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INTERMATIC K4021C Flush-Mounted Photocell, SPST, 120V AC, 3/8 in Stem - Flush-Mounted Photocells
INTERMATICFlush-Mounted Photocells

INTERMATIC K4021C Flush-Mounted Photocell, SPST, 120V AC, 3/8 in Stem

The INTERMATIC Flush In-Post Photocell Mounting (SKU K4021C, MPN K4021C) is a flush-mounted photocell designed for in-post installation. It features a 3/8 in stem diameter, SPST switching, and operates at 120V AC…

SKU 3G-OTH-132467

Brand
INTERMATIC
Item
K4021C Flush-Mounted Photocell, SPST, 120V AC, 3/8 in Stem
Part Number
K4021C
Category
Flush-Mounted Photocells
Available to Order
Also known as:K4021CINTERMATIC
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

INTERMATIC
Manufacturer Part Number
K4021C
Type
SPST
AC
120V
Stem Dia
3/8 in

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INTERMATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INTERMATIC Flush In-Post Photocell Mounting (SKU K4021C, MPN K4021C) is a flush-mounted photocell designed for in-post installation. It features a 3/8 in stem diameter, SPST switching, and operates at 120V AC. The unit includes a lock nut for secure mounting.

Frequently Asked Questions

What is the INTERMATIC K4021C photocontrol used for?

The INTERMATIC K4021C flush-mounted photocell automatically controls lighting by sensing ambient light levels. It is designed for in-post installation, making it ideal for outdoor area lighting, parking lots, and pathways where a low-profile, durable photocontrol is required.

What are the specifications of the INTERMATIC K4021C photocell?

The INTERMATIC K4021C is a SPST photocontrol rated for 120V AC. It has a 3/8 in stem diameter and includes a lock nut for secure flush in-post mounting. This model is designed for reliable dusk-to-dawn operation in commercial and industrial lighting applications.

Where to buy the INTERMATIC K4021C photocell worldwide?

3G Electric supplies the INTERMATIC K4021C photocontrol to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this flush-mounted photocell.

How to install the INTERMATIC K4021C flush-mount photocell?

Install the INTERMATIC K4021C by inserting the 3/8 in stem into a compatible in-post knockout and securing it with the included lock nut. Wire the SPST contacts to your 120V AC lighting circuit following local electrical codes. Always disconnect power before installation.

Used in

Common applications for INTERMATIC
Commercial buildings — Intermatic FM1D20A-AV-8 digital timer for scheduling lighting and HVAC based on occupancy or time of day.
Industrial automation — Intermatic FM1D20A-LV-8 DIN rail timer for controlling industrial loads in 24V AC control circuits.
Panel integration — Intermatic FM1STUZH-240U panel cover-mounted electromechanical timer for through-door access in control panels.
Energy management — Intermatic MIL72ESWUZH-120 7-day electromechanical timer for automated lighting control in facilities.
Low-voltage control — Intermatic FM1QTUZ-24U 12/24V AC timer for switching low-voltage loads in HVAC and lighting systems.
Process control — Intermatic FM1STUZ-120U 120V AC timer for time-based operation of pumps and industrial equipment.
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INTERMATIC Products

3G Electric supplies INTERMATIC flush-mounted photocells. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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