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Multi
Limit
Butt
Station
Switches
The Multiple Station Switch now
makes it possible to incorporate from
two to four EA700 Namco Series SnapLock Limit Switches into a single
assembly. Here’s a unit that can be
adapted to most any application where
individual limit switches are mounted
side by side. This single assembly
reduces installation time, cuts wiring
Limit Switches
costs and presents a more compact
appearance than individually mounted
switches. Furthermore, you can now
perform an almost unlimited number of
switching functions within a single
enclosure by combining the Single Action
type switches.
Contacts
EA760 1 N.O. - 1 N.C. / Butt Contacts / Cam Action
Angle Angle Angle Angle
Part Station Station Station Station Conduit Trip Reset Recom. Total Contact Conduit (inch/
Number 1 2 3 4 Diameter** Travel Travel Travel Travel Configuration Location lbs)
STANDARD TRAVEL / 2 STATION
EA760-10000* CW CW - - 1.50"-11.50 N.P.T. 18° 14 ° 30° 90° B Bottom 33
EA760-10001* CCW CCW - - 1.50"-11.50 N.P.T. 18 ° 14 ° 30° 90° B Bottom 33
EA760-10005 CCW CW - - 0.75” 13 ° 10 ° 30° 90° A Left 16.5
STANDARD TRAVEL / 4 STATION
EA760-00265 CW CW CW CCW 1.00" 18° 14° 30° 90° A Left 15
EA760-00445 CCW CW CCW CCW 1"-11.50 NPT 13° 10° 30° 90° A L & R 16.5
EA760-00455 CW CW CCW CW 1"-11.50 NPT 13° 10 ° 30° 90° A L & R 16.5
EA760-30002 CW CW CCW CCW 1.716" 18° 14° 30° 90° A Left 15
EA760-30003 CW CW CCW CCW 1.38" 18° 14° 30° 90° A Left 15
EA760-30004 CW CW CCW CCW 1.38" 18° 14° 30° 90° A Right 15
EA760-30006 CW CW CCW CCW 1"-11.50 NPT 13° 10° 30° 90° A L & R 16.5
A B C D Torque
284
* All switch stations are single pole except EA760-10000 and EA760-10001, which are 3 pole.
** Non-threaded, smooth-hole type, except “N.P.T.”
Common Switch Characteristics
MULTI-STATION, SINGLE POLE, STANDARD ENVIRONMENT,
BUTT CONTACTS
NEMA Enclosure Type 1
Housing Material Aluminum
Ambient Temperature Range*** -20°C to +90°C
Lever Adjustment 7°30’ Increments Thru 360°
Contacts Butt, Silver Alloy, Form Z
***EA760-10000 and -10001 rated +20°C to +180°C
EA760-00445, EA760-00455 and EA760-30006 rated 0°C to +150°C
See Operating Levers Section
Namco Controls Corporation • Mayfield Village, OH 44143 • (440) 460-1360 • Fax: (440) 460-3800
Continuous Current Rating - Amperes
VOLTAGE AC DC
125 20.0 5.0
250 15.0 1.5
480 10.0 600 5.0 -
75-100% Power Factor
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Dimensions and Mounting
TWO STATION - THREE POLE
See table on opposite page for location, diameter, and type.
EA760
FOUR STATION - SINGLE POLE
Contact Configurations
2.08"
(52.8)
0.16"
(4.1)
3.50"
(88.9)
0.28"
(7.1)
11/32" Dia. Four Mounting Holes
Dimensions: inches/(mm)
2.41"
(61.2)
.
A
1
T
S
THE NATIONAL ACME CO.
11.97" (304.0)
.
A
2
T
S
SL
5
CLEVELAND, OHIO
MADE IN U.S.A.
PATENTS PENDING
2.41"
(61.2)
NAMCO
SWITCH
AMPERE RATING
VOLTS
AC
DC
11.37" (288.8)
.
A
T
S
480
230
123
10
15
20
1.5
3.0
Operational Data Drawing
(61.2)
3
600
3.0
12.41" (315.2)
2.41"
.
A
4
T
S
4.06"
(103.1)
0.30" (7.6)
0.22" (5.6)
Limit Switches
C
C
A
A
B
D
D
B
Namco Controls Corporation
Mayfield Village, OH 44143
(440) 460-1360 • FAX (440) 460-3800 • namcocontrols.com
For technical assistance, call 1-800-NAMTECH
285
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Miscellaneous
Operating
Butt
Types
0.50"
(12.7)
Limit Switches
0.25"
(6.4)
Standard Operating Lever
EL010-53420 (D-1260)
(for .500 Dia. Shaft Switches)
Levers
1.50"
(38.1)
0.88"
(22.2)
Contacts
For Series:
EA040, EA060, EA080,
EA130, EA140, EA170,
EA700, EA710, EA730,
EA760, EA770, EA780,
EA790, EA800, EA880,
EA990
Select the operating lever for your
application with regards to dimensions
and materials required.
Requests for operating levers not
shown should include lever style and all
pertinent information as to limit switch
number, dimensions, materials, etc.
Depending upon your application,
levers are available in cold rolled steel,
stainless steel, or bronze. Rollers are
available in steel, nylon, Bryl. Cop.,
stainless steel or steel ball bearings.
Please consult materials column of the
lever of your choice.
This style and size operating lever
is considered standard for the majority of
snap-lock switch installations. The
EL010-53420 (D1260) lever is steel with
a nylon roller and a stainless steel roller
pin. Like all snap-lock levers, the serrated
mounting hole matches the serrated lever
shaft of the switches to provide fixed
adjustment of the lever in 7.5° increments.
294
Namco Controls Corporation • Mayfield Village, OH 44143 • (440) 460-1360 • Fax: (440) 460-3800