Intermatic K4223C Stem Swivel Mount Thermal Photocontrol Gray 208-277V

Description

Product Overview

The Intermatic K4223C thermal photocontrol is a precision‑engineered device built to automatically manage outdoor lighting systems operating at 208‑277 volts. Its core consists of a mechanical bimetal switch paired with a high‑sensitivity cadmium sulfide (CdS) photocell, delivering reliable response to ambient light levels. The housing is fabricated from UV‑resistant polycarbonate, a material chosen for its exceptional durability against sun exposure, rain, and temperature extremes. This robust construction ensures the unit remains functional for years, even in demanding commercial or residential environments.

Designed with a 1/2″‑14 NPSM threaded stem and a swivel mount, the photocontrol offers flexible positioning on a variety of fixtures, from pole‑mounted streetlights to wall‑mounted security lights. The included washer gasket and locking nut provide a watertight seal, protecting internal components from moisture ingress. With a 5‑year warranty, Intermatic underscores confidence in the product’s longevity and performance.

Usage

This photocontrol excels in applications where automatic lighting control is essential. Typical installations include parking lot illumination, building perimeter lighting, landscape accent lighting, and municipal street lighting. The built‑in delay function prevents premature shut‑off during brief darkness periods, such as passing clouds or momentary shadows, thereby extending lamp life and reducing energy waste.

Because the unit operates on a wired electric power source, it integrates seamlessly with existing electrical infrastructure. Electricians and maintenance personnel will find the mounting process straightforward: attach the swivel stem to the fixture, secure with the locking nut, and seal with the gasket. No batteries are required, eliminating the need for periodic replacement and further simplifying upkeep.

End users benefit from consistent illumination that adapts to natural light cycles, enhancing safety and visibility while lowering operating costs. The device’s high‑sensitivity CdS cell detects low‑light conditions quickly, ensuring lights turn on at the appropriate dusk threshold.

Why Choose Us

Intermatic has a long history of delivering reliable electrical components, and the K4223C model reflects that legacy. The combination of a mechanical bimetal switch and a CdS photocell provides redundancy, ensuring the unit functions even if one sensing method experiences temporary interference. The UV‑resistant polycarbonate housing not only protects against sun degradation but also resists impact and chemical exposure, making it suitable for harsh industrial settings.

Our commitment to quality is evident in the rigorous testing each unit undergoes, including temperature cycling, humidity exposure, and electrical load verification. The 5‑year warranty offers peace of mind, and our dedicated technical support team is available to assist with installation queries, troubleshooting, and replacement parts.

Furthermore, the K4223C is engineered for energy efficiency. By automatically turning lights on at dusk and off at dawn, it reduces unnecessary power consumption, contributing to lower utility bills and supporting sustainability initiatives. The device’s design also minimizes electromagnetic interference, ensuring compatibility with other nearby electronic equipment.

Key Features

• Mechanical bimetal switch paired with high‑sensitivity CdS photocell for reliable light detection.
• UV‑resistant polycarbonate housing provides long‑term durability in outdoor environments.
• Built‑in delay prevents premature shut‑off during brief darkness, extending lamp life.
• Swivel mount and 1/2″‑14 NPSM threaded stem enable flexible installation on diverse fixtures.
• Comprehensive after‑sales support and 5‑year warranty ensure customer confidence.

FAQ

What voltage range does the K4223C support?

The photocontrol is rated for 208‑277 volts, making it compatible with most commercial and residential outdoor lighting circuits.

Do I need batteries for this photocontrol?

No. The K4223C is a wired electric device and does not require batteries, eliminating the need for periodic battery replacement.

How does the built‑in delay function work?

The delay feature holds the lights on for a preset period after a brief darkness event, preventing unnecessary cycling caused by passing clouds or momentary shadows.

Is the unit weatherproof?

Yes. The polycarbonate housing is UV‑resistant and the included washer gasket creates a watertight seal, protecting internal components from rain and moisture.

Can the photocontrol be used with LED fixtures?

Absolutely. The K4223C is compatible with LED, HID, and incandescent lighting types, provided the total load does not exceed the specified wattage rating.