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Type S Automatic Load-Transfer Control Installation, Operation, and Maintenance Instructions
10
SOURCE I AND SOURCE II MUST
PRESENT THE SAME PHASE
ROTATION TO THE LOAD.
TYPE TSC SWITCH
WITH KA5TSC1 CT ACCESSORY
LOAD TAP
SOURCE I
N
A
B
C
SOURCE II
N
X
Y
Z
POTENTIAL
SENSING
TRANSFORMERS
500 VA MIN
120 VAC, 60 HZ
SECONDARIES
RECEPTACLE AND PLUG
FURNISHED WITH KA5TSC1
WIRING ACCESSORY
S CONTROL
TRANSFER SWITCH OPERATORS
TB1
TB2
POTENTIAL SENSING
TRANSFORMERS
"PT"
"PT"
"SW"
"SW"
NOTE: FOR SINGLE-PHASE SENSING
JUMPER TERMINAL A TO B TO C AND
TERMINAL X TO Y TO Z ON TB2
FACTORY-WIRED RECEPTACLE
AND PLUG ACCESSORY KCN55SB
(IF ACCESSORY IS NOT SPECIFIED,
WIRE SWITCH CONTROLS DIRECTLY
TO TB1, PT'S TO TB2, AND CT'S TO TB5.)
ABC
D
E
F
A
B
C
D
E
F
A
BC
D
E
F
A
BC
D
E
F
A
B
C
D
E
F
A
B
C
D
E
F
A
B
C
D
E
F
A
B
C
D
E
F
A
B
C
D
E
A
B
C
D
E
A
B
C
D
E
A
B
C
D
E
A
B
C
G
1 G2
X
Y
Z
11
15
14
13
16
26
23
24
25
21
G1
G2
GRN
RED
BLK
BLK
WHT
WHT
GRN
RED
GRN
WHT
RED
BLK
BLU
ORG
GRN
WHT
RED
BLK
BLU
ORG
M
CLOSE
OPEN
a1
b1
M
CLOSE
OPEN
a1
b1
TYPE TSC SWITCH
WITH KA5TSC1 CT ACCESSORY
A
BC
D
E
F
A
BC
D
E
F
G
H
G
H
a
1
a2
A
BC
D
E
F
A
BC
D
E
F
G
H
G
H
POTENTIAL
SENSING
TRANSFORMERS
500 VA MIN
120 VAC, 60 HZ
SECONDARIES
"CT"
A
B
C
D
E
F
A
B
C
D
E
F
G
H
J
K
G
H
J
K
GRN
RED
BLK
YEL
BLU
ORG
WHT
WHT
GRN
RED
BLK
YEL
BLU
ORG
A
B
C
D
E
F
A
B
C
D
E
F
G
H
J
K
G
H
J
K
17
18
IA
IB
IC
IX
IY
IZ
27
28
IN
IN
FAULT BLOCK ACCESSORY
Figure 6.
Connection diagram for Type S load-transfer control (with fault block accessory) operating the Type TSC
three-phase switch. (The transformer cutouts, tap fuses, reclosers, and arresters are not shown.)