3.3
Accessories for communication link and I/O modules
Nodes on the internal circuit breaker CB bus
①
Position signaling switch of the circuit breaker in the guide frame (COM PSS), not shown in the figure.
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)
⑥
Actuation module for remote operation (COM ACT)
⑦
ETU
⑧
Metering function
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01
3.3 Accessories for communication link and I/O modules
Accessories
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