7
U
aux
Auxiliary voltage
TS1...TS3, CBCS
Output relays (heavy-duty)
SS1...SS4
Output relays
IRF
Self-supervision output relay
BS1, BS2
Control signals 1 and 2
CBPOS
Circuit breaker status data
ARINH
Signal for AR interruption and inhibition
ARCTRL
Control signal for auto-reclosing
SS1...SS4
TS1...TS3, IRF
Output signals
CBCS
Signal for circuit breaker closing
U1
Combined overcurrent and earth-fault relay module SPCJ 4D28
U2
Combined overcurrent and earth-fault relay module SPCJ 4D28/E351
U3
Auto-reclose relay module SPCT 5D54
U4
I/O module
U5
Energizing input module
SERIAL PORT
Serial communication port
SPA-ZC
Bus connection module
Rx/Tx
Fibre-optic cable connections
Made in Finland
= 63
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
X0
5
1
2
3
4
6
37
38
39
X2
X1
Serial Port
SPA
CBCS
BS2
CBPOS ARINH ARCTRL
TS3
BS1
IRF
SS1
SS2
SS3
SS4
TS1
TS2
7
8
9
14
61
62
63
13
16
25
26
27
17
28
29
I
L1
I
L2
I
L3
I
0B
U
aux
U
12
U
23
U
0
I
0
Fig. 2. Terminals of feeder protection relay SPAA 341 C /E351.
Summary of Contents for SPAA 341 C /E351
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