13
!
SAFETY
FOR LIFE
Auxiliary Switch (KA46GV3)
The auxiliary switch, mounted to the top of the operator
cabinet, in a weather-proof housing, is used for relaying
or interlocking schemes and remote contact indication.
A three-stage auxiliary switch is provided. Each stage
consists of two independent contact assemblies with
either “a” (normally open) or “b” (normally closed) con-
tacts which can be easily changed in the field. A data
plate attached to the switch cover shows the switch
arrangement. Related switch contact positions are
shown in Table 5.
The switch is permanently wired to two multipin recepta-
cles in the bottom of the operator cabinet. Table 6 shows
the pin arrangement of the the mating plug shown in
Figure 14.
The switch contacts are insulated for 600 V and have a
continuous current rating of 10 A. Their interrupting rat-
ings are shown in Table 7.
Switching positions can be changed from “a” or “b” oper-
ation by repositioning the cams inside each switch sec-
tion. To change any cam position, complete the following:
1.
Remove the auxiliary switch cover.
2.
Detach the switch from the switch link by removing
the groove pin and C-rings.
3.
Remove the machine screws attaching the assembly
to the cabinet.
4.
With the switch removed, unfasten the two hex nuts
and lockwashers from the long machine screws that
hold the switch sections together.
5.
Starting with the rear switch section, lift the cams off
the operating shaft, replacing the cams in one of the
positions shown in Figure 15.
6.
Reposition the switch sections together, reassemble
the auxiliary switch, and remount the switch on the
sectionalizer.
13
S270-20-3
When Sectionalizer Contacts Are
Closed
Open
Auxiliary “a” contacts are
Closed
Open
Auxiliary “b” contacts are
Open
Closed
Table 5
Related Switch Contact Positions
H
A
B
C
D
E
F
G
Figure 14.
Auxiliary Switch Connector Plug.
Rubber grommet accommodates 0.750” to 0.812”
O.D. Cable No. 12 AWG Max Conductor size
Pin G
Keyway
Pin insert
Table 6
Switch Leads to Receptacle Terminals
Switch Stages
Switch Receptacle Switch
Terminal
Pin
Contact
1
A
“b”
Stage 1
2
B
3
C
“a”
Rear
4
D
5
E
Receptacle
“b”
Stage 2
6
F
7
G
“a”
8
H
9
A
“b”
Stage 3
10
B
Front
11
C
Receptacle
“a”
12
D
Table 7
Interrupting Ratings - Switch Contacts
Inductive
Non-Inductive
Inductive
Non-Inductive
Volts
ac
ac
dc
dc
(A)
(A)
(A)
(A)
24 dc
—
—
15
20
48 dc
—
—
7.5
10
120 ac
60
80
—
—
125 dc
—
—
1.5
2
240 ac
30
60
—
—
250 dc
—
—
0.45
0.5
