Intermatic K4421M 120 VAC 50/60 Hz 1800 W Stem Mount Thermal Photocontrol

Product Description

The Intermatic K4421M is a stem mounting thermal photocontrol designed for outdoor lighting management. Operating at 120 VAC, it supports loads up to 1800 watts for tungsten and 1000 VA for ballasts. This control provides a reliable solution for maintaining dusk-to-dawn operation of outdoor lighting fixtures.

• Compatible with standard outdoor fixtures using 1/2-14 NPSM threads or 7/8 inch knockout holes.
• Features a mechanical bimetal switch and cadmium sulfide photocell for precise light activation.
• Offers delay action to prevent undesired OFF switching from car headlights or lightning.

Product Highlights

This thermal photocontrol is ideal for parking lot lighting, street lighting, landscape lighting, and applications requiring continuous outdoor lighting control.

Product Information

Standard Information

• Catalog Number: K4421M
• Manufacturer: Intermatic

Technical Specifications

• Voltage Rating: 120 VAC
• Amperage Rating: 15/8.3 A
• Tungsten Rating: 1800 W
• Ballast Load: 1000 VA
• Frequency Rating: 50/60 Hz
• Contact Form: SPST
• Sensitivity: 1 to 5 FC ON/3 to 15 FC OFF
• Environmental Conditions: -40 to 158 deg F Operating Temperature
• Material: Polycarbonate
• Dimensions: 1-15/16 in L x 1-15/16 in W x 3-3/4 in H