Eaton E30 Square Multifunction...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$11.79
Eaton E30 Square Multifunction Pushbutton Operator Lens (illuminated)

Eaton E30 Square Multifunction Pushbutton Operator Lens (illuminated)

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Model: E30KF40

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

$11.79
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Eaton E30 Square Multifunction Pushbutton Operator Lens, Blank Legend

The Eaton E30 Square Multifunction Pushbutton Operator Lens is engineered for use with Eaton's 30.5 mm Square Multifunction Watertight/Oiltight pushbutton line. Part of Eaton's widely specified E30 series, this lens is designed as a replacement or upgrade component for square multifunction pushbutton operators used across industrial control panels, machine interfaces, and process equipment. Available in a range of actuator lens colors and legend options, it offers an actuator face ready for custom labeling or standard color-coded operator identification. Backed by Eaton's 1 year warranty, this lens delivers dependable performance in demanding panel and enclosure environments.

Key Features

  • Series: Part of the Eaton E30 series of pushbutton operators and accessories, ensuring compatibility across the E30 product family.
  • Type: Designed for 30.5 mm Square Multifunction Watertight/Oiltight pushbutton operators, matching Eaton's square multifunction platform.
  • Actuator Lens Colors: Available in multiple lens colors to support standardized operator color-coding on control panels and HMI stations.
  • Legend Options: Offered with legend options that allow for custom labeling or unmarked operator applications.
  • Product Category: Classified as a Lens accessory, used specifically with square multifunction pushbutton operators.
  • Watertight/Oiltight Rating: Compatible with pushbutton operators rated Watertight/Oiltight for use in industrial and washdown-adjacent environments.
  • Warranty: Backed by Eaton's 1 year manufacturer warranty for added assurance.

Technical Specifications

  • Product Type: Legend Plate
  • Warranty: 1 year
  • Series: E30

Typical Applications

  • Industrial Control Panels and Machine Interfaces
  • Square Multifunction Pushbutton Assemblies
  • Operator Station Retrofits and Legend Replacements
  • Process Equipment and Panel Board Controls
  • Watertight/Oiltight Rated Enclosure Applications

Why Eaton?

Eaton's E30 series is engineered for consistent fit and function across its square multifunction pushbutton operator platform, giving panel builders and maintenance teams a reliable path to replace or customize operator lenses without compromising the Watertight/Oiltight rating of the assembly. Backed by a 1 year warranty, this actuator lens line is built to support dependable, code-compliant panel construction and long-term serviceability in professional electrical control applications.

Variant Specifications

Lens ColorActuatorSKU
AmberType FE30KF30
BlueType FE30KF40
GreenE30KG21-PE30KG21
GreenType GE30KG23
AmberType GE30KG30
BlueType GE30KG50
BlueType JE30KJ20
GreenType JE30KJ22
AmberType JE30KJ30
BlueType KE30KK10
GreenE30KK12-PE30KK12
GreenE30KK13-PE30KK13
GreenE30KK23-PE30KK23
GreenType KE30KK43

Manufacturer Resources

Spec Sheet

Product Specs

Department:
Electrical
Series:
E30
Product category:
Lens
Warranty:
1 year
Configuration:
Square Multifunction
Used with:
Pushbutton, square multifunction
Product Group:
Motor Control & Automation
Product Type:
Pushbutton Lens
Product Subgroup:
Push Buttons & Pilot Devices

Eaton E30KF40 – Frequently Asked Questions

1) Will an Eaton E30K lens fit a standard 30.5 mm round pushbutton operator?
No. The E30K lens is made for Eaton's 30.5 mm Square Multifunction Watertight/Oiltight pushbutton operators, not round-actuator units. If the operator face on your panel is round, this lens will not seat correctly and you need the lens matched to that round operator instead.
2) Can I replace a cracked pushbutton lens without swapping the whole Eaton E30 operator?
That is exactly what these are for. The E30K actuator lens is sold as a replacement or upgrade component for square multifunction pushbutton operators, so a maintenance tech can change a broken or discolored lens on a machine station and leave the operator, contact blocks and panel cutout alone. Match the actuator style letter and the color when you order.
3) How do I make sure I order the right Eaton E30 lens for my existing pushbutton?
Order by the actuator style letter first, then the color. The part numbers carry both: E30KG30 is a Type G in amber, E30KJ20 is a Type J in blue, E30KK43 is a Type K in green. Pull the number off the operator or the old lens, since a Type F lens will not seat on a Type K actuator.
4) What actuator styles and lens colors do the Eaton E30 square multifunction lenses come in?
Four actuator styles, F, G, J and K, in amber, blue and green. The pairings run: Type F in amber (E30KF30) and blue (E30KF40); Type G in green (E30KG23), amber (E30KG30) and blue (E30KG50); Type J in blue (E30KJ20), green (E30KJ22) and amber (E30KJ30); Type K in blue (E30KK10) and green (E30KK43). Several additional green variants are catalogued by their own designation, E30KG21, E30KK12, E30KK13 and E30KK23.
5) Does changing the lens on a watertight/oiltight Eaton pushbutton affect the seal?
No, provided you use the lens made for that operator. The E30K lenses are built for operators rated Watertight/Oiltight so the assembly keeps that rating after a lens change, which is why panel builders use them on washdown-adjacent equipment rather than improvising a cover.
6) Can I get a blank lens to print my own legend for an operator station?
Yes. The square multifunction E30 lens is offered with a blank legend, giving an actuator face ready for custom labeling, and it is also available in standard color-coded versions when you are following a color scheme instead of text.
7) I need to standardize stop and start colors across a plant's control panels. Which E30 lens colors are available?
Amber, blue and green are the colors offered in the square multifunction E30K lens range. If your standard calls for red on stops, that color is not part of this group, so plan the red positions around a different lens in Eaton's E30 line.
8) Is the Eaton E30K lens an electrical part or just a cover?
It is the actuator lens, the pressed face of the pushbutton, not a switch. There are no contacts, no lamp and no wiring in it. If you need the illumination element or the contact block behind the operator, those are separate items in the E30 platform.
How fast can I get the Eaton E30KF40 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 E30KF40 come with a warranty?
Absolutely. The Eaton E30KF40 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 E30KF40?
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
Why buy the Eaton E30KF40 from ZenSupply?
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