3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
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3WL air circuit breakers
3
3.1 Introduction and overview
Alongside the traditional circuit breaker tasks such as protecting plants, transformers,
generators and motors, additional requirements have been added:
● A complete overview of the plant from a central control room is required
● All the information must be available at all times
Networking of the switches with each other and with other components is the defining feature
of a modern power distribution system. The 3WL family of air circuit breakers also offers:
● Remote diagnostics and service over the Internet
● Operating personnel is informed in good time of faults in the plant
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