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APPLICATION SPECIFIC SWITCHES
SERIES 20 ROTARY SWITCHES
3-phase, three current-
transformers, three current-coils
Depth Behind Panel: 3.6"
Handle: Round, Knurled
Engraving and jumpering as shown
CONTACTS
POS.
2
4
1
3
5
7
9
1 1
1 3
1 5
1 7
1 9
1
2
3
4
5
6
8
1 0
1 2
1 4
1 6
1 8
2 0
WATTMETER
ON
OFF
WATTMETER-Transfer Switch
WATTMETER-
Reversing Switch
3-phase, three current-transformers
Depth Behind Panel: 2.6"
Handle: Round, Knurled
Engraving and jumpering as shown
CONTACTS
POS.
113
5
7
9
1 1
2
2
4
6
8
1 0
1 2
1
3
2
3
CONTACTS
POS.
113
5
7
9
1 1
1 3
1 5
1 7
1 9
2
2
4
6
8
1 0
1 2
1 4
1 6
1 8
2 0
1
3
2
3
4
5
AMMETER
3
1
2
OFF
AMMETER
3
1
2
AMMETER
3
1
2
OFF
OFF
AMMETER-VOLTMETER
3
1
2
OFF
3-phase, three
current-transformers,
three independent
circuits
Depth Behind Panel: 4.1"
Handle: Round, Knurled
Engraving and jumpering
as shown
3-phase, phase-to-phase,
three current-transformers
Depth Behind Panel: 3.6"
Handle: Round, Knurled
Engraving and jumpering as shown
3-phase, two current-transformers,
one or two current-coils
Depth Behind Panel: 2.0"
Handle: Round, Knurled
Engraving and jumpering as shown
CONTACTS
POS.
2
4
1
3
5
7
1
2
6
8
P.F. METER
ON
OFF
Machine-to-bus with interlocks
Depth Behind Panel: 2.7"
Handle: Oval, Removable
Engraving and jumpering as shown
CONTACTS
POS.
2
4
1
3
5
7
1
2
6
8
SYNCHROSCOPE
ON
OFF
Split-field motor
Depth Behind Panel: 1.5"
Handle: Pistol-Grip
Action: Spring-Return to Vertical
Engraving and jumpering as shown
CONTACTS
POS.
2
4
1
3
1
MOTOR CONTROL
LOWER
RAISE
3-phase, two current-
transformers, two current-coils,
two potential coils
Depth Behind Panel: 3.1"
Handle: Round, Knurled
Engraving and jumpering as shown
CONTACTS
POS.
2
4
1
3
5
7
9
1 1
1 3
1 5
1
2
3
4
6
8
1 0
1 2
1 4
1 6
WATTMETER
ON
OFF
Depth Behind Panel: 3.1"
Handle: Round, Knurled
Engraving and jumpering as shown
CONTACTS
POS.
2
4
1
3
5
7
9
1 1
1 3
1 5
1
2
3
4
6
8
1 0
1 2
1 4
1 6
RVA
W
WATTMETER
RVA
OFF
W
CONTACTS
POS.
113
5
7
9
1 1
1 3
1 5
1 7
1 9
2 1
2 3
2
2
4
6
8
1 0
1 2
1 4
1 6
1 8
2 0
2 2
2 4
3
4
1
2
3
5
6
AMMETER-Transfer Switches
AMMETER-VOLTMETER
Transfer Switch
For 20KC-11
For 20KC-12
POWER-FACTOR–Switch
SYNCHRONIZING-Switch
*Denotes make-before-break
*Denotes make-before-break
*Denotes make-before-break
*Denotes make-
before-break
*Denotes make-before-break
*Denotes make-before-break
MOTOR CONTROL-Switch,
Governor or Rheostat
Order #
20KC-10
Order #
20KC-11 or 20KC-12
Order #
20KC-15
Order #
20KC-19
Order #
20KC-20
Order #
20KC-21
Order #
20KC-22
Order #
20KE-24
Order #
20KD-27
