Intermatic Button Thermal Phot...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$76.70
$26.70
Intermatic K4021C Button Thermal Photocontrol, 120 V

Intermatic Button Thermal Photocontrol 120V Outdoor Lighting Control with Delay Feature

(No reviews yet) Write a Review

Model: K4021C
Selected Model is

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

$76.70
$26.70
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Intermatic Button Thermal Photocontrol 120V Outdoor Lighting Control with Delay Feature

Professional Automatic Dusk-to-Dawn Lighting Control

The Intermatic Button Thermal Photocontrol delivers reliable 120V outdoor lighting automation with mechanical bimetal switch technology and Cadmium Sulfide photocell sensing. This compact photocontrol fits standard outlet boxes, post lamps, wall packs and other lighting fixtures with its 3/8"-18 NPSM threaded stem design. The integrated delay feature prevents unwanted OFF switching for consistent performance in outdoor lighting applications.

Professional Features & Benefits

  • 120V AC Operation: Compatible with standard residential and commercial voltage systems for versatile installation options
  • Mechanical Bimetal Switch: Provides reliable thermal switching action with proven durability for long-term outdoor service
  • Cadmium Sulfide Photocell: Delivers accurate light sensing for precise dusk-to-dawn operation in varying conditions
  • Compact Design: Fits standard outlet boxes, post lamps, and wall packs with space-efficient 0.938" width profile
  • Delay Feature: Prevents unwanted OFF switching from temporary light sources or brief shadows for stable operation
  • Threaded Stem Mount: 3/8"-18 NPSM threading with 3/4" length provides secure installation with locking nut and washer gasket
  • 2-Year Warranty: Limited warranty coverage ensures reliable performance and professional peace of mind

Technical Specifications

  • Applications: Outdoor Lighting Control
  • Country Of Origin: Mexico
  • Depth: 0.811 in
  • Input Voltage Rating Range S : 120 VAC, 50/60 Hz
  • Marketing Description: These photocontrols install within lighting fixtures, post lamps, or in-wall boxes to provide dusk-
  • Product Color: Gray
  • Product Height: 1.813 in
  • Product Length: NA NA
  • Product Weight: NA lbs
  • Product Width: 0.938 in
  • Warranty Period: 2-Year limited

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Residential Outdoor Lighting Systems
  • Commercial Building Perimeter Lighting
  • Post Lamp and Decorative Fixture Control
  • Wall Pack and Security Lighting
  • Parking Lot and Walkway Illumination
  • Landscape and Architectural Lighting
  • Municipal and Public Area Lighting

Why Choose Intermatic Quality?

Intermatic photocontrols deliver proven reliability with mechanical bimetal switch technology and 2-year limited warranty coverage. The gray finish and compact design ensure professional appearance while the threaded stem mounting system provides secure installation in diverse outdoor lighting applications.

Manufacturer Resources

Product Specs

Applications:
Outdoor Lighting Control
Country Of Origin:
Mexico
Input Voltage Rating Range S :
120 VAC, 50/60 Hz
Marketing Description:
These photocontrols install within lighting fixtures, post lamps, or in-wall boxes to provide dusk-
Product Color:
Gray
Product Height:
1.813 in
Product Length:
NA NA
Product Weight:
NA lbs
Product Width:
0.938 in
Warranty Period:
2-Year limited
Product Depth:
0.811 in

Intermatic K4021C – Frequently Asked Questions

How fast can I get the Intermatic K4021C 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 Intermatic K4021C come with a warranty?
Absolutely. The Intermatic K4021C 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 Intermatic K4021C?
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 Intermatic K4021C from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!