SACE EMAX 2 NEW LOW VOLTAGE POWER C I RCUI T BRE AKERS TO ANS I C37 / UL 1066 / CSA STANDARDS
9/8
— Terminal box E1.2
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 circuit breaker (first set)
81
81
Q/2
Q/1
C13 C11 C12
C12 C11
K51
75
76
First opening coil
75
76
YO
C1
C1
First closing coil
K51
77
78
C2 C3
77 78
YC
C2
73 74
Second shunt trip or undervoltage release
D1
D1
72
71 72 73 74
D2
D2
Ready to close contact
48 46 45
in alternative
RTC
71
41
48
K51/SYNC
K51/SIGN
K12 K14
O SC KS2 KS1
K51/SIGN
H12
I 12
Vs K51/SYNC
K51/SIGN
H11
K51/SIGN
VS2 VS1
K11 K13
Signalling modules
41
42 43
I 11
HC1
42
51 .. .. 58 66 .. .. 61
K51/COM
K51/SIGN
48
and/or Ekip Synchrocheck
K24 K22
K51/SIGN
H22
I 22
W..
K51/SIGN
..
..
H21
51
58
K51/SIGN
K23 K21
and/or communication modules
I 21
HC2
..
61 ..
66
43
K51/SIGN
and/or redundant communication modules
K51/COM
K34 K32
K51/SIGN
H32
I 32
W..R
K51/SIGN
H31
K51/SIGN
K33 K31
I 31
HC3
K51/..
Auxiliary supply and local bus
31 32
W4 W3
31 32
K1
+/L -/N
ALIM. AUS. AUX. SUPPLY
K2
K51
26 27 25
Current sensor input on external neutral Zone selectivity Transformer star centre sensor input RC residual current protection sensor input Measurement module
Ne- Ne+
27
K51
Szc Gzi Gzo Szo Szi
K51
K51
26
Rct Ge- Rca Ge+
24 24A
Ge – Ge +
25
24 24A
K51/MEAS
K51/MEAS
K51/MEAS
V2 V3 V1 VN
VN
22 21
20 21 22 23
20
23
N
L3 L2 L1
L1 L2 L3
14 13 12 11
Remote reset Motor Contact for signalling position of loaded springs Trip signalling contact
R1
13 14
R2
F1
S33M/1
U1
M
U2 38 36 35 95 96 98
S33M/2
12 11
S51
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