English
Language : 

E50RA Datasheet, PDF (10/11 Pages) List of Unclassifed Manufacturers – Limit Switches E50 Heavy-Duty Plug-In Switches
August 2007
Limit Switches
E50 Heavy-Duty Plug-In Switches
Specifications
Description
Environmental Ratings
Material of Construction
Switch Gasket Material
Universal U.S./DIN Mounting Dimensions
Conduit Entrance
Contact Ratings
Contact Operation
Contact Material
Maximum Frequency of
Operation
Mechanical Life:
Side Rotary
Side or Top Push
Electrical Life:
Single Pole
Double Pole
Ambient Temperature Range — Standard
Standard without Cable
Standard with Cable
Low Temperature without Cable
Low Temperature with Cable
Repeat Accuracy — Standard
Side Operated
Top Operated
Side Rotary
Torque Requirements:
Switch Body Screws
Operating Head Screws
Wire Size
Specification
NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13, IP67
Zinc die cast
Viton ®
1.16 in (30 mm) x 2.34 in (60 mm)
1/2 in NPT or 20 mm threading
See below
Snap action over center mechanism
Fine silver
8000 operations per hour
13,000,000 operations minimum
10,000,000 operations minimum
1,000,000 operations typical at full load
100,000 operations typical at full load
14° to 250°F (-10° to 121°C)
14° to 221°F (-10° to 105°C)
-40° to 250°F (-40° to 121°C)
-40° to 221°F (-40° to 105°C)
Within 0.0012 in
Within 0.0003 in
Within 0.0014 in
25 – 30 lb-in
14 – 18 lb-in
Will accept AWG #22 – #12, single or stranded wire
Electrical Data — Maximum Contact Ratings (Same polarity each pole)
AC Volts
Current, Amperes
Make
Break
Cont. ᕃ
Voltamperes
Make
Break
DC Volts
Current, Amperes
Max. Make Cont. ᕃ
or Break
All Switches Except Gravity Return and Indicating Light Versions
NEMA A600 Rating
NEMA R300
120
60
6
10
7200
720
125
0.22
1.0
240
30
3
250
0.11
1.0
480
15
1.5
600
12
1.2
Switches with Indicating Lights (LED or Neon)
NEMA A150 Rating
NEMA R150
120
60
6
10
7200
720
125
0.22
1.0
Gravity Return Switches — Maximum Contact Ratings
NEMA 6600 Rating — Contacts on Same Polarity
—
120
30
3
5
240
15
1.5
480
7.5
0.75
600
6
0.60
3600
360
—
—
—
ᕃ Thermal rating. Valid only if switch does not have to make or break.
2-39
PG08301004E
For more information visit: www.eaton.com