Intermatic Stem Mount Thermal Photocontrol, 120V, Model K4121C

• Mechanical bimetal switch with Cadmium Sulfide photocell
• Delay feature prevents unwanted OFF switching
• Gray plastic housing
• 1⁄2"-14 NPSM threaded stem
• Washer gasket and locking nut included
• #18 AWG, 9" wire leads

Sensor Time Delay: 30 sec to 90 sec
Photocell Type: Cadmium Sulfide
Photo Control Switch Type: Mechanical Bimetal
Fail Mode: ON
Activation On: 1 to 5 fc
Activation Off: 3 to 15 fc
Photocontrol Type: Thermal
Application Compatibilities: HID; Fluorescent; Incandescent
Photocontrol Style: Stem Mount
Photocontrol Sensor Location: Side
Product Height (in): 3
Product Height (mm): 76.2
Product Width (in): 1 9/16
Product Width (mm): 39.7
Product Depth (in): 1 9/16
Product Depth (mm): 39.7
Wire Lead Length (in): 9
Wire Lead Length (mm): 228.6
Wire Size Max: #18 AWG
Cover Color: Gray
Housing Material: Polycarbonate
Load Ratings
Magnetic Ballast Range(s): 8.3 A, 1000 VA
Tungsten Range(s): 15 A, 1800 W

Wiring Option: Wire leads
Input Voltage Range(s): 120 VAC, 50/60 Hz
Expected Lifetime (Years): 5
Expected Lifetime (Operations): 3650
Temperature (operation): -40°C..70°C
Usage Environments: Outdoor
Country of Origin (Intermatic): MEXICO
Warranty Period: 2-Year limited

Technical Information

Instruction

Shipping 
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Warehouse Pickup 
Same day pickup is available for orders placed on weekdays before 1:30PM (EST). For orders placed after 1:30PM, pickup will be available the next business day. For more information and exceptions, please refer to our Warehouse Pickup Policy.

Returns & Refund
You can return a product for up to 30 days following the date you purchased it. For more information and exceptions, please refer to our Return/Refund Policy.