Toshiba HV6AS Instruction Manual page 27

Vacuum circuit breakers – fixed type 4.8 & 7.2kv voltage classes
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OPERATION
Fig. 30 125 VDC Control Circuit Schematic for MU Type Circuit Breaker
+
Fig. 31 125 VDC Control Circuit Schematic for ML Type Circuit Breaker
C4
125 VDC
120 VAC
SUPPLY
SUPPLY
UV
C04
-
+
C4
125 VDC
120 VAC
SUPPLY
SUPPLY
UV
C04
-
ON
PR3
H
SP
D
REC
X-a
LS2
X-a
Y-b
X-b
M
R2
LS3 LS3
R1
X-a
X
NT3
Components Inside Dashed Box Located
On Control Circuit Board
PR3 NT3
H
K
N2
Terminal Layout
(As Viewed From Front of Circuit Breaker)
ON
PR3
H
SP
D
REC
X-a
LS2
X-a
Y-b
X-b
M
R2
LS3 LS3
R1
X-a
X
NT3
Components Inside Dashed Box Located
On Control Circuit Board
PR3 NT3
H
K
N2
Terminal Layout
(As Viewed From Front of Circuit Breaker)
OFF
K
15 14
13 12
Y-a
LS1
a3
a2
a1
b3
Y-b
R4
R3
TC
C
25 24
23 22
Y
RL
GL
N2
C4
C04
OFF
K
A2 A1
B2 B1
Y-a
LS1
a3
a2
a1
b2
Y-b
R4
R3
TC
C
A02 A01 B02 B01
Y
RL
GL
N2
C4
C04
A1
A01
A2
A02
Page 23
Circuit Breaker Components
Shown Inside Box
11
16
15
14
13
b2
b1
a6
a5
a4
b6
21
26
25
24
23
Optional Auxiliary Contacts
(Connect Wires Directly To
Auxiliary Switch Terminals)
Circuit Breaker Components
Shown Inside Box
16
15
14
13
12
b1
b6
b5
b4
a6
26
25
24
23
22
Optional Auxiliary Contacts
(Connect Wires Directly To
Auxiliary Switch Terminals)
B1
B01
B2
B02
12
11
b5
b4
22
21
11
a5
a4
21

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