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White rectangular enclosure with locking mount and blue label

Intermatic

Intermatic LC4536LAC HID Photocontrol Contactor 4155 W Blue/White 90

SKU CH-F3ZQ-2GE2D

Controls lighting from dusk to dawn at 120–277 V AC with a 4,155 W HID rating and raintight enclosure

  • Dusk-to-dawn automation with SPST contact
  • Handles 4,155 W HID or incandescent loads
  • Rated 120 to 277 V AC for versatile supply
  • Raintight polypropylene enclosure meets ANSI C136.10
  • Operates from -40 °F to 158 °F

Intermatic LC4536LAC Photocontrol Contactor

This Intermatic LC4536LAC is a locking-type photocontrol designed for dusk-to-dawn lighting control. It handles HID and incandescent loads up to 4,155 W on 120 to 277 V AC circuits. The raintight polypropylene enclosure meets ANSI C136.10 and UL Listed standards for outdoor use.

Suitable Installations and Limits

It suits contractors and facility managers automating area, roadway or parking-lot lighting where a twist-lock receptacle exists. The 15 A incandescent and 8.3 A ballast ratings cover most common fixtures. Installers needing multi-level dimming, 0-10 V control or higher amperage ballast switching should select a different control.

Decisive Specification: 4,155 W Maximum Load

The 4,155 W maximum wattage is the single figure that determines compatibility. Verify the connected lamp ballast and incandescent load stay at or below this value before installation. Exceeding it will cause contact failure and void the UL listing.

How it compares

Measured against everything we stock in Contactors, Relays & Motor Starters, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 81% of the 1,098 comparable items (median $61.99).

Specifications

Product
Brand nameINTERMATIC

Questions about this item

What voltage supply must already be present for the 120 to 277V AC photocontrol to operate?

A 120 to 277V AC circuit is required; the device will not work on DC or outside that range.

Can the SPST contactor switch a legacy 15 A incandescent load on the same circuit?

Yes, the contactor is rated for 15 A incandescent and 8.3 A ballast, so existing incandescent fixtures up to that limit are supported.

How do I verify the dusk-to-dawn cycle is functioning after installation?

Cover the sensor to simulate darkness; the load should energise at roughly .5 foot-candles and de-energise when light reaches about 15 foot-candles.

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