Compact Body
Standard Environment
Butt Contacts
Limit
Switches
Butt
Contacts
• Small Size
• Rotatable Head
• Light Operating Force
• Compact Durable Housing
• SPDT; Positive Opening in
event of Minor Contact
Limit Switches
Welding
The new Namco Snap-Lock®
EA530 Series limit switches are intended
for reliable sensing performance in
rugged industrial environments. They
have a compact 30mm x 60mm mounting footprint and trip force of 40 in • oz.,
making them ideal for lighter force
applications. These compact limit
switches have a die cast zinc housing
with epoxy paint and positive-acting
contacts. They are NEMA A300 AC and
Q300 DC rated and UL and CSA listed.
EA530 Single Pole 1 N.O. - 1 N.C. / Butt Contacts
Model A B Recommended D Operating
Number Type Trip Travel Reset Travel Travel Total Travel Force
STANDARD TRAVEL/COMPACT
EA530-14700 Plunger .130” .053" .169" .197" 33 oz.
EA530-15701 Roller Plunger .102” .053” .141” .197” 33 oz.
EA530-17702 Lever 35° 17° 48.5° 75° 40 in oz.
C
A variety of actuator styles are
available, including top roller plunger and
rotary roller lever. The switch heads are
rotatable by 90° increments to allow for
four positions of operation. Action can be
changed from momentary clockwise and
counterclockwise to momentary clockwise only or momentary counterclockwise only by setting the head internally.
EA530 DPDT 2 N.O. - 2 N.C. / Butt Contacts
Model A B Recommended D Operating
Number Type Trip Travel Reset Travel Travel Total Travel Force
STANDARD TRAVEL/COMPACT
EA530-47702 Lever 25° 10° 48.5° 75° 40 in oz.
C
Common Switch Characteristics
SINGLE POLE, STANDARD ENVIRONMENT, COMPACT BODY,
BUTT CONTACTS
NEMA Enclosure Type Designed to meet 1, 2, 4, 12
& 13 (IP66)
Ambient Temperature Range -25°C to +80°C
Rotatable Head yes
Light Operating Force yes
UL/CSA yes
Accessories: see pages 294-301.
244
Namco Controls Corporation • Mayfield Village, OH 44143 • (440) 460-1360 • Fax: (440) 460-3800
Dimensions and Mounting
LEVER LIMIT SWITCH
2.03"
(51.5)
1.77"
(45)
.24"
(6)
75° 75°
.30 x .21"
(7.5 X 5.3)
.24"
(6)
2.91"
(74)
1.18"
(30)
.87"
(22)
1.16"
(29.5)
2.36"
(60)
2.28"
(58)
EA530
Continuous Current Rating Amperes
AC 50/60 Hz NEMA A300
D
C
B
A
AC Make Break Continuous Voltamperes
120V 60A 6A
240V 30A 3A
7200 (make)
480V 15A 1.5A 10A 720 (break)
480V 15A 1.5A
600V 12A 1.2A
.63"
(16)
1.44"
(36.5)
.5" N.P.T.
(12.7)
(5.3)
ROLLER PLUNGER LIMIT SWITCH
.20"
(5)
.30 x .21"
(7.5 x 5.3)
2.91"
(74)
.63"
(16)
1.44"
(36.5)
.5" N.P.T.
(12.7)
PLUNGER LIMIT SWITCH
.35"
(9)
.21"
.21"
(5.3)
.51"
(13)
.24"
(6)
1.57"
(40)
1.18"
(30)
1.57"
(40)
1.18"
(30)
1.95"
(49.5)
2.36"
(60)
DC NEMA Q300
Limit Switches
DC Make or Break Continuous Voltamperes
125V .55A N/A 69
250V .27A N/A 69
300V
to 12A 1.2A N/A
600V
C
A
D
B
Contact Configurations
DCBA
.63"
(16)
1.44"
(36.5)
.5" N.P.T.
(12.7)
.30 x .21"
(7.5 x 5.3)
.24"
(6)
2.91"
(74)
.21"
(5.3)
1.57"
(40)
Dimensions: inches/(mm)
1.52"
(38.5)
2.36"
(60)
Namco Controls Corporation
Mayfield Village, OH 44143
(440) 460-1360 • FAX (440) 460-3800 • namcocontrols.com
For technical assistance, call 1-800-NAMTECH
245
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