ОПИСАНИЕ ПРОДУКТА
SIEMENS 3WL1112-3CB33-1AJ2-Z C22+K07+M06+M21 - Air Circuit Breaker
This SIEMENS SENTRON 3WL Air Circuit Breaker is a fixed-mounted, 3-pole device engineered for robust protection and control in industrial power distribution systems. It integrates an advanced ETU76B electronic trip unit for precise overcurrent, short-circuit, and ground fault protection, alongside PROFINET communication for seamless integration into modern automation architectures. Designed for critical infrastructure, it ensures reliable operation in applications such as main incomers, generator protection, and large motor feeder circuits.
Technical Specifications:
- SERIES/FAMILY: SENTRON 3WL
- COMPONENT TYPE: Air Circuit Breaker (ACB), Fixed Mounted
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- RATED CURRENT (In): 1250A
- POLES: 3-pole
- FREQUENCY: 50/60 Hz
- ULTIMATE SHORT-CIRCUIT BREAKING CAPACITY (Icu): 55kA at 400V AC
- OPERATING VOLTAGE (CLOSING COIL/MOTOR): 200-240V AC
- SHUNT RELEASE VOLTAGE: 200-240V AC/DC
- UNDERVOLTAGE RELEASE VOLTAGE: 200-240V AC/DC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: 1
- OPERATING MECHANISM: Manual, Stored Energy Spring
- BREAKING CAPACITY CLASS: N (Normal)
- INTERFACE/CONTROL:
- TRIP UNIT: Electronic Trip Unit ETU76B (Advanced)
- AUXILIARY SWITCHES: 8 NO + 8 NC (4NO+4NC standard + 4NO+4NC additional)
- COMMUNICATION PROTOCOL: PROFINET
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Fixed, Panel-mounted
- COOLING METHOD: Natural Convection
- IP RATING: IP20 (front), IP00 (terminals)
- COMPATIBILITY/APPLICATION: Power distribution systems, industrial plants, data centers, generator protection, main incomers, large motor feeder circuits.