Intermatic Stem and Swivel Mount Thermal Photocontrol, 120V, Model K4251

• 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

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 and Swivel Mount
Photocontrol Sensor Location: Top
Product Height (in): 4
Product Height (mm): 101.6
Product Width (in): 1 3/8
Product Width (mm): 34.9
Product Depth (in): 1 3/8
Product Depth (mm): 34.9
Wire Lead Length (in): 6
Wire Lead Length (mm): 152
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..60°C
Usage Environments: Outdoor
Country of Origin (Intermatic): CHINA
Warranty Period: 1-Year limited

Technical Sheet

Instruction

Shipping 
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Warehouse Pickup 
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Returns & Refund
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