Intermatic

For more than a century, customers have turned to Intermatic for reliable, easy-to-install lighting control and energy management solutions. Throughout our 130-year history as a family-owned business, we’ve worked to build strong relationships and deliver robust products that serve the electrical, pool and spa, HVAC/R, retail, and OEM markets. Today, we offer an extensive catalog of lighting and energy controls, surge protection devices, weatherproof covers, and Wi-Fi enabled solutions as we continue to evolve and push the industry forward.

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The Electronic Photo Control - Side Lens - Stem & Swivel Mount Improved ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life. Employs electronic components exclusively selected to meet extended life targets. Conformal coated PCB assemblies for long term.
Intermatic
The Electronic Photo Control - Side Lens - Stem & Swivel Mount Improved ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life. Employs electronic components exclusively selected to meet extended life targets. Conformal coated PCB assemblies for long term.
MFR: Intermatic
MFR #: EK4236S
UPC: 078275146303
Item #: 269738
In Stock -
$29.63 each
Availability
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Intermatic
The 120 V 50/60 Hz. 1800 Watt "T" Swivel Mounting The K4200 Series Photo Controls feature stern and swivel mounting, with thermal-type controls. Thermal-type photo controls, which are available in single or multi-voltage models, provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lightning. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: K4221C
UPC: 078275002029
Item #: 119726
In Stock -
$17.88 each
Availability
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Intermatic
Improved ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life. Employs electronic components exclusively selected to meet extended life targets. Conformal coated PCB assemblies for long term.
MFR: Intermatic
MFR #: EK4036S
UPC: 078275146280
Item #: 267026
In Stock -
$25.70 each
Availability
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Intermatic
The 120V 50/60Hz 1800W "T" FIX MOUNT The K4000 Series Fixed Position Mounting Photo Controls are thermal-type photo controls that fit into a standard outlet box, post lamp, or wall pack. The photo controls provide dusk-to-dawn lighting control, along with a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: K4021C
UPC: 078275002005
Item #: 47880
In Stock -
$15.98 each
Availability
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Intermatic
The Electronic Photo Control - Side Lens - Stem Mount Improved ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life. Employs electronic components exclusively selected to meet extended life targets. Conformal coated PCB assemblies for long term.
MFR: Intermatic
MFR #: EK4136S
UPC: 078275146297
Item #: 523536
In Stock -
$27.12 each
Availability
Location Available Qty
Intermatic
The 208-277 V 50/60 Hz. 3100-4150 Watt "T" Stem Mounting The K4100 & K4400 Series Photo Controls feature stem mounting, thermal-type, controls with single and multi-voltage models. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lighting. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes. These models are California Title 24 compliant.
MFR: Intermatic
MFR #: K4123C
UPC: 078275029590
Item #: 170145
In Stock -
$24.62 each
Availability
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Intermatic
The 208-277V 50/60Hz 3100-4100W "T" FIX The K4000 Series Fixed Position Mounting Photo Controls are thermal-type photo controls that fit into a standard outlet box, post lamp, or wall pack. The photo controls provide dusk-to-dawn lighting control, along with a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: K4023C
UPC: 078275029576
Item #: 169485
In Stock -
$20.59 each
Availability
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Intermatic
WallMountElectronic Photocontrol
MFR: Intermatic
MFR #: EK4336S
UPC: 078275148314
Item #: 385980
In Stock -
$30.67 each
Availability
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Intermatic
Standard Photo Control ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life (LED and EK models). Employs electronic components exclusively selected to meet extended life targets.
MFR: Intermatic
MFR #: ELC4536
UPC: 078275142961
Item #: 225465
In Stock -
$14.77 each
Availability
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Intermatic
The 120 V 50/60 Hz. 2000 Watt "T" Thin Line for Flood/Spot Fixtures Swivel Mtg. The K4200 Series Photo Controls feature stern and swivel mounting, with thermal-type controls. Thermal-type photo controls, which are available in single or multi-voltage models, provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lightning. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: K4251
UPC: 078275067752
Item #: 103280
In Stock -
$20.59 each
Availability
Location Available Qty
Intermatic
Select Grade ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life (LED and EK models). Employs electronic components exclusively selected to meet extended life targets.
MFR: Intermatic
MFR #: EK4536
UPC: 078275130173
Item #: 59639
In Stock -
$21.52 each
Availability
Location Available Qty
Intermatic
The 208-277 V 50/60 Hz. 3100-4150 Watt "T" Swivel Mounting The K4200 Series Photo Controls feature stern and swivel mounting, with thermal-type controls. Thermal-type photo controls, which are available in single or multi-voltage models, provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lightning. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: K4223C
UPC: 078275056954
Item #: 53010
In Stock -
$21.56 each
Availability
Location Available Qty
Intermatic
The 120V 50/60Hz 1000 WATT "T" LOCKING TYPE The LC4500 Series Photo Controls feature low cost locking-type mounting, and thermal-type controls for street lighting and other applications requiring a twist and lock type plug connection. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and polypropylene case to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: LC4521C
UPC: 078275002043
Item #: 90875
In Stock -
$14.86 each
Availability
Location Available Qty
Intermatic
The 125 V 50/60 Hz. 3000 Watt "T" Stem Mounting The K4100 & K4400 Series Photo Controls feature stem mounting, thermal-type, controls with single and multi-voltage models. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lighting. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes. These models are California Title 24 compliant.
MFR: Intermatic
MFR #: K4141C
UPC: 078275029583
Item #: 100493
In Stock -
$39.02 each
Availability
Location Available Qty
Intermatic
The Electronic Photo Control - Top Lens - Stem & Swivel Mount Improved ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life. Employs electronic components exclusively selected to meet extended life targets. Conformal coated PCB assemblies for long term.
MFR: Intermatic
MFR #: EK4736S
UPC: 078275146310
Item #: 281336
In Stock -
$29.63 each
Availability
Location Available Qty
Intermatic
The 120V 50/60Hz 1800W "T" NEMA3R WALPLT FIX The K4000 Series Fixed Position Mounting Photo Controls are thermal-type photo controls that fit into a standard outlet box, post lamp, or wall pack. The photo controls provide dusk-to-dawn lighting control, along with a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: K4321C
UPC: 078275002036
Item #: 92998
In Stock -
$16.66 each
Availability
Location Available Qty
Intermatic
Specific Grade ON/OFF switching with high quality relays. Zero-crossing electronic circuitry for extended life (LED and EK models). Employs electronic components exclusively selected to meet extended life targets.
MFR: Intermatic
MFR #: LED4536SC
UPC: 078275143647
Item #: 224451
In Stock -
$36.77 each
Availability
Location Available Qty
Intermatic
The 120-277V 50/60Hz 1800-4100W "T" SWIV MNT The K4200 Series Photo Controls feature stern and swivel mounting, with thermal-type controls. Thermal-type photo controls, which are available in single or multi-voltage models, provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lightning. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: K4236C
UPC: 078275029606
Item #: 146176
Available to Order
$35.33 each
Availability
Location Available Qty
Intermatic
The 120 V 50/60 Hz 1800 Watt "T" Die Cast Metal Housing Stem Mounting The K4100 & K4400 Series Photo Controls feature stem mounting, thermal-type, controls with single and multi-voltage models. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lighting. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes. These models are California Title 24 compliant.
MFR: Intermatic
MFR #: K4421M
UPC: 078275105997
Item #: 116395
In Stock -
$20.93 each
Availability
Location Available Qty
Intermatic
The 120 V 50/60 Hz. 1000 Watt "T" w/Lightning Arrestor Locking Type The LC4500 Series Photo Controls feature low cost locking-type mounting, and thermal-type controls for street lighting and other applications requiring a twist and lock type plug connection. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and polypropylene case to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: LC4521LA
UPC: 078275002661
Item #: 89277
In Stock -
$17.67 each
Availability
Location Available Qty
Intermatic
The 120 V 50/60 Hz. 1800 Watt "T" Stem Mounting The K4100 & K4400 Series Photo Controls feature stem mounting, thermal-type, controls with single and multi-voltage models. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights, and lighting. The thermal-type controls feature a cadmium sulfide photocell and a sonic-welded polycarbonate case and lens to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes. These models are California Title 24 compliant.
MFR: Intermatic
MFR #: K4121C
UPC: 078275002012
Item #: 189995
In Stock -
$18.08 each
Availability
Location Available Qty
Intermatic
The 120-277V 50/60Hz 1000-2300W "T" LOCK TYP The LC4500 Series Photo Controls feature low cost locking-type mounting, and thermal-type controls for street lighting and other applications requiring a twist and lock type plug connection. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and polypropylene case to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: LC4536C
UPC: 078275029552
Item #: 170777
In Stock -
$21.71 each
Availability
Location Available Qty
Intermatic
The 120-277V 50/60Hz 1000-2300W "T" W/LTG LK The LC4500 Series Photo Controls feature low cost locking-type mounting, and thermal-type controls for street lighting and other applications requiring a twist and lock type plug connection. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and polypropylene case to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: LC4536LAC
UPC: 078275029569
Item #: 99440
In Stock -
$25.63 each
Availability
Location Available Qty
Intermatic
The 480V 50/60Hz 1000 WATT "T" LOCKING TYPE The LC4500 Series Photo Controls feature low cost locking-type mounting, and thermal-type controls for street lighting and other applications requiring a twist and lock type plug connection. Thermal-type photo controls provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching OFF due to car headlights and lightning. The thermal-type controls feature a cadmium sulfide photocell and polypropylene case to seal out moisture. The design utilizes a dual temperature compensating bimetal and composite resistor for reliable long life operation over ambient temperature extremes.
MFR: Intermatic
MFR #: LC4535
UPC: 078275002678
Item #: 172152
In Stock -
$38.25 each
Availability
Location Available Qty
Intermatic
ThIS Photocontrol is an economical, multivoltage photocontrol designed with a non-drifting, IR filtered silicon light sensor to provide consistent ON/OFF triggering and a thermal bi-metallic switch.
MFR: Intermatic
MFR #: LC2100
UPC: 078275148826
Item #: 557513
In Stock -
$19.13 each
Availability
Location Available Qty
Intermatic
The SLD ON/OFF150DG WH INCD-MAG FLUR CTRL The IOS-DPSIMF can monitor virtually any area within a building. It incorporates passive infrared technology to detect human presence in a room. It monitors a specific area to detect heat generated naturally by people. When the heat is detected the lighti
MFR: Intermatic
MFR #: IOS-DSIMF-WH
UPC: 078275125292
Item #: 259191
Available to Order
$24.15 each
Availability
Location Available Qty
Intermatic
CEILING OC SENSOR PWR PCK
MFR: Intermatic
MFR #: IOS-PP24
UPC: 078275139930
Item #: 493408
In Stock -
$66.10 each
Availability
Location Available Qty
Intermatic
SHORTING CAP-ANSI
MFR: Intermatic
MFR #: SK4500K
UPC: 078275151222
Item #: 1160431
In Stock -
$7.36 each
Availability
Location Available Qty