{"product_id":"ks2712-beckhoff-2-channel-solid-state-relay-terminal-triac","title":"KS2712 BECKHOFF 2-Channel Solid State Relay Terminal (Triac)","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKS2712 (KS2712)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized 2-channel digital output terminal designed for switching AC loads using solid-state technology (Triacs). Operating within the Beckhoff Bus Terminal system, it is specifically engineered for high-cycle applications where traditional mechanical relays would fail due to contact wear. With a voltage range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12 to 230 V AC\u003c\/strong\u003e, the KS2712 is the primary B2B solution for controlling\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereversible motors\u003c\/strong\u003e, such as those found in blinds, shutters, and small actuators. The \"KS\" designation indicates that this model features a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epluggable wiring level\u003c\/strong\u003e, allowing for rapid field replacement without disconnecting individual conductors.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Switching Logic\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKS2712\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes two \"make contacts\" implemented as Triacs. This solid-state design enables an incredibly fast\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eswitch-on time of 0.1 ms\u003c\/strong\u003e, significantly faster than mechanical alternatives. Because it is a Triac-based device, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eswitch-off time is\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$T\/2$\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(half a cycle), as the device naturally stops conducting at the next zero-crossing of the AC sine wave.\u003c\/p\u003e\n\u003cp\u003eA critical feature of the KS2712 is its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esurge voltage protection (\u0026gt; 275 V AC)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand high peak current capability, handling up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e40 A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor short durations (16 ms). This makes it exceptionally resilient against the inrush currents typical of inductive loads like small motors and solenoids. The terminal provides superior safety with a dielectric strength test of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3750 V AC\u003c\/strong\u003e, ensuring total galvanic isolation between the K-bus logic and the high-voltage field side.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eKS2712\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBECKHOFF\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x Make Contacts (Solid State \/ Triac)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 to 230 V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax. Output Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40 A (16 ms)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitching Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOn: 0.1 ms \/ Off: \u003cspan class=\"math-inline\"\u003e$T\/2$\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResidual Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax. 1.5 V (at full load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLeakage Current (OFF)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically 0.8 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption (K-bus)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically 10 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 mm x 100 mm x 68 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, ATEX, DNV GL\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the KS2712 be used to reverse a motor directly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The KS2712 is specifically designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereversible AC motors\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(like those used in blinds). By using the two channels to control the \"Forward\" and \"Reverse\" windings, you can manage the direction of travel. However, ensure that the PLC logic prevents both outputs from being active simultaneously to avoid motor damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of \"KS\" pluggable wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKS series\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures a detachable neck. If a terminal needs to be replaced, you can unplug the entire wiring block as a single unit and insert it into a new terminal. This eliminates the risk of wiring errors and drastically reduces \"Mean Time to Repair\" (MTTR) in industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is there a leakage current in the OFF state?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSolid-state switches (Triacs) naturally have a small amount of leakage current (typ. 0.8 mA). While this is harmless for motors and solenoids, it is important to verify that very low-power loads (like some LED indicators) do not remain faintly lit when the output is technically \"OFF.\"\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe KS2712 is optimized for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eohmic and inductive\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eloads. For motors, ensure the rated current does not exceed\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5 A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eper channel. If your motor requires a higher current, use this terminal to trigger a larger power contactor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse a screwdriver to actuate the spring clamps. The KS2712 accepts wire cross-sections from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.08 to 1.5 mm²\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(AWG 28–16). Ensure a stripping length of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9 to 10 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto guarantee a gas-tight connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Area and Marine Use:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eATEX Zone 2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDNV GL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapprovals, this terminal is certified for use in explosive atmospheres and maritime applications. Always install the terminal in an enclosure that meets the IP requirements of the specific environment (e.g., a stainless steel cabinet for offshore use).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKS2712\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a maintenance-free switching solution for AC applications. Its solid-state design eliminates the arcing and mechanical wear associated with standard relays, ensuring a virtually unlimited switching lifespan. Compliance with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEN 61000-6-2\/4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor EMC ensures that the high-speed switching does not introduce interference into the control system. For B2B machine builders, the KS2712 offers a globally-certified, compact, and highly reliable method for controlling small AC motion components, backed by the flexibility of the Beckhoff Bus Terminal ecosystem.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106697830763,"sku":"KS2712","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ks2712-jsqfz55nnj2.png?v=1776245275","url":"https:\/\/www.plcprotech.com\/products\/ks2712-beckhoff-2-channel-solid-state-relay-terminal-triac","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}