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Gray cylindrical photocontrol with half-inch threaded mount

Intermatic

Intermatic K4236C Photocontrol 4150W Gray

SKU CH-WCJD-ZQH98

Controls outdoor lighting from dusk to dawn with a 4150 W raintight polycarbonate housing rated for 120 to 277 V AC

  • Color familyGray
  • Product typeIndustrial Electrical Controls & Automation
  • Automatic dusk-to-dawn lighting with SPST photocontrol
  • Handles up to 4150 watts across 120–277 V AC circuits
  • Operates reliably from -40 °F to 158 °F ambient temperatures
  • Raintight polycarbonate housing meets ANSI C136.10 and UL standards
  • Includes lock nut and washer gasket for secure ½ in NPT mounting

Industrial Photocontrol 4150 W

The Intermatic K4236C is a dusk-to-dawn photocontrol rated for 4150 W across 120 to 277 V AC. It mounts via a 1/2 in male pipe thread and uses an SPST contact to switch fluorescent, HID or incandescent loads. A polycarbonate raintight enclosure operates from -40 to 158 degrees F.

Suited for outdoor lighting circuits

This unit suits contractors wiring streetlights, parking-lot fixtures or building perimeters that need automatic on-off control. It handles up to 15 A incandescent or 8.3 A ballast loads. Installers requiring multi-level dimming, motion sensing or a different voltage range should look elsewhere.

4150 W capacity with ANSI C136.10 compliance

The 4150 W rating provides headroom for multiple HID or fluorescent fixtures on a single circuit. Turn-on occurs at 1.0 to 5.0 foot-candles and turn-off at 3 to 15 foot-candles. Loads exceeding the 15 A or 8.3 A limits, or installations outside the listed temperature window, will exceed the device capability.

How it compares

Measured against everything we stock in Electrical Switches & Dimmers, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 75% of the 791 comparable items (median $39.99).

Specifications

Product
Brand nameINTERMATIC
Color familyGray
Product typeIndustrial Electrical Controls & Automation

Questions about this item

What voltage supply do I need for the 4150 W rating?

The photocontrol operates on 120 to 277 V AC, so your circuit must fall within that range to support the full 4,150 watt capacity.

Can I wire this unit to an existing 15 A incandescent branch circuit?

Yes, the device handles up to 15 A of incandescent load, matching a standard 15 A branch circuit without modification.

How do I verify the dusk-to-dawn function is set correctly after installation?

Cover the sensor to simulate darkness; the load should turn on at 1.0 to 5.0 foot-candles and turn off again when light reaches 3 to 15 foot-candles.

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