ОПИСАНИЕ ПРОДУКТА
SIEMENS 3WL1340-4AA78-5FA4 - Fixed-Mounted Air Circuit Breaker
This SIEMENS 3WL1 series fixed-mounted air circuit breaker is engineered for robust protection and control in industrial power distribution systems. It features a 4000A frame, 4-pole configuration, and an ETU300 electronic trip unit providing LSI (Long-time, Short-time, Instantaneous) protection. Designed for main incoming, feeder, and coupling applications, it ensures reliable circuit interruption and system integrity up to 690V AC.
Technical Specifications:
- SERIES/FAMILY: 3WL1 Air Circuit Breaker
- COMPONENT TYPE: Fixed-Mounted Air Circuit Breaker
- ELECTRICAL SPECS:
- RATED CURRENT (FRAME SIZE): 4000A
- NUMBER OF POLES: 4-pole
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- RATED FREQUENCY: 50/60 Hz
- BREAKING CAPACITY: Standard (N-type)
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- MECHANICAL/PHYSICAL:
- OPERATING MECHANISM: Motorized Stored Energy Mechanism
- FORM FACTOR: Fixed-mounted, designed for panel integration
- TERMINAL CONNECTION: Standard industrial terminal connections
- INTERFACE/CONTROL:
- TRIP UNIT: ETU300 Electronic Trip Unit
- CONTROL VOLTAGE: Configurable for motorized operation and releases (e.g., 24V DC, 110-127V AC/DC, 220-240V AC/DC)
- AUXILIARY CONTACTS: Included as part of specific configuration (e.g., auxiliary switches, alarm switches)
- RELEASES: Included as part of specific configuration (e.g., shunt release, undervoltage release)
- COMMUNICATION: Not inherently included with ETU300 external modules required for advanced communication
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Fixed-mounted for panel integration
- COOLING METHOD: Natural Air Cooling
- IP RATING: Typically IP20 (front side, when installed in an enclosure)
- COMPATIBILITY/APPLICATION: Primary circuit protection for main incoming, feeder, and coupling applications in industrial, commercial, and infrastructure power distribution systems. Suitable for systems requiring high current interruption, selective coordination, and advanced electronic protection.