3.3 Accessories for communication link, remote switching, and I/O
modules
① Position signaling switch of the circuit breaker in the guide frame (COM PSS), not shown in the gure.
② Breaker Connect module, external power supply
③ Communication modules
④ Digital I/O module IOM040
⑤ Ready-to-close signaling switch for communication (COM RTC) - only available for the version with a spring energy
store
⑥ Actuation module for remote operation (COM ACT) - only available for the version with a spring energy store
⑦ ETU
⑧ Metering function
Position signaling switch communication (COM PSS)
Via the communication link, the position signaling switch COM PSS provides the signal
indicating whether the circuit breaker in the guide frame is inserted or removed.
Accessories
3.3Accessories for communication link, remote switching, and I/O modules
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
106 Equipment Manual, 10/2023, L1V30499596002-03
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