PRODUCT DESCRIPTION
SIEMENS 3WL1340-4EB36-5FA4-Z C22+K07+R30+R21 - Air Circuit Breaker
The SIEMENS 3WL1340-4EB36-5FA4-Z C22+K07+R30+R21 is a 3-pole, withdrawable air circuit breaker engineered for primary protection and switching in industrial power distribution systems. It integrates an advanced electronic trip unit (ETU) for precise overcurrent, short-circuit, and ground fault protection, suitable for applications requiring high breaking capacities and sophisticated control, such as main incomers, feeder protection, and generator protection in switchgear assemblies. This unit features PROFINET communication for seamless integration into automation networks.
Technical Specifications:
- SERIES/FAMILY: SIEMENS 3WL Air Circuit Breaker
- COMPONENT TYPE: Air Circuit Breaker (ACB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 4000 A
- NUMBER OF POLES: 3
- RATED OPERATIONAL VOLTAGE: Up to 690 VAC
- RATED FREQUENCY: 50/60 Hz
- RATED SHORT-CIRCUIT BREAKING CAPACITY (Icu): 80 kA at 400/415 VAC (N-version)
- RATED SHORT-CIRCUIT WITHSTAND CURRENT (Icw): 80 kA for 1s
- MECHANICAL/PHYSICAL:
- INSTALLATION TYPE: Withdrawable
- CONNECTION TYPE: Front connection
- OPERATING MECHANISM: Motor-operated, stored energy
- FORM FACTOR: Industrial switchgear component
- INTERFACE/CONTROL:
- TRIP UNIT: Electronic Trip Unit (ETU76B equivalent)
- PROTECTION FUNCTIONS: Long-time (L), Short-time (S), Instantaneous (I), Ground Fault (G)
- COMMUNICATION PROTOCOL: PROFINET (via C22 option)
- RELEASES: Shunt Trip Release (via K07 option)
- AUXILIARY CONTACTS: 4 Normally Open (NO) + 4 Normally Closed (NC) (via R30 option)
- COILS: Closing Coil (via R21 option)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminal area, internal components)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Panel-mounted within switchgear
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Main incomers, feeder protection, generator protection, bus coupler applications
- MACHINE TYPES: Industrial power distribution systems, switchgear assemblies, data centers, heavy industry infrastructure