Circuit-Breaker Terminal Box - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User

Circuit-breaker terminal box The circuit-breaker is equipped with a terminal box for the wiring of the accessories that varies according to
57 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
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The wiring diagram of the circuit breaker is illustrated without any indication of the auxiliary power supply of
the Ekip trip unit. If the circuit-breaker is equipped with the Ekip Supply module, for information see the page
62.
If the circuit-breaker is not equipped with the Ekip Supply module, for the connection of the auxiliary power
supply of the Ekip trip unit see the direct power supply diagram shown below:
Diagram 31 - Direct auxiliary power supply
the type of circuit-breaker:
• Terminal box for circuit-breaker in fixed version.
• Terminal box for circuit-breaker in withdrawable version.
The differences between the two terminal boxes are shown in Figure 72 :
95 35 V3 Vn Ge+ Szi
R1
96 V2
36 U1 R2
Rct Szo
Ge-
98 38 V1 Gzo Szc Gzi
U2
S33
S51 M YR Trip Unit I/O
Vn Ge+ Szi
95 V3
35 R1
R2
36 U1 V2 Rct Ge- Szo
96
V1 Gzo Szc Gzi
98 38
U2
S51 S33 M YR Trip Unit I/O
Figure 72
On page 58, the representation of the terminal box for a circuit-breaker in fixed version is shown.
NOTE: for the details of the wiring diagram of each individual accessory, please refer to the
specific pages that describe the accessory in question.
*
P)
-
Uaux.
+
24VDC
A4
*
N)
X
K1 K2
XV
K1 K2
K51
A1
EKIP
XV
W3 W4
X
W3 W4
*
Q)
A4
(A) (B)
W2 (LOCAL BUS)
*
A)
K2 W4
Ne-
Ne+ K1 W3
Rca
EKIP Supply Module
EKIP Supply
Module Module
ABB | SACE Emax 2
31
45 D1 C1 C11 11
C3 C13 12
46
48 D2 14
C2 C12
YU
RTC
Module YC YO Q1
YO2
Ne-
D1 C1 C11 11 21 31 41
45
W3 K1 Ne+ C3 C13 12
46
W4
K2 Rca 48 D2 C2 C12 14
TU YU
RTC YC YO Q1 Q2
I/O YO2
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Accessories | 2 - Circuit diagrams
21 31 41
42
22 32
24 34 44
Q2 Q3 Q4
22 42
32
24 34 44
Q3 Q4