Siemens UL 1066 - Internal Modules

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9.2.2 Internal modules
9.2.2.1 Breaker Status Sensor (BSS)
For collecting circuit breaker status information via signaling switches and transmitting these data to the c.
Signaling switches for BSS
(1) Spring charge signaling switch
(2) Signaling switch OPEN / CLOSE position S44
(3) Ready-to-close signaling switch
(4) S45 Bell Alarm signaling switch
(5) Signaling switch for connected position S46
(6) Signaling switch for test position S47
(7) Signaling switch for disconnected position S48
(8) Signaling switch S43 UVR or 2nd shunt trip
0206-3
Trip Unit
UVR or 2nd shunt trip
Springs
c
(1)
(2)
(3)
(4)
(5) (6)
(7)
(8)