Specifications

Electroswitch • 180 King Avenue • Weymouth, MA 02188 • TEL: [phone] • FAX: [phone] • www.electroswitch.com
3-phase, three current-
transformers, three current-coils
Depth Behind Panel: 3.6"
Handle: Round, Knurled
Engraving and jumpering as shown
CONTACTS
POS.
DECKS
OFF
2
4
1
3
5
7
9
11
13
15
17
19
1
2
3
4
5
6
8
10
12
14
16
18
20
ON
*
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.
DECKS
1
1
3
5
7
9
11
2
2
4
6
8
10
12
1
3
*
2
*
3
*
OFF
CONTACTS
POS.
DECKS
1
1
3
5
7
9
11
13
15
17
19
2
2
4
6
8
10
12
14
16
18
20
1
3
*
2
*
3
*
OFF
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 inde-
pendent 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.
DECKS
OFF
2
4
1
3
5
7
1
2
6
8
ON
*
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.
DECKS
OFF
2
4
1
3
5
7
1
2
6
8
ON
SYNCHROSCOPE
ON
OFF
Split-field motor
Depth Behind Panel: 1.5"
Handle: Pistol-Grip
Action: Spring-Return to V
ertical
Engraving and jumpering as shown
CONTACTS
POS.
DECKS
RAISE
2
4
1
3
1
LOWER NORM
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.
DECKS
OFF
2
4
1
3
5
7
9
11
13
15
1
2
3
4
6
8
10
12
14
16
ON
*
WATTMETER
ON
OFF
Depth Behind Panel: 3.1"
Handle: Round, Knurled
Engraving and jumpering as shown
CONTACTS
POS.
DECKS
OFF
2
4
1
3
5
7
9
11
13
15
1
2
3
4
6
8
10
12
14
16
RVAW
WATTMETER
RVA
OFF
W
CONTACTS
POS.
DECKS
1
1
3
5
7
9
11
13
15
17
19
21
23
OFF
2
2
4
6
8
10
12
14
16
18
20
22
24
3
4
OFF
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
APPLICATION SPECIFIC SWITCHES
SERIES 20 ROTARY SWITCHES
Order #
20KC-10 includes NP 53C-4A13
Order #
20KC-11 includes NP 53A-3A10
20KC-12 includes NP 53C-5A16
Order #
20K
C- 15 includes NP 53C-4A23C
Order #
20KC
-19 includes NP 53D-2W14
Order #
20KC
-20 includes NP 53D-2W14
Order #
20KC -
21 includes NP 53C-3W16
Order #
20KC-22 includes NP 53D-2P14
Order #
20KE-24 includes NP 54D-2S17
Order #
20KD-27 includes NP 53B-2M22
29
E