August 2007

PG08301004E

For more information visit: www.eaton.com

2-39

Limit Switches

E50 Heavy-Duty Plug-In Switches

Specifications

Electrical Data — Maximum Contact Ratings (Same polarity each pole)

Thermal rating. Valid only if switch does not have to make or break.

Description

Specification

Environmental Ratings

NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13, IP67

Material of Construction

Zinc die cast

Switch Gasket Material

Universal U.S./DIN Mounting Dimensions

1.16 in (30 mm) x 2.34 in (60 mm)

Conduit Entrance

1/2 in NPT or 20 mm threading

Contact Ratings

See below

Contact Operation

Snap action over center mechanism

Contact Material

Fine silver

Maximum Frequency of

Operation

8000 operations per hour

Mechanical Life:

Side Rotary

Side or Top Push

13,000,000 operations minimum

10,000,000 operations minimum

Electrical Life:

Single Pole

Double Pole

1,000,000 operations typical at full load

100,000 operations typical at full load

Ambient Temperature Range — Standard

Standard without Cable

Standard with Cable

Low Temperature without Cable

Low Temperature with Cable

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)

Repeat Accuracy — Standard

Side Operated

Top Operated

Side Rotary

Within 0.0012 in

Within 0.0003 in

Within 0.0014 in

Torque Requirements:

Switch Body Screws

Operating Head Screws

25 – 30 lb-in

14 – 18 lb-in

Wire Size

Will accept AWG #22 – #12, single or stranded wire

AC Volts

Current, Amperes

Voltamperes

DC Volts

Current, Amperes

Make

Break

Cont.

Make

Break

Max. Make

or Break

Cont.

All Switches Except Gravity Return and Indicating Light Versions

NEMA A600 Rating

NEMA R300

120

240

480

600

60

30

15

12

6

3

1.5

1.2

10

7200

720

125

250

0.22

0.11

1.0

1.0

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

240

480

600

30

15

7.5

6

3

1.5

0.75

0.60

5

3600

360

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