Cut Sheet

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4C
4C
EDS / EFS Series
Control Stations
DSD Cover and Device
Sub-Assemblies
Cl. I. Div. 1 & 2, Groups B*, C, D
Cl. II, Div. 1, Groups E, F, G
Cl. II, Div. 2, Groups F, G
Cl. III
NEMA 3, 7B*CD, 9EFG
Explosionproof
Dust-Ignitionproof
Raintight
Wet Locations
DSD951 DSD925 DSD947-J1-J1
DSD958 DSD957 DSD961-J1
For use with EDSCM modular control device bodies see page519 &
EFS/EDS back boxes.
➂ If desired, markings on indicating plates may be added to catalog
number. Select from the list of standard markings below:
START
OFF RESET LIGHT ON
STOP
RUN TRIP HAND
ON
JOG TEST AUTOMATIC
EMERGENCY
OPEN DOWN RAISE
FORWARD
CLOSE IN LOWER
REVERSE
UP OUT
Blank Cover
Description Cat.#
Blank Cover
DSD957
Ordering Information
Side Operated Pushbutton Station
600 VAC Heavy Duty, Factory Sealed
Normal Position Diagram Cat.#
1 Circuit Universal
DSD949 ➂
2 Circuits Universal
DSD950 ➂
2 Circuits
1 Open - A
1 Closed - B
Start-Stop unless
otherwise specified
DSD951 ➂
* For pushbuttons, pilot lights, & selector switches, use EFS back box with required external
conduit seal for 1 inch hub size, within 5 feet for Class I, Division 1, Group B applications.
‡LED pilot lights can be furnished in place of standard incandescent pilot lamps. Add suffix
LED to Cat. No. after last color symbol.
§ Can only be used with EFD Series 1
1
/2 gang back boxes. Pushbuttons include contact
blocks. Standard pushbutton color is black. For optional colors - red, green - write in
color. Example: DS511 GREEN BLACK RED-SA. First color is for uppermost button. For
optional legend markings write in marking after device operator color. Example: DS513-J3
JOG-J1 STOP GREEN-SA.
Selector Switches
Maintained Contact 600 VAC Heavy Duty, Factory Sealed
Style Position 1 Position 2 Position 3 Cat. #
Two
Position
Two
Circuit
DSD923 ➃
Four
Circuit
DSD924 ➃
Three
Position
Two
Circuit
DSD925 ➃
DSD926 ➃
Four
Circuit
DSD927 ➃
➁ Add suffix below for transformer primary voltage:
Transformers – Voltages above 125
Nom. Volts 50–60Hz
Transformer
Primary Voltage
Range Suffix
220 / 110 220–240
T2
440 / 110 440–480
T4
550 / 110 550–600
T5
Three-Position
JOG, OFF, RUN 1, OFF, 2
AUTOMATIC, OFF, HAND OPEN, OFF, CLOSE
FORWARD, OFF, REVERSE UP, OFF, DOWN
FAST, OFF, SLOW
➀ Add color symbol for each pilot light from table below.
Color Symbol Color Symbol Color Symbol
Red J1 Amber J6 Blue J11
Green J3 Clear J10
➃ Specify indicating plate markings. Standard indicating plate
markings available are as follows:
Two-Position
RUN, JOG
FAST, SLOW IN, OUT
HAND, AUTOMATIC
OPEN, CLOSE RAISE, LOWER
FORWARD, REVERSE
UP, DOWN START, STOP
ON, OFF
Description Diagram Cat.#
With one pilot light & 3 position
selector switch, two circuit (pos. 1 -
N.O., pos. 2 - open, pos. 3 - N.C.)
DSD975 ➀ ➃
With one pilot light & 3 position
selector switch, four circuit (pos. 1 -
N.O., pos. 2 - open, pos. 3 - N.C. for
both switches)
DSD976 ➀ ➃
With one pilot light & 3 position
selector switch, four circuit (pos. 1 -
N.C., pos. 2 - N.O., pos. 3 - N.O. for
switch A; pos. 1 - N.O.,
pos. 2 - N.O., pos. 3 - N.C.
for switch B)
DSD977 ➀ ➃
Pilot Light Devices‡
Factory Sealed
With one pilot light
DSD948 ➀
With two pilot lights (Not
available with a transformer)
DSD947 ➀
With one pilot light
and transformer
DSD948 ➀ ➁
With one pilot light
and pushbutton station
DSD958 ➀
With one pilot light
and 1 double pushbutton station
DSD961 ➀
With one pilot light & transformer
and 1 double pushbutton station
DSD961 ➀ ➁
Triple pilot light
DS512 ➀ SA§
Double pilot light - single
pushbutton combo
DS513 ➀ SA§
Double pushbutton - single
pilot light combo
DS514 ➀ SA§
With one pilot light & 2 position
selector switch, two circuit (pos. 1 -
N.O., pos. 2 - N.C.)
DSD973 ➀ ➃
With one pilot light & 2 position
selector switch, four circuit (pos. 1 -
N.O., pos. 2 - N.C. for both
switches)
DSD974 ➀ ➃