Stem Mount Thermal Photocontrol, 120 V

Stem Mount Thermal Photocontrol, 120 V - Outdoor Lighting Control This Stem Mount Thermal Photocontrol by Intermatic provides dusk-to-dawn ON/OFF control for outdoor lighting applications. Designed for installation on standard outdoor light fixtures and electrical boxes with 1/2"-14 NPSM thread or 7/8" knock-out holes, it is suitable for electrical distributors and lighting solutions requiring reliable automatic lighting control. The device features a mechanical bimetal switch with a Cadmium Sulfide photocell, ensuring effective switching based on ambient light conditions. Specifications Manufacturer: Intermatic Model Number: K4121C Input Voltage: 120 VAC, 50/60 Hz Photocontrol Type: Thermal Photocell Type: Cadmium Sulfide Switch Type: Mechanical Bimetal Activation On: 1 to 5 foot-candles Activation Off: 3 to 15 foot-candles Sensor Time Delay: 30 to 90 seconds Application Compatibility: HID, Fluorescent, Incandescent Photocontrol Style: Stem Mount Photocontrol Sensor Location: Side Operating Temperature Range: -40°C to 70°C (-40°F to 158°F) Dimensions (H x W x D): 3 in x 1.562 in x 1.562 in Wire Lead Length: 9 inches, #18 AWG Housing Material: Polycarbonate Cover Color: Gray Load Ratings: Tungsten 15 A, 1800 W; Magnetic Ballast 8.3 A, 1000 VA Country of Origin: Mexico UL and cCSAus Certified Warranty: 2-Year Limited Features Mechanical bimetal switch with Cadmium Sulfide photocell for accurate light sensing Delay feature prevents unwanted OFF switching due to transient lighting changes Gray polycarbonate housing ensures durability in outdoor environments 1/2"-14 NPSM threaded stem for secure and standardized mounting Includes washer gasket and locking nut for proper installation seal Side-mounted sensor optimizes light detection Fail mode ON to maintain lighting in case of photocontrol failure Compatible with various outdoor lighting types including HID, fluorescent, and incandescent Downloads & Links Spec Sheet Instruction Sheets