Siemens SENTRON 3WA1 - Accessory Auxiliary Switches and Signaling Switches; Overview; Auxiliary Switches S1 to S8; Description

Accessories
4.4 Accessory auxiliary switches and signaling switches
3WA1 air circuit breaker
266 Equipment Manual, 02/2023, 92310000002-06
4.4 Accessory auxiliary switches and signaling switches
4.4.1 Overview
(1)
Position signaling switch module (PSS/PSS COM) for the guide frame (S30 to S35, S48, S49)
(2)
Second trip alarm switch (S25)
(3)
Ready-to-close signaling switch (S20)
(4)
First auxiliary switch block (S1, S2)
(5)
Second auxiliary switch block (S3/S4, S7/S8)
(6)
Spring charge signaling switch (S21)
4.4.2 Auxiliary switches S1 to S8
4.4.2.1 Description
The auxiliary switches (AUX) signal the open or closed position of the circuit breaker.
A maximum total of four auxiliary switches S1 to S4 with two contacts each can be
installed.