ABB SPAS 348 C User Manual And Technical Description page 17

ABB Automation
When the switches are set as shown on page 16
the output contacts of SPAS 348 C have the
following functions:
Contact Relay Function
X2/12-13 SS1 Earth fault detected only by the delayed alarm stage U
X2/3-4 TS1 CPFP (= Circuit-Breaker Failure Protection)
X2/9-11 SS2 Blocking signal to the earth-fault current relays of the feeders
X2/1-2 TS2 Circuit breaker trip signal (infeeder circuit breaker)
X2/7-8 SS3 Alarm signal, overcurrent trip
X1/15-16 TS3 Trip signal U
X2/5-6 SS4 Alarm signal, earth-fault trip
X1/11-14 TS4 Not used
> for bus section breaker or feeders most prone to faults
0b
>
0b
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