ABB | SACE Emax 2
58 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
Accessories | 2 - Circuit diagrams
Continued from the previous page
YO
EKIP Supply
Trip Unit I/O
Ge-
Ge
Szc K2
K1
W4
W3R2
R1
Q4Q3Q2Q1YC
YU
YO2
RTC
I/O
TU
44
42
41
34
32
31
24
22
21
14
12
11
C12
C13
C11
C2
C3
C1
D2
D1
48
46
45
Ne
Rca
Ne-
Gzi
Szo
Szi
Gzo
Rct
Vn
V1
V2
V3
U2
U1
38
36
35
98
96
95
YRMS33S51
Module Module
R1
R2
U2
U1
S33M/1
38
36
35
95
96
98
F1
YR
M
S33M/2
S51
Q/1
Q/2
Q/3
Q/4
14
12
11
21
22
24
31
32
34
41
44
42
YU
D2
D1
YC
C2
C1
C3
K51
YC
K51
YO
C13
C11
C12
YO
RTC
48
46
45
81
71
13
14
12
11
D1
D2
YO2
72
74
73
74
73
75
YC
C2
C1
77
YO
C12
C11
78
76
81
77
75 76
78
72
71
3231
27
26
24
25
K51/SIGN
I 31
K51/SIGN
I 32
K51/SIGN
I 21
K51/SIGN
I 22
K51/SIGN
I 11
25
K51
Rct
Rca
N
K51/MEAS
L1 L2 L3 L3L2L1
VN
K51/MEAS
11
12
13
14
Szi
Szo
Ge+
Rca
Ge-
Rct
K51
24
Gzo
Gzi
Szc
K51
26
Ne+
Ne-
K51
27
O ORTA COMUNIC.
COMMUN. O ORT
K51/COM
W..R
REDUNDANT
RIDONDANTE
61
..
..
66
n
58
..
..
K51/MEAS
51
48
43
42
41
O ORTA COMUNIC.
COMMUN. O ORT
W..
K51/COM
K31
K33
K32
K34
K51/SIGN
O 32
H32
H31
HC3
O 31
K51/SIGN
K21
K23
K22
K24
K51/SIGN
O 22
H22
H21
HC2
O 21
K51/SIGN
VN
V3
V1
V2
K51/SYNC
Vs
VS1
VS2
KS1
KS2
K51/SYNC
XSC
K51/SIGN
O 11
HC1
H11
H12
O 12
K51/SIGN
K51/SIGN
I 12
K14
K12
K13
K11
23
21
20
22
222120
23
32
31
AUX. SUPPLY
ALIM. AUS.
-/N
+/L
LOCAL BUS
K51/..
W3
W4
K2
K1
41
48
51
.. ..
58
43
42
61
.. ..
66
Number of the diagram
Open/closed auxiliary contacts
of the circuit-breaker (first set)
First opening coil
First closing coil
Second opening coil
Undervoltage coil
Contact ready to close
Input of current sensor on the external neutral
Auxiliary power supply and Local Bus
Signalling modules
and/or Ekip synchro check
and/or communication modules
and/or redundant communication modules
Zone selectivity
Input of the TRAFO star centre sensor
Input of the residual-current protection RC sensor
Ekip Measuring voltage sockets
Trip reset coil YR
Closing springs loading motor
Springs charged position signalling contact
Trip signalling contact
Figure 73
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