{"product_id":"beckhoff-km2614-bus-terminal-module","title":"Beckhoff KM2614 Bus Terminal Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBeckhoff KM2614\u003c\/strong\u003e is a high-power, 4-channel relay output terminal from the K-bus series, specifically engineered for direct load switching in building automation and heavy industrial applications. Unlike standard signal relays, the KM2614 features \u003cstrong\u003echange-over (SPDT) contacts\u003c\/strong\u003e capable of handling \u003cstrong\u003e16 A\u003c\/strong\u003e at 250 V AC. A standout feature of this module is the integrated \u003cstrong\u003emanual\/automatic override\u003c\/strong\u003e switch on each relay, allowing maintenance personnel to manually toggle outputs during system testing or commissioning without needing to engage the PLC software.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe KM2614 combines high switching capacity with the flexibility of manual control, making it an essential tool for local machine overrides.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Current Relay Control:\u003c\/strong\u003e Each of the four channels supports up to 16 A, allowing the direct switching of lighting circuits, pumps, or HVAC contactors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Override:\u003c\/strong\u003e Each relay has a physical switch for manual\/automatic operation. This is invaluable during field installation, enabling technicians to verify electrical connections or force an output \"on\" for testing without active communication from the central controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Switching:\u003c\/strong\u003e Designed to handle significant inrush currents, including lamp loads with electronic ballasts (starting currents up to 25 A).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e Offers 1.5 kV isolation between the K-bus logic and field potential, providing a high degree of protection against electrical noise and transient spikes from the AC supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eKM2614\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e4 x Change-over (SPDT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003e\u003cstrong\u003eMax. Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e16 A AC \/ 12 A DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e250 V AC \/ 30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eManual \/ Automatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e1.5 kV (K-bus \/ field)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e99 x 100 x 62 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary applications for the manual\/automatic switch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe manual override is primarily used during system commissioning and maintenance. It allows an operator to manually test a lighting zone or a motor contactor while the PLC is off-line or under service. It is also an essential safety fallback for testing if a communication error is suspected in the fieldbus network.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I switch inductive loads like motors with this terminal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, but you must respect the current de-rating for inductive loads. While the relay handles 16 A for ohmic loads, ensure your inductive load's surge\/inrush current does not exceed the relay’s contact capability. For large motors, this terminal should be used to control the coil of an external, larger contactor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the PLC know if the relay is in manual mode?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KM2614 is a standard output terminal. The PLC will continue to send its commanded state to the module. If an operator switches a relay to \"Manual,\" the relay will ignore the PLC's signal. It is a best practice to monitor the state of the system via feedback sensors if verifying that a manual override has occurred is critical to your safety logic.\u003c\/p\u003e\n\u003ch3\u003eEngineering Integration and Operational Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush Current Management:\u003c\/strong\u003e When controlling large banks of LEDs or fluorescent lamps with electronic ballasts, the starting current can be significantly higher than the running current. The KM2614 is rated for a 25 A starting current, which accommodates most standard commercial lighting circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation:\u003c\/strong\u003e Because this terminal switches 250 V AC, ensure strict physical separation between the 230 V power cabling and the low-voltage K-bus\/signal wiring inside your control cabinet to prevent EMI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Considerations:\u003c\/strong\u003e At 16 A per channel, the terminal may generate heat during sustained high-load operation. Ensure the cabinet has proper airflow and avoid mounting the KM2614 directly against other heat-generating modules if possible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Maintenance:\u003c\/strong\u003e While the relay is rated for $1 \\times 10^6$ electrical cycles, mechanical loads like heavy motors will wear out contacts faster. If you are switching a load more than a few times per minute, consider using an external solid-state relay (SSR) driven by the KM2614.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106607817067,"sku":"KM2614","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/km2614-eff4beelh5a.png?v=1776245267","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-km2614-bus-terminal-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}