Cut Sheet

4C
534
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4C
EDS / EFS Series Control Stations
Fully Assembled EFS Factory Sealed
Selector Switches
Maintained Contact, 600VAC Heavy Duty
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
Furnished with pushbuttons, cam actuated by a maintained contact selector mechanism to operate in the sequences shown in the
diagrams below. Specify indicating plate markings. See table below listings.
EFS11273
Ordering Information - Single Gang
Enclosure with Switch
Style Position 1 Position 2 Position 3
Replacement
Contact
Blocks†
Hub
Size
Dead End
Cat. #
Through Feed
Cat. #
Two-Position,
Two-Circuit
ED11
1
/2 EFS11271 ➀ EFSC11271 ➀
3
/4 EFS21271 ➀ EFSC21271 ➀
1 EFS31271 ➀ EFSC31271 ➀
Two-Position,
Four-Circuit
ED12
1
/2 EFS11272 ➀ EFSC11272 ➀
3
/4 EFS21272 ➀ EFSC21272 ➀
1 EFS31272 ➀ EFSC31272 ➀
Three-Position,
Two-Circuit ‡
ED11
1
/2 EFS11273 ➀ EFSC11273 ➀
3
/4 EFS21273 ➀ EFSC21273 ➀
1 EFS31273 ➀ EFSC31273 ➀
Three-Position,
Four-Circuit ‡
ED12
1
/2 EFS11274 ➀ EFSC11274 ➀
3
/4 EFS21274 ➀ EFSC21274 ➀
1 EFS31274 ➀ EFSC31274 ➀
ED12
1
/2 EFS11275 ➀ EFSC11275 ➀
3
/4 EFS21275 ➀ EFSC21275 ➀
1 EFS31275 ➀ EFSC31275 ➀
➀If desired, markings on indicating plates may be added to catalog
number. Select from the list of standard markings below:
Two-Position
RUN, JOG
FAST, SLOW IN, OUT
HAND, AUTOMATIC
OPEN, CLOSE RAISE, LOWER
FORWARD, REVERSE
UP, DOWN START, STOP
ON, OFF
Three-Position
RUN, OFF, JOG 1, OFF, 2
HAND, OFF, AUTOMATIC OPEN, OFF, CLOSE
FORWARD, OFF, REVERSE UP, OFF, DOWN
FAST, OFF, SLOW
Dimensions
see page 526
*Class I, Group B: All enclosures listed above are suitable for Class I, Group B, Div. 1 usage. Seals only have to be installed on 1 inch conduit within 5 ft. in Division 1.
† For replacement contact blocks, see page 571.
‡ Suffixes S634 or S635 may be used on these catalog numbers. See page 525 for explanation of options.