3804 South Street
Nacogdoches, TX 75964-7263
Phone: 936-569-7941
Fax: 936-560-4685
DSD923 2CKT 2POS Sel-SW
Cooper Crouse-Hinds
Catalog Number
Manufacturer
Description
DSD923
Cooper Crouse-Hinds
Eds/Efs Series Back Box Used On; 2NO-2NC Contact Configuration;
Maintained Operation Type; Ul 698, Ul 894, Csa C22.2
Approval;
N/A
Control Station Cover Assembli
UL 698, UL 894, CSA C22.2
CONTROL & APPARATUS
Relays, etc. - Push Btns, Pilot Lts, etc.
2NO-2NC
Yes
CLASS I DIV 1 AND 2 GROUP B C D, CLASS II DIV 1 GROUP
E F G, CLASS II DIV 2 GROUP F G, CLASS III, NEMA 3/7B/7C/7D/9E/9F/9G
PUSHBUTTON SWITCH, DUST IGNITION PROOF, RAIN TIGHT,
WET LOCATION; OPERATION TYPE MAINTAINED; CONTACT CONFIGURATIO
2NO-2NC; 2 C
Non-Stock
DSD923
DSD
2
2
MAINTAINED
Yes
Selector Switch Control Station Cover Assembly
EDS/EFS SERIES BACK BOX
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Weight per unit
Product Category
Approval
Brand
Commodity Description
Contact Configuration
Documents
Enclosure
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Long Description
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Manufacturer Status
Manufacturers Part Number
Model
Number of Circuits
Number of Positions
Operation Type
Picture
Product Type
Used On
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514-515.qxp
6/7/2011
1:34 PM
Page 515
EDS / EFS Series
Control Stations
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
DSD Cover and Device
Sub-assemblies
For use with EDSCM modular control
device bodies see page 513 and
EDS/EDSC back boxes.
• Feraloy – electrogalvanized and
aluminum acrylic paint
• Copper-free aluminum – natural
Certifications and
Compliances:
(When used with EDSCM & EDS bodies):
• NEC/CEC:
Class I, Division 1 & 2, Groups C, D†
Class I, Division 2, Groups B, C, D
Class II, Division 1, Groups E, F, G
Class II, Division 2, Groups F, G
Class III
• NEMA/EEMAC: 3, 7B (Div. 2) CD, 9EFG
• UL Standards: 894, 698
• CSA Standard: C22.2 No. 30
Pushbuttons, Pilot Lights & Selector
Switches (when used with EFS bodies):
• NEC/CEC:
Class I, Division 1 & 2, Groups B, C, D
Class II, Division 1, Groups E, F, G
Class II, Division 2, Groups F, G
Class III
• NEMA/EEMAC: 3, 7BCD, 9EFG
• UL Standard: 1203
• CSA Standard: C22.2 No. 30
Options:
The following special options are available by adding suffix to Cat. #:
Description
Suffix
• Lockout provision on front operated pushbutton cover (standard on buttons
marked "STOP" and "OFF").......................................................................................
S153
• Three-position selector switches with modified operation:
Momentary contact clockwise operation, spring return to center, maintained
contact counter-clockwise operation.......................................................................
S634
Momentary contact counter-clockwise operation, spring return to center,
maintained contact clockwise operation..................................................................
S635
• Emergency "STOP" button momentary – front operated mushroom button breaks
normally closed contacts (DL02 legend plate included - must specify legend text)
S111
• Bodies and covers – copper-free aluminum..............................................................
SA
• For 24 VDC operation on pilot lights.........................................................................
S300
• Maintained contact mushroom head with lockout and guard (Will not fit with a
pilot light if transformer is required)...........................................................................
S769
• Spring return to center from right and left (For DEV43 or DEV44 only)....................
S842
• Key Operated – removable from all positions........................................................... S847 K1
• Key Operated – removable from left position for DEV42 or from center for DEV43
and DEV44................................................................................................................. S847 K2
• Key Operated – removable from right position for DEV42 or from left for DEV43
and DEV44................................................................................................................. S847 K3
• Key Operated – removable from right position for DEV43 and DEV44..................... S847 K4
Ordering Information
Manual Motor Starters
Poles
Max. H.P.
Max. Volts A.C.
With Allen-Bradley Bulletin 600 Switches
1
1
115–230
2
1
115–230
DSD910 ➀
DSD911 ➀
With General Electric Switches
1
1
2
1
115–230
115–230
DSD912 ➀§
DSD913 ➀§
With Cutler-Hammer Switches
1
1
2
1
115–230
115–230
DSD914 ➀§
DSD915 ➀§
With Arrow-Hart Switches
Without Overload Protection
2
5
2
7.5
3
7.5
3
15
250
600
250
600
DSD916
DSD916
DSD917
DSD917
(30A)
(30A)
(30A)
(20A)
Cat. #
† When a CPS receptacle cover device is used, the assembly meets requirements for Class
I, Groups C and D areas only.
* 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.
§ A comparable factory sealed cover will fit on the EDSCM21 body, EDS and EDSC bodies
and in bottom gang of EDSCM33 and EDSCM63 bodies. To order, add suffix S701 to
catalog number.
➀ Includes one interchangeable heater. To select heater see pages 471–472.
Symbol 0 (zero) may be used to indicate heater omitted.
www.crouse-hinds.com
US: 1-866-764-5454
CAN: 1-800-265-0502
Copyright© 2011 Cooper Crouse-Hinds
515
4C
• Large machine screws for fastening
covers to bodies
• Lockout hole for padlock having 1/4"
hasp is provided when used with covers
for front lever and side rocker type
operation
• Lockout provisions on front operated
pushbutton (marked "STOP" and "OFF")
and all selector switch covers
• For covers with front lever and side
rocker type operating handles, threaded
type shafts and bushings are used to
ensure flametightness
• Accurately ground flange for flametight
joint when mated with ground flange on
back box
• Covers, front operated – Feraloy iron
alloy and copper-free aluminum
• Covers, side operated – copper-free
aluminum
• Shafts and shaft bushings – stainless
steel
• Rocker handles, pushbuttons and
guards – type 6 / 6 nylon
• Sealing enclosures – copper-free
aluminum
CPS delayed action receptacle cover:
• Receptacle housing – copper-free
aluminum
• Insulation – diallyl phthalate (DAP)
• Contacts – brass
4C
Standard Finishes:
Features:
Standard Materials:
Explosionproof
Dust-Ignitionproof
Raintight
Wet Locations
516-517.qxp
5/27/2011
12:05 PM
Page 517
EDS / EFS Series
Control Stations
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
DSD Cover and Device
Sub-Assemblies
4C
Explosionproof
Dust-Ignitionproof
Raintight
Wet Locations
Pilot Light Devices‡
Factory Sealed
Description
Diagram
Cat. #
DSD948 ➀
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
DSD958
DSD957
DSD961-J1
For use with EDSCM modular control device bodies see page 513 &
EFS/EDS back boxes.
Triple pilot light
DS512 ➀ SA§
Double pilot light - single
pushbutton combo
DS513 ➀ SA§
Ordering Information
Side Operated Pushbutton Station
Double pushbutton - single pilot
light combo
DS514 ➀ SA§
600 VAC Heavy Duty, Factory Sealed
Blank Cover
DSD951
DSD925
Diagram
Cat. #
Description
Cat. #
1 Circuit Universal
DSD949 ➂
Blank Cover
DSD957
2 Circuits Universal
DSD950 ➂
➀Add color symbol for each pilot light from table below.
Color
Symbol
Color
Symbol
Color
Symbol
2 Circuits
1 Open - A
1 Closed - B
Start-Stop unless
otherwise specified
Red
Green
DSD951 ➂
Maintained Contact 600 VAC Heavy Duty, Factory Sealed
Two
Position
Position 1 Position 2 Position 3 Cat. #
Two
Circuit
DSD923 ➃
Four
Circuit
DSD924 ➃
DSD925 ➃
Two
Circuit
Three
Position
Four
Circuit
Amber
Clear
J6
J10
Blue
J11
➁Add suffix below for transformer primary voltage:
Transformers – Voltages above 125
Selector Switches
Style
J1
J3
DSD926 ➃
DSD927 ➃
* 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.
www.crouse-hinds.com
Nom. Volts 50–60Hz
Transformer
Primary Voltage
Range
Suffix
220 / 110
440 / 110
550 / 110
220–240
440–480
550–600
T2
T4
T5
➂ If desired, markings on indicating plates may be added to catalog
number. Select from the list of standard markings below:
OFF
RESET
LIGHT ON
START
RUN
TRIP
HAND
STOP
JOG
TEST
AUTOMATIC
ON
OPEN
DOWN
RAISE
EMERGENCY
CLOSE
IN
LOWER
FORWARD
UP
OUT
REVERSE
➃ Specify indicating plate markings. Standard indicating plate
markings available are as follows:
Two-Position
FAST, SLOW
IN, OUT
RUN, JOG
OPEN, CLOSE
RAISE, LOWER
HAND, AUTOMATIC
UP, DOWN
START, STOP
FORWARD, REVERSE
ON, OFF
Three-Position
JOG, OFF, RUN
1, OFF, 2
AUTOMATIC, OFF, HAND OPEN, OFF, CLOSE
FORWARD, OFF, REVERSE UP, OFF, DOWN
FAST, OFF, SLOW
US: 1-866-764-5454
CAN: 1-800-265-0502
Copyright© 2011 Cooper Crouse-Hinds
517
4C
Normal Position
DSD947-J1-J1
4C
With one pilot light
With two pilot lights
(Not available with a
transformer)