Intermatic K4221C Stem and Swivel Mount Thermal Photocontrol, 120 V

IntermaticSKU: K4221C

Sale price $14.89
In stock


Specifications | Instructions

These photocontrols are provided with a swivel arm for easy and flexible installation to standard outdoor light fixtures or electrical boxes.


  • Mechanical bimetal switch with Cadmium Sulfide photocell
  • Delay feature prevents unwanted OFF switching
  • High strength, UV resistant plastic housing
  • Swivel with 1?2"-14 NPSM threaded stem
  • Washer gasket and locking nut included
  • #18 AWG, 6" wire leads


  • Outdoor Lighting Control


Input Voltage Range(s) 120 VAC, 50/60 Hz Usage Environments Outdoor
Photocontrol Style Stem and Swivel Mount 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
Basic Delivery Free to Customer No Basic Delivery Free to Installer Yes
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 Side Photocontrol Type Thermal
Rating General Purpose, Waterproof, Weather Resistant SO Customer Ship Surcharge 0.00
SO Installer Ship Surcharge 0.00 SO Store Ship Surcharge 0.00
Sensor Time Delay 30 sec to 90 sec Ship to Customer Delivery Option 99 - Manually Assign
Ship to Installer Delivery Option 99 - Manually Assign Ship to Store Delivery Option 99 - Manually Assign
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) 1 9/16
Product Depth (mm) 39.7 Product Height (in) 5
Product Height (mm) 139.7 Product Width (in) 1 9/16
Product Width (mm) 39.7 Unit Carton Height (in) 4.88
Unit Carton Length (in) 3 Unit Carton Weight (lb) 0.299
Unit Carton Width (in) 1.75

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