Intermatic Thermal Photocontro...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$85.49
$35.75
INT-LC2100

Intermatic Thermal Photocontrol 120-277V Locking Type Outdoor Lighting Control System

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Model: LC2100

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

$85.49
$35.75
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Intermatic Thermal Photocontrol 120-277V Locking Type Outdoor Lighting Control System

Professional ANSI-compliant automatic lighting control with thermal protection

The Intermatic thermal photocontrol delivers reliable automatic outdoor lighting control with 120-277V multivoltage capability and ANSI C136.10 compliance. This professional-grade unit combines a silicon diode photosensing element with mechanical bimetal thermal switch technology in a durable thermoplastic housing, providing dependable dusk-to-dawn operation for diverse outdoor lighting applications.

Professional Features & Benefits

  • 120-277V Multivoltage Range: Single unit covers wide voltage applications from residential to commercial installations, reducing inventory needs and installation complexity.
  • ANSI C136.10 Compliance: Meets industry standards for photocontrol performance and reliability, ensuring professional-grade operation and compatibility.
  • Silicon Diode Photocell Technology: Provides accurate light sensing with long-term stability and consistent switching performance across temperature variations.
  • Mechanical Bimetal Thermal Switch: Built-in thermal protection prevents damage from overload conditions while maintaining reliable switching operation.
  • Locking Type Design: Secure mounting prevents unauthorized removal and ensures consistent positioning for optimal light sensing accuracy.
  • Thermoplastic Housing with Window: Weather-resistant construction protects internal components while allowing clear light transmission to the photosensing element.
  • 2-Year Limited Warranty: Manufacturer backing provides confidence in long-term performance and professional reliability.

Technical Specifications

  • Applications: Outdoor Lighting Control
  • Country Of Origin: China
  • Depth: NA in
  • Input Voltage Rating Range S : 120-277 VAC, 50/60 Hz
  • Marketing Description: This model combines a silicon diode photosensing element with thermal switch to provide a multivolt
  • Product Color: Blue
  • Product Height: 2.22 in
  • Product Length: NA NA
  • Product Weight: NA lbs
  • Product Width: NA in
  • Warranty Period: 2-Year limited

Professional Applications

  • Commercial Building Exterior Lighting
  • Parking Lot and Area Lighting Control
  • Residential Outdoor Security Lighting
  • Industrial Facility Perimeter Lighting
  • Municipal Street and Pathway Lighting
  • Retail and Office Building Landscape Lighting
  • Multi-Unit Property Common Area Lighting

Why Choose Intermatic Quality?

Intermatic thermal photocontrols provide professional reliability with ANSI C136.10 compliance and 2-year limited warranty coverage. The thermoplastic housing construction and mechanical bimetal thermal protection ensure long-term durability in demanding outdoor environments, delivering consistent automatic lighting control performance you can depend on.

Manufacturer Resources

Product Specs

Application:
Outdoor Lighting Control
Country Of Origin:
China
Input Voltage Rating Range S :
120-277 VAC, 50/60 Hz
Marketing Description:
This model combines a silicon diode photosensing element with thermal switch to provide a multivolt
Product Color:
Blue
Product Height:
2.22 in
Product Length:
NA NA
Product Weight:
NA lbs
Product Width:
NA in
Warranty Period:
2-Year limited
Product Depth:
NA in

Intermatic LC2100 – Frequently Asked Questions

1) Will the Intermatic LC2100 photocontrol work on a 277V parking lot lighting circuit?
Yes. The LC2100 thermal photocontrol is a multivolt unit rated 120-277 VAC at 50/60 Hz, so the same part covers a 120V residential porch circuit and a 277V commercial parking lot or area lighting circuit. That is the reason property managers and electrical contractors stock this one instead of separate 120V and 277V photocells.
2) Does the Intermatic LC2100 fit a standard twist-lock photocell receptacle on a light fixture?
It is a locking type photocontrol built to ANSI C136.10, which is the standard that defines the three-prong twist-lock photocontrol receptacle found on the top of most area lights, shoebox fixtures and cobra heads. If your fixture already has that round twist-lock socket, the LC2100 drops in and twists to lock. If your fixture has a stem-and-nut mount or a flush-mount photocell instead, this is not the right style.
3) Thermal photocontrol versus an electronic photocell, which should I use for dusk-to-dawn lighting?
The LC2100 is a thermal unit: a silicon diode senses the light level and heats a mechanical bimetal switch, which opens and closes the load. The bimetal introduces a built-in delay, so a passing car headlight or a lightning flash will not cycle the lamp, and it fails in a way that tends to leave the light on rather than off. Electronic photocontrols switch faster and more precisely but react more to brief light. For street, parking and perimeter lighting where nuisance switching is the complaint, the thermal unit is the usual pick.
4) Can I use one photocontrol to switch a whole row of parking lot lights, or do I need one per fixture?
The LC2100 is a locking type photocontrol that mounts to the ANSI C136.10 receptacle on an individual fixture, so the normal installation is one per light. Controlling a bank of fixtures from a single sensor is done with a photocontrol driving a lighting contactor, not by wiring multiple heads to one twist-lock cell. For a parking lot or an apartment common area where you want every pole to switch together and at the same instant, run the group through a contactor.
5) Which way should the window on the Intermatic photocontrol face after I install it?
The photosensing window should be aimed away from the lamp it controls and away from any other light source, which in the northern hemisphere means facing north. The LC2100 has a thermoplastic housing with a clear window over the silicon diode sensor, and the locking base lets you set the rotation and leave it there. Point it at the lamp or at a neighboring sign and the unit will read its own light and short-cycle.
6) How tall is the Intermatic LC2100 photocontrol, and will it clear a fixture shield or canopy?
Height is 2.22 inches for the LC2100 head. That is the figure to check against anything sitting above the fixture top, a bird guard, a house-side shield, or a canopy edge, since the unit has to have room to twist a third of a turn into the receptacle and then rotate the window toward north.
7) Is the Intermatic LC2100 photocontrol rated for outdoor exposure?
It is built for outdoor lighting control, in a weather-resistant thermoplastic housing that seals the sensing element and switch while passing light through the window. The locking mount also resists casual removal, which matters on street lighting and on unsecured parking structures where a tenant-accessible photocell gets tampered with.
8) What part number do I order for the Intermatic multivolt locking photocontrol, and what color is it?
The manufacturer part number is LC2100 and the housing is blue. On a maintenance crew that matters more than it sounds: color coding on photocontrol caps is how crews tell voltage families apart from the ground, so specify LC2100 by number rather than by cap color alone when you are matching what is already on the poles.
How fast can I get the Intermatic LC2100 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 LC2100 come with a warranty?
Absolutely. The Intermatic LC2100 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 LC2100?
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 LC2100 from ZenSupply?
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