Cut Sheet

V8-T3-94 Volume 8—Sensing Solutions CA08100010E—July 2015 www.eaton.com
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3.16
Inductive Proximity Sensors
E51 Modular Limit Switch Style Sensors
Technical Data and Specifications
E51 Modular Limit Switch Style Sensors
Wiring Diagrams
Pin numbers are for reference, rely on pin location when wiring.
E51 Modular Limit Switch Style Sensors
Note
1
Changing output switch on sensor head will reverse output function (NO becomes NC, and NC becomes NO).
Description Specification
Output rating (NEMA D150)
AC/DC models 0.5 A continuous
AC models 1 A continuous
DC models 0.6 A continuous
Protection Latching short-circuit protection on two-wire AC/DC models; DC models: resettable short-circuit protection
Switching rate AC models: 15 Hz; DC models: 50 Hz
Indicator LEDs Lights when output is ON. One LED for each output
Alternate frequency Standard and alternate frequencies allow side-by-side operation without interference
Enclosure material Zinc die cast
Gasket material Viton
Enclosure ratings NEMA 3, 3S, 4, 4X, 6, 6P, 12 and 13 (IP67); E51SCN sensor body only: NEMA 4, 4X and 13
Hazardous locations ratings
Class I Division II—GRPS ABCD
Class II Division II—GRPS F and G
Class III Division 2
Temperature range –13 to 158 °F (–25 to 70 °C)
Torque requirements Switch body screws: 25–30 in-lbs; sensing head screws: 14–18 in-lbs
Vibration 10–55 Hz, 1 mm amplitude
Shock 30 g, 11 ms, 1/2 sine wave
Humidity 95% non-condensing
Burden current <25 mA
OFF-state leakage DC version: 120 μA; two-wire AC: 1.9 mA maximum; three-wire AC: 1.1 mA
ON-state leakage <2.5 Vdc
Power-up delay <150 ms
Operating
Voltage Output Terminal and Cable Models
Mini-Connector Models
(Face View Male Shown)
Two-Wire Sensors
20–264 Vac or
Vdc 50/60 Hz
NO or NC (NO shown, can
be changed to NC using
switch on sensor head)
Four-Wire Sensors
120 Vac 50/60 Hz NO and NC
1
10–30 Vdc NO and NC NPN
1
NO and NC PNP
1
21
43
L2
or (–)
L1
or +V
Load
Black
White
Green
L1 or
(–)
L2
or +V
Load
21
43
L2
L1
Load
Load
Black
White
Orange
Red
Green
Load
Load
N.C.
N.O.
L2
L1
21
43
(–)
+V
Load
Load
Black
White
Orange
Red
Green
(–)
+V
Load
Load
N.O.
N.C.
21
43
(–)
+V
Load
Load
Black
White
Orange
Red
Green
(–)
+V
Load
Load
N.C.
N.O.