{"product_id":"25a-single-phase-solid-state-relay-dc-input-control-3-32vdc-ac-load-480vac","title":"25A Single Phase Solid State Relay - DC Input Control 3-32VDC (AC Load 480VAC)","description":"\u003cp\u003eThis \u003cstrong\u003e25A single phase Solid State Relay\u003c\/strong\u003e is part of Novus's economical range of SSRs — reliable, branded devices that perform well in industrial environments, well suited to switching cartridge heaters, resistive elements, and general AC loads. Controlled by 3-32VDC, it switches AC loads from 40-480VAC at up to 25A.\u003c\/p\u003e\n\u003cp\u003eSolid state relays are used for switching resistive and inductive loads, outperforming conventional mechanical relays with a life cycle measured in millions of operations, high switching speed with no mechanical or electrical noise, no dangerous sparks or wear, and low power needed for switching — a perfect choice when high control accuracy is fundamental.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003e1 Year Manufacturer Warranty\u003c\/strong\u003e — backed by our UK-based technical support\u003c\/p\u003e\n\u003cp\u003e\u003cimg data-mce-fragment=\"1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0501\/5794\/5002\/files\/PDF_32_480x480.png?v=1644302486\" alt=\"\" width=\"32\" height=\"32\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(43, 0, 255);\" title=\"Novus SSR-4825 Datasheet Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0501\/5794\/5002\/files\/solidsaterelayssr_100to300ampere_flyers_v2.0_en_1.pdf?v=1661247714\"\u003eNovus SSR-4825 Datasheet Download\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0501\/5794\/5002\/files\/PDF_32_480x480.png?v=1644302486\" width=\"32\" height=\"32\"\u003e\u003cstrong\u003e\u003ca title=\"Novus SSR-4825 Manual Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0501\/5794\/5002\/files\/manual_ssr_10-100a_v10x_c_en.pdf?v=1679589311\" style=\"color: rgb(43, 0, 255);\"\u003eNovus SSR-4825 Manual Download\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cp\u003eAC Load: 40-480 VAC @ 25A\u003c\/p\u003e\n\u003cp\u003eDC Control: 3-32 Vdc\u003c\/p\u003e\n\u003cp\u003eSwitching: Zero crossing, optically isolated, dv\/dt protection\u003c\/p\u003e\n\u003cp\u003eIndication: Switching status indicator LED\u003c\/p\u003e\n\u003cp\u003eConstruction: Secure screw terminals, terminal shield, mounting pad, CE marked\u003c\/p\u003e\n\u003cp\u003eDoes not generate EMI\/RFI\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Novus PID controllers is this compatible with?\u003c\/strong\u003e\u003cbr\u003eAny Novus PID controller with a pulse output (PR\/PRRR-suffixed models across the N1020, N1030, N1040, N1050 and N20K48 ranges) can drive this SSR directly from its control-side DC output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work with a non-Novus controller?\u003c\/strong\u003e\u003cbr\u003eYes — this is a universal DC-controlled SSR, triggered by any 3-32VDC signal within its input range. It's not limited to Novus controllers and works equally well with other brand temperature controllers, PLCs, and process controllers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this need a heatsink?\u003c\/strong\u003e\u003cbr\u003eFor continuous high-current loads a heatsink is recommended to keep the SSR within its operating temperature range — see our SSR + Heatsink bundles for a ready-matched option.\u003c\/p\u003e\n\u003ch3\u003eIndustry Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCartridge Heaters \u0026amp; Resistive Elements\u003c\/strong\u003e — clean, silent switching without mechanical wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOven \u0026amp; Kiln Control\u003c\/strong\u003e — pairs directly with Novus PID temperature controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Cycle Industrial Processes\u003c\/strong\u003e — millions of switching operations without contact degradation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Novus","offers":[{"title":"Default Title","offer_id":37056469369002,"sku":"8824011025","price":14.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/5794\/5002\/files\/Novus_Single_Phase_SSR.png?v=1762927647","url":"https:\/\/www.production-automation.co.uk\/products\/25a-single-phase-solid-state-relay-dc-input-control-3-32vdc-ac-load-480vac","provider":"Production Automation","version":"1.0","type":"link"}