SIEMENS 3WL Air Circuit Breakers
SIEMENS 3WL Air Circuit Breakers
Every power supply depends upon a reliable infeed of electricity. 3WL air circuit breakers reliably protect electrical installations against damage or fire as a result of short circuits, ground faults, or overload faults.
Heart of the electrical power distribution
3WL air circuit breakers are used as incoming-feeder, coupler, and outgoing-feeder circuit breakers in electrical systems in industry, buildings, and infrastructure applications. They have communications capability and can be easily integrated into higher-level control and energy management systems.
Product range
3WL air circuit breakers are available in four sizes, each featuring a 3- and 4-pole design, and cover a power range from 630 A to 6,300 A. The modular portfolio offers flexibility and provides for easy assembly and subsequent adjustment.
3WL Air Circuit Breakers – versatile and flexible
- Five power levels of the short-circuit breaking capacity for all applications
- Available as circuit breakers and non-automatic circuit breakers in an AC version
- Available as a circuit breaker in a DC version
- Modules can be specially retrofitted for electronic trip units
- Different connection technologies
- Connection option of external input and output modules
- High security standards thanks to hardware protection and signed firmware
3WL Air Circuit Breakers – your benefits at a glance
- Increased flexibility due to the modular portfolio
- Increased plant availability and power transparency thanks to functions for communication and energy data acquisition
- Long service life of equipment thanks to easy replacement of main contact elements and individual arc chutes
- Efficient operation through the provision of energy data and ready-to-close indicator
- Consistent, end-to-end communication capability
- Compliance with worldwide IEC & UL standards
- Product proven worldwide
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