Intermatic K4321C Wall Mount Thermal Photocontrol, 120 V

IntermaticSKU: K4321C

Sale price $16.30
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Specifications | Instructions

Intermatic’s wall mount thermal-type photocontrol installs into standard outdoor single-gang electrical boxes. The photocontrol provides dusk-to-dawn lighting control. Compatible with Fluorescent, HID, and Incandescent bulbs.


  • Mechanical bimetal switch with cadmium sulfide photocell
  • Delay feature prevents unwanted ON/OFF switching
  • Fail ON Mode
  • Includes weatherproof wall plate and neoprene gasket


  • Outdoor Lighting Control


Input Voltage Range(s) 120 VAC, 50/60 Hz Usage Environments Outdoor
Photocontrol Style In-Wall Warranty Period 2-Year limited
Wiring Option Wire leads Application Compatibilities Fluorescent, HID, Incandescent
Activation Off 3 to 15 fc Activation On 1 to 5 fc
Category Fixed Mount Thermal Photocontrols Web Cover Color Gray
Fail Mode ON Housing Material Polycarbonate
Magnetic Ballast (NO) 8.3 A, 1000 VA Magnetic Ballast Range(s) 8.3 A, 1000 VA
Photo Control Switch Type Mechanical Bimetal Photocell Type Cadmium Sulfide
Photocontrol Sensor Location Front Photocontrol Type Thermal
Sensor Time Delay 30 sec to 90 sec Tungsten (NO) 15 A, 1800 W
Tungsten Range(s) 15 A, 1800 W Wire Size Max #18 AWG
Operating Temperature Max (°C) 70 Operating Temperature Max (°F) 158
Operating Temperature Min (°C) -40 Operating Temperature Min (°F) -40
Product Depth (in) 13/16 Product Depth (mm) 20.6
Product Height (in) 1 13/16 Product Height (mm) 46
Product Width (in) 15/16 Product Width (mm) 23.8
Unit Carton Height (in) 4.88 Unit Carton Length (in) 3
Unit Carton Weight (lb) 0.375 Unit Carton Width (in) 1.75

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