Siemens SENTRON 3WA1 - Page 278

Accessories
4.4 Accessory auxiliary switches and signaling switches
3WA1 air circuit breaker
276 Equipment Manual, 02/2023, 92310000002-06
PSS111 COM and PSS400 COM position signaling switch modules
(1)
Signaling switches for connection to communications module A
(2)
Signaling switches for conventional method of connection
The following signaling switches are available in the PSS COM position signaling
switch module:
PSS111 COM signaling switch
PSS400 COM signaling switch
• 1 x connected position
S34
• 1 x test position
S31
• 1 x disconnected position
S30
• Two signaling switches for connection to
communications module A
– DISC: Disconnected position
(DISCONNECT)
S48
– ABS: No circuit breaker in the guide
frame (ABSENT)
S49
• 4 x connected position
S31, S33, S34, S35
• Two signaling switches for connection to
communications module A
– DISC: Disconnected position
(DISCONNECT)
S48
– ABS: No circuit breaker in the guide frame
(ABSENT)
S49
The signaling contacts for the connected position, test position and disconnected
position of the PSS COM position signaling switch module are designed as changeover
contacts.
The DISCONNECT (ABSENT) signaling contacts are normally open contacts.
The graphic below shows the signal diagram of the PSS111 COM and PSS400 COM
position signaling switch modules:
3)
3)
Only from 01/2023 - this accessory item will contain push-in terminals instead of
spring-loaded terminals, just like the new PSS600 design. The connector for the COM
connections will be eliminated (also implemented as a terminal)