ELECTR I CAL DI AGR AMS
9/9
— Terminal box E2.2 - E4.2 - E6.2
n
Diagram figure number
14 12 11 21 22 24 31 32 34 41 44 42
Q/4
Q/3
Open/closed auxiliary contacts of the circuit breaker (first set)
81
81
Q/2
Q/1
C22 C21 C13 C11 C12
79
Second closing coil
79
C12 C11
K51
75
76
First shunt trip
75 77 78 76
YO
C1
C2 C1
K51
77
73 74 78
First closing coil
C2 C3
YC
D1
D1 D2
Second shunt trip or undervoltage coil
72
71 72 73 74
D2
48 46 45
Ready to close contact
RTC
71
in alternative
41
48
K51/SYNC
K51/SIGN
I 12 K14 K12
KS1 KS2
K51/SIGN
H12
XSC
K51/SYNC Vs
K51/SIGN
H11
K51/SIGN
VS1 VS2
K13 K11
I 11
HC1
Signalling modules
41
42 43
42
61 .. .. 66 58 .. .. 51
K51/COM
K51/SIGN
K22 K24
K51/SIGN
H22
I 22
48
and/or Ekip Synchrocheck
W..
K51/SIGN
H21
K51/SIGN
K21 K23
..
..
51
58
I 21
HC2
and/or communication modules
..
43
and/or redundant communication modules
61 ..
66
K51/SIGN
K51/COM
K32 K34
K51/SIGN
H32
I 32
W..R
K51/SIGN
H31
K51/SIGN
K31 K33
I 31
HC3
K51/..
W4 W3
31 32
K1
+/L -/N
ALIM. AUS. AUX. SUPPLY
K2
31 32
Auxiliary supply and local bus
K51
Ne+ Ne-
27
K51
26 27
Current sensor input on external neutral Zone selectivity Transformer star centre sensor input RC residual current protection sensor input Measurement module Remore reset Motor Contact for signalling position of loaded springs Trip signalling contact
Szi Szo Gzo Gzi Szc
K51
K51
26
Ge+ Rca Ge- Rct
24 24A
Ge+ Ge-
25
25
K51/MEAS
K51/MEAS
K51/MEAS
24A
24
VN
VN V1 V2 V3
21 22
20
23
20 21 22
23
N
L1 L2 L3
L3 L2 L1
R1
11 12 13 14
13 14
R2
F1
S33M/1
U1
M
U2 38 36 35 95 96 98 04 02 94 92 84 82 74 72 01 91 81 71 64 62 52 54 61 51
S33M/2
12 11
S51
K51/SIGN
K6 K10
K51/SIGN
Q/10
H4
O 04
K51/SIGN
K5 K9 K4 K8 K7 K3
Ekip signalling 4K
K51/SIGN
Q/9
2
H3
O 03
K51/SIGN
K51/SIGN
Q/8
H2
O 02
Supplementary auxiliary contacts of circuit breaker
1
K51/SIGN
K51/SIGN
Q/7
H1
O 01
Q/6
HC
Q/5
in alternative
2
1
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