Eaton E50 Limit Switch Roller ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$59.66

Eaton E50 Limit Switch Roller Operator Accessory

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Model: E50KL550

In Stock (leaves warehouse same day if ordered before 3pm ET)

$59.66
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Eaton E50 Limit Switch Roller Operator Accessory

The Eaton E50 Limit Switch Roller Operator Accessory is a standard roller actuator engineered for use with side rotary limit switches in the Eaton E50 series. Built with a compact profile (.75 in width, 3.22 in length/depth, .61 in height) and a 2 in-oz minimum return force, this operator accessory delivers reliable mechanical actuation for industrial position-sensing applications. It is UL Listed and RoHS Compliant, and carries a broad environmental rating spanning NEMA 1 through NEMA 6P, NEMA 13, and IP67 for use across a wide range of industrial environments.

Key Features

  • Compact Dimensions: .75 in product width, 3.22 in length/depth, and .61 in height for space-constrained limit switch installations.
  • Standard Roller Actuator: Designed for use with side rotary limit switches in the E50 series.
  • Minimum Return Force: 2 in-oz minimum return ensures dependable reset action after actuation.
  • Wide Operating Temperature Range: Rated from 10 °F to 200 °F for demanding industrial conditions.
  • Broad Environmental Rating: NEMA 1, NEMA 3, NEMA 3S, NEMA 4, NEMA 4X, NEMA 6, NEMA 6P, NEMA 13, and IP67 rated for indoor, outdoor, washdown, and wet-location use.
  • Compliance: UL Listed and RoHS Compliant construction for code-compliant industrial deployment.
  • Series: Part of the Eaton E50 limit switch platform for consistent cross-compatibility.

Certifications & Compliance

  • UL Listed
  • RoHS Compliant
  • NEMA 1, NEMA 3, NEMA 3S, NEMA 4, NEMA 4X, NEMA 6, NEMA 6P, NEMA 13 Rated
  • IP67 Rated

Technical Specifications

  • Series: E50
  • Warranty: 1 year
  • Product Width: .75 in
  • Product Length/Depth: 3.22 in
  • Product Height: .61 in
  • Operating Temperature - Max: 200 °F
  • Operating Temperature - Min: 10 °F
  • Actuator: Standard roller
  • Used With: Used with side rotary

Typical Applications

  • Side Rotary Limit Switch Installations
  • Industrial Machine Safety Interlocks
  • Position Sensing on Automation Equipment
  • Conveyor and Material Handling Systems
  • Washdown and Wet-Location Sensing Environments
  • Panel and Enclosure-Mounted Switching Assemblies

Why Eaton?

Eaton engineers the E50 limit switch platform for dependable performance in demanding industrial environments, and this roller operator accessory is built to the same standard. With UL Listed and RoHS Compliant construction, a wide NEMA and IP67 environmental rating, and a broad -10 °F to 200 °F operating range, it delivers the durability and code-compliant reliability that professional installers and industrial maintenance teams expect from Eaton electrical components.

Manufacturer Resources

Product Specs

Product Width:
.75 in
Used With:
Used with side rotary
Product Length/Depth:
3.22 in
Product Height:
.61 in
Operating Temperature Max:
200 °F
Operating temperature - min:
10 °F
Warranty:
1 year
Series:
E50
Compliances:
RoHS Compliant
Actuator:
Standard roller
Certifications:
UL Listed
Product Type:
Pushbutton Operator
Department:
Electrical
Listing:
UL Listed
Standards:
RoHS Compliant
Product Group:
Motor Control & Automation
Product Subgroup:
Push Buttons & Pilot Devices
Product Length:
3.22 in

Eaton E50KL550 – Frequently Asked Questions

1) What kind of limit switch does the Eaton E50 roller operator fit?
The E50 roller operator is built for side rotary limit switch heads in the Eaton E50 platform. It is the lever arm assembly that mounts on the rotary shaft, not a standalone switch, so you need the E50 side rotary switch body and contact block to make a working assembly.
2) What is the difference between the Nylatron and metal roller versions of the Eaton E50 operator?
Two roller materials are offered: E50KL547 with a Nylatron roller and E50KL550 with a metal roller. Nylatron is the usual pick where the roller rides against a painted or finished cam and you don't want the target marked up; the metal roller is the one to order where the contact surface is abrasive or hot. Everything else about the two is the same standard roller operator for side rotary heads.
3) Can the Eaton E50 roller operator be used in a washdown or outdoor location?
Yes. The E50 roller operator carries NEMA 1, 3, 3S, 4, 4X, 6, 6P and 13 ratings plus IP67, which covers indoor, outdoor, washdown and temporary-submersion duty. The 4X rating is the one that matters in food plants and chemical areas where corrosion-resistant hardware is specified.
4) Do I get a complete limit switch when I order the Eaton E50KL547 or E50KL550?
No. These are operator accessories only, the roller lever that attaches to an E50 side rotary switch head. There is no switch body, contact block, or enclosure included. Order the E50 side rotary switch and the matching contact block separately if you are building the assembly from scratch.
5) Will the Eaton E50 roller operator hold up in a cold warehouse or near a hot oven line?
Rated operating range is 10 degrees F to 200 degrees F. That covers unheated warehouse and dock environments at the low end and radiant heat around ovens, dryers and furnaces at the top. Below 10 degrees F, such as a freezer aisle or blast cell, it is outside the rated range.
6) How much room do I need to mount the Eaton E50 roller operator on a machine?
The operator measures .75 x 3.22 x .61 inches (width, length/depth, height). The 3.22 inch dimension is the one to plan clearance for as the arm swings, so check the sweep path against guarding and conveyor framing before you commit to a mounting position.
7) Does the Eaton E50 roller operator reset on its own after the cam passes?
It does. The operator is specified with a 2 in-oz minimum return force, so the arm springs back to its rest position once the target clears. That matters on conveyor and indexing applications where the switch has to be ready for the next part without anyone touching it.
8) Is the Eaton E50 roller operator UL Listed and RoHS compliant for a spec job?
Yes, both. The E50 roller operator is UL Listed and RoHS Compliant, which is what most industrial and institutional specs call out for control components going into a machine build or panel assembly.
How fast can I get the Eaton E50KL550 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton E50KL550 come with a warranty?
Absolutely. The Eaton E50KL550 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton E50KL550?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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