Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons, Indicating Light, and Rotary Switch Stations
Series 4975
Series 4975 Pushbutton Stations are designed for shipboard control applications requiring heavy
duty watertight master switches. Stations are available with one, two or three elements equipped
with maintained or momentary contacs and with indicating lights. For panel or switchboard
mounting individual N.O., N.C. or D.T. elements can be supplied.
Specification
MIL-C-2122
Operation
Manual
Duty
Continuous
Enclosure
Ambient
Insulation
Ratings
Watertight (without space heater*)
50o C
Class B
1 Amp., 250 volts D.C.
5 amps., 500 volts A.C.
*Space heater can be furnished.
Ordering Information
1. Specify Type Number, i.e. NS101-1
2. For special assemblies specifyA- Number of elements and location
B- Type of elements and legend plate marking
C- Indicator lens color, if required and circuit voltage
Pushbutton element for panel or
switchboard mounting
Indicating Lights
Indicating lights for 115 or 440 volt A.C. or 115 or 230 volt D.C. service
can be included in one, two, or three button stations. Lights for 440 volt
A.C. service are of the transformer type. Clear, red, blue, amber or green
lenses are available.
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons Stations
Control Station
Type of Element
Series 4975
Control Station
(Two Elements)
Legend Plate Marking***
Top
Bottom
Top
Bottom
Type Nos.
N.O.
D.T.
D.T.
N.O.
D.T.
D.T.
Open
Positive
Start
Close
Negative
Open
NS201-1
NS203-1
NS203-2
D.T.
Blue Lens**
Red Lens**
D.T.
Amber Lens**
White Lens**
Open
(specify)
(specify)
Close
(specify)
(specify)
NS203-3
NS204T3
NS204T4
D.T.
N.O.
N.O.
D.T.
N.C.
N.C.
Man.-Auto.
Start
Start Emer.
Slow-Fast
Stop
Stop
NS205-1
NS207-1
NS207-2
N.O.
Red Lens*
D.T.
N.O.
N.O.
N.O.
Emer. Run
(specify)
Man.-Auto.
Stop-Start
Stop-Start
Stop-Start
NS213-1
NS216-1
NS221-1
D.T.
N.O.
N.O.
N.C.
Slow-Fast
Start
Stop-Start
Stop
NS221-2
NS230-1
Control Station
Type of Element
(Three Elements)
Legend Plate Marking***
Type of
Element
(One Element)
Legend Plate
Marking***
Type Nos.
N.O.
N.O.
N.O.
N.O.
Start
Reset
Start Emergency
Emergency Run
NS101-1
NS101-2
NS101-3
NS101-4
N.C.
N.C.
N.C.
Stop
Test
Emergency Stop
NS102-1
NS102-2
NS102-3
D.T.
Red Lens*
Green Lens*
Red Lens*
Green lens*
Emergency Stop
(specify)
(specify)
(specify)
(specify)
NS103-1
NS104-1
NS104-2
NS104-T3
NS104-T4
N.O.
N.O.
N.O.
Off - On
Stop - Start
Stop - Run
NS105-1
NS105-2
NS105-3
D.T.
D.T.
Man. - Auto
Slow - Fast
NS106-1
NS106-2
* For 115 volt circuits
Top
Center
Bottom
Top
Center
Bottom
Type Nos.
D.T.
D.T.
D.T.
D.T.
D.T.
D.T.
N.C.
N.C.
N.C.
Fast
Fast Emer.
Forward
Slow
Slow Emer.
Reverse
Stop
Stop
Stop
NS309-1
NS309-2
NS309-3
Green Lens*
D.T.
N.O.
D.T.
D.T.
N.O.
D.T.
N.O.
N.C.
Motor Running
Man.-Auto
Emer. Run
Off-On
Slow-Fast
Start
Run-Auto
Stop-Start
Stop
NS320-1
NS321-1
NS322-1
Red Lens*
Red Lens*
Green Lens**
Red Lens**
N.O.
N.O.
N.O.
N.O.
N.C.
N.C.
N.C.
N.C.
(specify)
Motor Running
Power On
Motor Running
Start
Start
Start
Start
Stop
Stop
Stop
Stop
NS338-1
NS338-2
NS338T4
NS338T5
D.T.
D.T.
D.T.
N.O.
N.O.
N.O.
N.C.
N.C.
N.C.
Slow-Fast
Man-Auto
Slow-Fast
Start
Start
Start Emer.
Stop
Stop
Stop
NS340-1
NS340-2
NS340-3
Red Lens*
Red Lens**
Red Lens*
N.O.
N.O.
N.O.
N.O.
N.O.
D.T.
Power On
Power On
(specify)
Start
Start
Emer. Run
Off-On
Off-On
Man-Auto
NS347-1
NS347T2
NS360-1
** For 440 volt circuits
*** Legend plate
markings other than
the markings listed
available. The maximum number of
characters per legend plate is 14.
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons Stations
Series 4975
Special Assemblies
Type
2-Button
2-Button
3-Button
3-Button
Key to Symbols
Diagram Symbols
Switchboard Mounted Units
Standard Contact Arrangement
N.O., N.C., or D.T. Pushbutton – momentary
D.T., 2-position Rotary Switch – maintained
3-point N.O. Pushbutton – momentary
(Dropproof or Watertight)
Marking
(specify)
(specify)
(specify)
(specify)
Description
(2)
(2)
(3)
(3)
Indicator
Indicator
Indicator
Indicator
Lights
Lights
Lights
Lights
-
115 V
440/6 V
115 V
440/6 V
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbutton, Indicating Light, and Rotary Switch Stations
Specification
MIL-C-2212
Application
Control of magnetic starters from remote locations.
Surface mounted.
Enclosure
Watertight. Conduit entrance, top or bottom.
Pushbuttons
Selector Switches
Indicating Lights
Duty.
Momentary contact type.
Both spring return and maintaining contacts available.
Dual-lamp type. Uses T-1 3/4 midget screw lamps.
Continuous
50o C
Ambient
Ordering Information
1. Order by complete catalog number. The most frequently ordered standard stations are listed
on page 48. Order these stations by the complete catalog number listed whenever possible.
2. Order by complete description, including
IC number
Quantity and type of each element desired
Nameplate marking (lens cap marking if indicating element)
Example: IC5844L containing one indicating light element
1G marked “motor running” and one rotary switch element 3 marked “stop” (pos c) and “run” (pos D)
Electrical Ratings
Amperes (Inductive circuit)
Rating
Push Button
A.C., 60 Hz
115 V
230 V
440 V
60
6
10
60
3
10
10
10
10
8
5
10
Make
Break
Carry
D.C.
115 V
230 V
60
1.5
10
60
2.2
10
60
1.1
10
5
3
10
8
5
10
5
2
10
Selector Switch
Make
Break
Carry
Type IC5844
Basic Station
Maximum Number
of Elements
IC5844K
IC5844L
IC5844M
2
3
5
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons, Indicating Light, and Rotary Switch Stations
Electrical Arrangements
Element Arrangement
Order Station Type
One pushbutton
Two pushbuttons
Three pushbuttons
Four pushbuttons
Five pushbuttons
IC5844K
IC5844K
IC5844L
IC5844M
IC5844M
One indicating light
IC5844K
Two indicating lights
Three indicating lights
Four indicating lights
Five indicating lights
IC5844K
IC5844L
IC5844M
IC5844M
One rotary switch
Two rotary switches
Three rotary switches
IC5844K
IC5844L
IC5844M
One P.B. with
One indicating light
Two indicating lights
One rotary switch
One ind. light and one rotary sw.
IC5844K
IC5844L
IC5844L
IC5844L
Two P.B. with
One indicating light
Two indicating lights
Three indicating lights
One rotary switch
Two rotary switches
IC5844L
IC5844M
IC5844M
IC5844L
IC5844M
Three P.B. with
One indicating light
Two indicating lights
One rotary switch
Two rotary switches
IC5844M
IC5844M
IC5844M
IC5844M
One I.L. with
One rotary switch
IC5844L
Two I.L. with
One rotary switch
IC5844L
Refer to Company for arrangements not listed.
Type IC5844
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons, Indicating Light, and Rotary Switch Stations
Type IC5844
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons, Indicating Light, and Rotary Switch Stations
Type IC5844
Standard Pushbutton Stations
Standard Rotary Switch Stations
Element(s)
and Namplate Markings
Four pushbutton
Five
pushbutton
Position 1
Position 2
IC5844M
IC5844M
Position 3
Complete Catalog Number
Four
pushbutton
Element(s)
and Namplate Markings
Five
pushbutton
(All Stations Are Single Element)
IC5844M
IC5844M
Complete
Catalog Number
1P Start
2P Stop (red)
1P Emer. Run
2P Emer Stop (red)
1P Reset
1P Test
–
–
–
–
–
–
IC5844K1PXXXX04AA
IC5844K2PXXXX04AE
IC5844K1PXXXX04AB
IC5844K2PXXXX04AC
IC5844K1PXXXX04AD
IC5844K1PXXXX04AG
3S
3S
4S
4S
1S
1S
IC5844K3SXXXX03AA
IC5844K3SXXXX03AB
IC5844K4SXXXX03AC
IC5844K4SXXXX03AP
IC5844K1SXXXX03MA
IC5844K1SXXXX03MN
1P Bypass
1P Start
1P On
3P Hoist
3P Forward
3P High Speed
3P Fast
3P Forward
3P Hoist
1P Start
3P High Speed
–
–
–
–
–
–
–
2P Stop (red)
2P Off
3P Lower
3P Reverse
3P Low Speed
3P Slow
3P Reverse
3P Lower
2P Stop (red)
3P Low Speed
–
–
–
–
–
–
2P Stop (red)
2P Stop (red)
2P Stop (red)
1P Emer. Run
2P Stop (red)
IC5844K1PXXXX04AH
IC5844K1P2PXX01AA
IC5844K1P2PXX01AF
IC5844K3P3PXX01AB
IC5844K3P3PXX01AE
IC5844K3P3PXX01AN
IC5844L3P3P2P07AA
IC5844L3P3P2P07AJ
IC5844L3P3P2P07AH
IC5844L1P2P1P07AD
IC5844L3P3P2P07AG
Standard Combination Stations
Element(s)
and Namplate Markings
Four pushbutton
Five pushbutton
Position
1
Position 2
IC5844M
IC5844M
Position 3
Complete Catalog Number
1G Motor Running
2P Stop (red)
IC5844L1G1P2P10AA
1P Start
Standard Indicating Light Stations
Element(s)
and Namplate Markings
Four pushbutton
Five
pushbutton
Position 1
Position 2
1G Motor Running
1W Power Available
1G Fast
1G High Speed
1G Up
–
–
1G Slow
1G Low Speed
1G Down
IC5844M
IC5844M
Complete Catalog Number
IC5844K1GXXXX06AA
IC5844K1WXXXX06AB
IC5844K1G1GXX02AA
IC5844K1G1GXX02AB
IC5844K1G1GXX02AC
Stop (red) – Start
Off – On
Local – Remote
Manual – Auto
Manual – Off – Auto
Slow – Stop (red) – Fast
1S Raise – Stop (red) – Lower
IC5844K1SXXXX03MH
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons, Indicating Light, and Rotary Switch Stations
Outline and Mounting Dimensions
Type IC5844K
Type IC5844L
(In Inches)
Type IC5844
Ward Leonard Electric Company Inc.
401 Watertown Road
Thomaston, CT 06787 USA
Tel: 860-283-5801
Pushbuttons, Indicating Light, and Rotary Switch Stations
Outline and Mounting Dimensions
Type IC5844M
(In Inches)
Type IC5844