EATON E51 Series NEMA Limit Switch Photoelectric Sensors
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EATON E51 Series NEMA Limit Switch Photoelectric Sensors


Eaton E51 Series NEMA limit switch photoelectric sensors are designed to detect the presence or absence of an object in a specified area. These sensors consist of a light source (emitter), a photodetector (receiver) and an electronic control unit. They are available in thru-beam, polarised refl...ex, reflex, diffuse reflective & fibre optic sensing modes for solving various sensing applications. Read more

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EATON E51ALP1A
EATON E51DP3B
EATON E51CNP6C
EATON E51DC1D
EATON E51DEDE
EATON E51DELF
EATON E51DF1G
EATON E51DP22H
EATON E51DP4PDI
EATON E51DP4J
EATON E51DP5K
EATON E51DP6L
EATON E51CLP1M
EATON E51CLYED90N
EATON E51DF33O
StyleModelOperating ModeIp Rating
A
E51ALP1		--
B
E51DP3		--
RFQ
C
E51CNP6		--
C
E51CNP5		--
D
E51DC1		-IP67
RFQ
C
E51DF11		--
E
E51DED		--
F
E51DEL		-IP67
G
E51DF1		--
C
E51DF4		--
H
E51DP22		--
RFQ
C
E51CNF1		--
I
E51DP4PD		--
H
E51DP2		--
B
E51DP1		--
J
E51DP4		--
K
E51DP5		--
L
E51DP6		--
C
E51DP9		--
C
E51ELA		--
C
E51EDN		--
C
E51CNF11		--
C
E51CNF3		--
C
E51CNC1		--
C
E51CLP5		--
C
E51ALP2		--
C
E51ALP1P3		--
RFQ
C
E51ALC1P3		--
C
E51ALP2P3		--
C
E51CLF11		--
M
E51CLP1		--
C
E51CLP22S12		--
RFQ
C
E51CLP1P5		--
C
E51CLF1		--
C
E51CLP4		--
C
E51CLP3		--
C
E51CLP4P5		--
C
E51ELAP5		--
RFQ
C
E51CLP11		--
C
E51CLP2		--
RFQ
C
E51CLP22		--
C
E51CLP6		--
C
E51CLF3		--
C
E51CLP4PD		--
C
E51CNP22		Diffuse Reflective-
C
E51CNP4		Diffuse Reflective-
C
E51CNP2		Diffuse Reflective-
C
E51DF3		Fiber OpticIP67
RFQ
C
E51CLC1		Fiber OpticIP67
C
E51CNF33		Fiber Optic-
RFQ
C
E51CLF33		Fiber OpticIP67
RFQ
N
E51CLYED90		Fiber Optic-
O
E51DF33		Fiber OpticIP67
C
E51CNP1		Non Polarized Retroreflective-
C
E51CNP3		Polarized Retroreflective-
C
E51ALC1		Thru BeamIP67

Working Mechanism

  • The light source emits a beam of light, and is directed towards the photodetector.
  • When an object enters the sensing area and interrupts the beam of light, the photodetector sends a signal to the electronic control unit, which activates the switch to change its state.
  • The control unit processes the signals from the photodetector and uses them to control the switch, which can be configured for a normally open or normally closed operation.

Features

  • They come with a selector switch for operating in light or dark.
  • These sensors are equipped with logic modules for added control.
  • They feature rugged construction to withstand extreme industrial environments.
  • These sensor heads can be rotated to any of the four positions and can be interchanged with E51 proximity sensors.
  • They further feature bifurcated engagement prongs for a secure electrical connection when plugged into receptacle stabs.

Standards and Approvals

  • CSA
  • UL
  • CE

Frequently Asked Questions

How do I adjust the sensitivity of Eaton E51 Series NEMA limit switch photoelectric sensors?

The sensitivity of Eaton E51 Series NEMA limit switch photoelectric sensors can be adjusted using the sensitivity adjustment potentiometer on the sensor's electronic control unit.

Are Eaton E51 Series NEMA limit switch photoelectric sensors leak-proof?

These photoelectric sensors come with Viton gaskets for compact sealing and enhanced chemical resistance.

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