ABB SACE Emax E1.2 Operating Instructions For The Design Engineer page 178

Sace emax 2 series low voltage air circuit-breakers
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Terminal box for a circuit-breaker in fixed version:
77
75
72
41
K51/SIGN
K51/SIGN
H12
K51/SIGN
H11
K51/SIGN
HC1
42
K51/SIGN
K51/SIGN
H22
K51/SIGN
H21
K51/SIGN
HC2
43
K51/SIGN
K51/SIGN
H32
K51/SIGN
H31
K51/SIGN
HC3
K51
Rct
25
24
Rca
K51/MEAS
21
20
22
N
L1 L2 L3
K51/SIGN
H4
K51/SIGN
H3
K51/SIGN
H2
K51/SIGN
H1
HC
2
172 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Q/4
Q/3
81
Q/2
Q/1
C21
79
C22
C11
K51
78
C13
C12
YO
C12
C1
76
K51
C2
YC
73
D1
74
D2
RTC
71
K51
Ne+
27
Ne-
K51/..
31
32
+/L
ALIM. AUS.
AUX. SUPPLY
-/N
48
K51/SYNC
K12
KS1
I 12
XSC
K14
KS2
K51/SYNC
Vs
VS1
K11
I 11
VS2
K13
51
K51/COM
K22
..
I 22
K24
W..
..
K21
I 21
K23
58
61
K51/COM
K32
..
I 32
K34
W..R
..
K31
I 31
K33
66
K51
Szo
K51
26
Gzi
Rct
Gzo
Rca
Szc
Ge+
Ge-
K51/MEAS
K51/MEAS
VN
23
L1
L2
L3
14
F1
S33M/1
M
13
S33M/2
12
S51
11
K51/SIGN
K6
Q/10
O 04
K10
K51/SIGN
K5
Q/9
O 03
K9
K51/SIGN
K4
Q/8
O 02
K8
K51/SIGN
K3
Q/7
O 01
K7
Q/6
Q/5
42
44
41
32
34
31
Open/closed auxiliary contacts
22
of the circuit-breaker (first set)
24
21
12
14
11
Second closing coil
C11
First opening coil
C1
First closing coil
C3
C2
Second opening coil
D1
Undervoltage coil
D2
Contact ready to close
46
48
45
Input of current sensor on the external neutral
W3
W4
K1
K2
Signalling modules
and/or Ekip Synchrocheck
and/or communication modules
and/or redundant communication modules
Szi
Zone selectivity
Input of the TRAFO star centre sensor
Input of the residual-current protection RC sensor
VN
V1
Ekip Measuring voltage sockets
V2
V3
Trip reset coil YR
R1
R2
Closing springs loading motor
U1
U2
36
Charged spring signalling contact
38
35
96
Trip signalling contact
98
95
02
04
01
92
Ekip Signalling 4K
94
91
82
Additional auxiliary contacts
84
81
of the circuit-breaker (second set)
72
74
71
62
64
61
52
54
51
1
n
Number of the diagram
Accessories | 2 - Wiring diagrams
ABB | SACE Emax 2
81
79
77
78
75 76
72
73
74
71
27
31
32
41
42
43
48
..
..
51
58
61 ..
..
66
26
25
24
20
21
22
23
14
13
12
11
2
1
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