and short-circuit protection in industrial power distribution systems. It integrates an advanced ETU45B electronic trip unit with LSI protection functions and PROFINET communication, enabling precise monitoring and control within complex automation architectures. Designed for critical applications requiring high breaking capacity and reliable power management, it ensures operational continuity and system integrity.
Technical Specifications:
- SERIES/FAMILY: SENTRON 3WL12
- COMPONENT TYPE: Air Circuit Breaker (ACB)
- ELECTRICAL SPECS:
- RATED CURRENT: 2000A
- RATED OPERATIONAL VOLTAGE: 690VAC
- NUMBER OF POLES: 4-pole
- BREAKING CAPACITY (Icu=Ics): 65kA at 400VAC
- FREQUENCY: 50/60Hz
- MECHANICAL/PHYSICAL:
- MOUNTING TYPE: Fixed-mounted
- OPERATING MECHANISM: Manual, stored energy spring
- FRAME SIZE: 2 (Corresponds to 2000A rating)
- INTERFACE/CONTROL:
- TRIP UNIT: Electronic Trip Unit ETU45B
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- COMMUNICATION PROTOCOL: PROFINET (via R21 option)
- AUXILIARY FUNCTIONS: Specific accessory configuration (S07 option)
- ENVIRONMENTAL/MOUNTING:
- COOLING METHOD: Natural air cooling
- MOUNTING STYLE: Panel-mounted, fixed
- COMPATIBILITY/APPLICATION: Industrial power distribution, motor control centers, generator protection, critical infrastructure, data centers, process automation.