{"product_id":"intermatic-button-thermal-photocontrol-120-v-model-k4021c","title":"INTERMATIC Button Thermal Photocontrol 120 V, Model K4021C","description":"\u003cp style=\"padding: 12px;\"\u003eThe Intermatic K4021C is a 120V button-style thermal photocontrol designed for professional electricians and contractors who need dependable dusk-to-dawn switching on outdoor lighting installations. Its compact button form factor makes it a natural fit for post-top lanterns, wall packs, and decorative fixtures where a low-profile mount is preferred. The mechanical bimetal switch paired with a front-mounted Cadmium Sulfide (CdS) photocell delivers proven, field-tested performance, while the built-in sensor time delay prevents nuisance tripping from passing headlights or brief cloud cover — reducing callbacks and keeping installations running exactly as intended.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.1em; font-weight: bold; margin-top: 20px; margin-bottom: 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eInput Voltage\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e120 VAC, 50\/60 Hz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eMounting Style\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eButton\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eStem Size\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3\/8\" diameter, 3\/8\"-18 NPSM thread\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eSwitch Type\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMechanical Bimetal, SPST\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003ePhotocell Type\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCadmium Sulfide (CdS), Front-mounted sensor\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eActivation (Turn ON)\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1 to 5 fc\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eActivation (Turn OFF)\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3 to 15 fc\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eSensor Time Delay\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e30 sec to 90 sec\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eFail Mode\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eON\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eCompatible Lamp Types\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFluorescent, HID, Incandescent\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eIncandescent \/ Tungsten Load\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e15 A \/ 1800 W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eMagnetic Ballast Load\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e8.3 A \/ 1000 VA\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eHousing Material\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePolycarbonate (UV resistant)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eColour\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrey\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eUsage Environment\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eOutdoor\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eOperating Temperature\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e-40°C to 70°C (-40°F to 158°F)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eWire Leads\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e#18 AWG\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eCertifications\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ecULus, cCSAus, Green Energy, Title 20\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eCountry of Origin\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMexico\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eWarranty\u003c\/td\u003e\n    \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2-Year Limited\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e","brand":"INTERMATIC","offers":[{"title":"Default Title","offer_id":48359028654335,"sku":"INT-K4021C","price":33.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/0479\/9487\/files\/195328_k4021c.png?v=1775081213","url":"https:\/\/shop.iesupply.ca\/products\/intermatic-button-thermal-photocontrol-120-v-model-k4021c","provider":"Independent Electric Supply","version":"1.0","type":"link"}