{"product_id":"eurofase-contactor-control-box","title":"Eurofase Contactor Control Box | EFCB24 Series","description":"\u003cdiv class=\"sc-commerce-structure\"\u003e\n\u003cp\u003e\u003cstrong\u003eEurofase EFCB24 is the Canadian-made multi-zone contactor control-box family for electrically switched on\/off infrared patio-heater zones.\u003c\/strong\u003e This listing covers the 120–240 V commercial models with \u003cstrong\u003eone, two, three or four independent heater zones\u003c\/strong\u003e. It is designed for professionally specified control by compatible wall switches, timers, thermostats or external automation signals—not continuous heater-output dimming.\u003c\/p\u003e\n\u003ch3\u003eFour manufacturer EFCB24 variants\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer SKU\u003c\/th\u003e\n\u003cth\u003eNominal control zones\u003c\/th\u003e\n\u003cth\u003eZone rating\u003c\/th\u003e\n\u003cth\u003eSupplier voltage code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFCB24M1\u003c\/td\u003e\n\u003ctd\u003e1 zone\u003c\/td\u003e\n\u003ctd\u003e40 A per zone\u003c\/td\u003e\n\u003ctd\u003e24: 120–240 V heater-supply family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFCB24M2\u003c\/td\u003e\n\u003ctd\u003e2 zones\u003c\/td\u003e\n\u003ctd\u003e40 A per zone\u003c\/td\u003e\n\u003ctd\u003e24: 120–240 V heater-supply family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFCB24M3\u003c\/td\u003e\n\u003ctd\u003e3 zones\u003c\/td\u003e\n\u003ctd\u003e40 A per zone\u003c\/td\u003e\n\u003ctd\u003e24: 120–240 V heater-supply family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFCB24M4\u003c\/td\u003e\n\u003ctd\u003e4 zones\u003c\/td\u003e\n\u003ctd\u003e40 A per zone\u003c\/td\u003e\n\u003ctd\u003e24: 120–240 V heater-supply family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e the 160 A figure in the EFCB manufacturer specification refers to the maximum \u003cstrong\u003efour-zone family\u003c\/strong\u003e, not a universal current allowance for every box. Individual zone nameplate limits, heater duty cycle, feeder\/circuit protection, conductor and breaker sizing must be confirmed against the installed variant and local Canadian code.\u003c\/p\u003e\n\u003ch3\u003eEFCB contactor-box specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer family\u003c\/th\u003e\n\u003ctd\u003eEFCB24, 1–4-zone Contactor Control Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eHeater-zone on\/off switching; no published proportional 0–10 V heat-regulation function for the EFCB contactor family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePublished zone capacity\u003c\/th\u003e\n\u003ctd\u003e40 A per zone per Eurofase model-family sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl-circuit supply\u003c\/th\u003e\n\u003ctd\u003e120 V control voltage stated by the Eurofase family specification; field wiring must follow the ordered model's schematic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e1- and 2-zone housing dimensions\u003c\/th\u003e\n\u003ctd\u003e14 in high × 12 in long × 6 in wide\/deep, per manufacturer drawing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e3- and 4-zone housing dimensions\u003c\/th\u003e\n\u003ctd\u003e16 in high × 14 in long × 6 in wide\/deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eSurface-mounted light-grey control cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHousing classification\u003c\/th\u003e\n\u003ctd\u003eNEMA 4 enclosure listed in Eurofase EFCB manufacturer family specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty \/ origin\u003c\/th\u003e\n\u003ctd\u003e3 years \/ Canada according to the manufacturer family specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eChoosing EFCB or EFURCB\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEFCB24:\u003c\/strong\u003e straightforward independently switched zones where heat is fully on or off. \u003cstrong\u003eEFURCB24:\u003c\/strong\u003e separately designed proportional \/ 0–10 V control architecture with a different 50 A-per-zone manufacturer specification. Choose the \u003ca href=\"\/products\/eurofase-universal-relay-control-box\"\u003eEFURCB universal relay family\u003c\/a\u003e if the system's design requires heat-output adjustment, not only on\/off timing.\u003c\/p\u003e\n\u003ch3\u003eIntegration into dealer and smart-home projects\u003c\/h3\u003e\n\u003cp\u003eEurofase's contactor specification describes use with appropriate manufacturer wall switches, timers, thermostats and compatible low-power automation switching. The actual control circuit must be designed by a licensed electrician. \u003cstrong\u003eA Lutron or other smart-home relay does not directly switch the heater load unless the exact device is specifically rated and approved for it.\u003c\/strong\u003e Where an upstream controller activates the Eurofase contactor, the contactor and correctly protected wiring perform the heater-load switching.\u003c\/p\u003e\n\u003cp\u003eFor advanced multi-zone commercial installations, begin with the heater schedule and electrical supply, then assign the required independent zones and select the M1–M4 hardware. Do not infer heater count directly from the zone count.\u003c\/p\u003e\n\u003ch3\u003eInstallation and enclosure selection\u003c\/h3\u003e\n\u003cp\u003eEFCB is a \u003cstrong\u003emains-voltage heater control cabinet\u003c\/strong\u003e, not a plug-in accessory. Confirm local code-compliant mounting surface, service access, branch and feeder protection, grounding, isolation\/disconnect, voltage, heater current, control-circuit connections, and environmental enclosure suitability with the installer. Although Eurofase supplies a general EFCB family technical sheet, the \u003cstrong\u003efinal EFCB variant wiring diagram and rating plate remain required for electrical installation\u003c\/strong\u003e. Eurofase's newer EFURCB 2026 manual covers a different control family and must not be substituted for EFCB wiring instructions.\u003c\/p\u003e\n\u003ch3\u003eHeater sizing reference\u003c\/h3\u003e\n\u003cp\u003eFor planning only, a single \u003ca href=\"\/products\/eurofase-ef40-4000w-240v-dual-element-infrared-patio-heater\"\u003e4,000 W EF40 at 240 V\u003c\/a\u003e draws approximately 16.7 A, and a single \u003ca href=\"\/products\/eurofase-ef60-6000w-240v-patio-heater\"\u003e6,000 W EF60 at 240 V\u003c\/a\u003e draws approximately 25 A. These figures do not alone establish permitted simultaneous loads on any EFCB zone. The installer must verify appropriate overcurrent protection and all manufacturer-specific wiring and duty requirements.\u003c\/p\u003e\n\u003ch3\u003eWhat comes with a contactor box?\u003c\/h3\u003e\n\u003cp\u003eThis listing is for one manufacturer EFCB24 contactor control enclosure in the selected zone count. The heater, remote or wall switch, timer, third-party control module, disconnect, conduit, wires and installation are not included unless independently specified. Use the manufacturer's actual packing and installation documents for detailed enclosure content.\u003c\/p\u003e\n\u003ch3\u003eManufacturer documents and technical references\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/eurofaseheating.com\/wp-content\/uploads\/2024\/03\/EH-Spec-Sheet-Contactor-Box_2024.pdf\" target=\"_blank\" rel=\"noopener\"\u003eEurofase EFCB family specification (PDF)\u003c\/a\u003e — voltage code, dimensions, 40 A zone capacity and NEMA 4 housing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/eurofaseheating.com\/wp-content\/uploads\/2025\/10\/EH-Brochure-2025_Final_10032025.pdf\" target=\"_blank\" rel=\"noopener\"\u003eEurofase Heating 2025 manufacturer brochure (PDF)\u003c\/a\u003e — EFCB24M1–M4 ordering examples\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/eurofase.com\/product\/control-box\/\" target=\"_blank\" rel=\"noopener\"\u003eEurofase official control-box family\u003c\/a\u003e — exact-model resources and electrical drawings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked project questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan EFCB dim heater output?\u003c\/strong\u003e Not as the basic manufacturer contactor system. Choose a suitable proportional control box and approved dimming interface when variable-output heating is a requirement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs M4 rated for a single 160 A heater?\u003c\/strong\u003e No. The manufacturer publishes 40 A per zone, with the family total representing independent zones, and actual circuit sizing needs professional approval.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan a third-party relay operate it?\u003c\/strong\u003e Potentially through a properly specified control input; verify exact electrical ratings, approved wiring and the installation plan before purchasing.\u003c\/p\u003e\n\u003cp\u003eSupply voltage, current per heater, quantity, zone count, switches\/timer expectations and installation location are required to finalize equipment selection. Proposed pricing, freight and availability remain pending confirmation.\u003c\/p\u003e\n\u003csection data-sc-eurofase=\"dealer-attach-20261027\"\u003e\u003ch3\u003eControl accessories for complete on\/off systems\u003c\/h3\u003e\n\u003cp\u003eDepending on the approved Eurofase switching design, an EFCB can be specified with a \u003ca href=\"\/products\/eurofase-efswt-15-minute-to-4-hour-countdown-heater-control-timer\"\u003eEFSWT countdown timer\u003c\/a\u003e or appropriately rated \u003ca href=\"\/products\/eurofase-weatherproof-single-dual-heater-wall-switches-surface-flush-mount\"\u003eweatherproof on\/off switches\u003c\/a\u003e. \u003cstrong\u003eThis EFCB contactor system is for on\/off control, not a 0–10 V dimming substitute.\u003c\/strong\u003e These accessories are sold separately and their electrical interface must be verified by the project electrician and supplier.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Eurofase","offers":[{"title":"1 Zone","offer_id":50486086828223,"sku":"EFCB24M1","price":1110.99,"currency_code":"CAD","in_stock":true},{"title":"2 Zones","offer_id":50486086860991,"sku":"EFCB24M2","price":1233.99,"currency_code":"CAD","in_stock":true},{"title":"3 Zones","offer_id":50486086893759,"sku":"EFCB24M3","price":1824.99,"currency_code":"CAD","in_stock":true},{"title":"4 Zones","offer_id":50486086926527,"sku":"EFCB24M4","price":2123.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0410\/6262\/9541\/files\/eurofase-contactor-control-box.jpg?v=1790188217","url":"https:\/\/www.simplycontrolled.ca\/products\/eurofase-contactor-control-box","provider":"Simply Controlled","version":"1.0","type":"link"}