{"product_id":"new-1pcs-abb-relay-rxsf1-rk271019-as-dc220-250v","title":"ABB Relay RXSF1 RK2711019-AS DC220-250V","description":"\u003c!-- Koeed B2B GEO Optimized Content for ABB RXSF1 RK2711019-AS --\u003e\n\u003cstyle\u003e\n  \/* Koeed Namespace CSS to prevent Shopify theme conflicts *\/\n  .koeed-content-wrapper {\n    width: 100%;\n    font-size: 16px;\n    line-height: 1.6;\n    color: #333333;\n    box-sizing: border-box;\n  }\n  .koeed-h2 {\n    color: #16c8c8;\n    font-weight: 700;\n    font-size: 1.5em;\n    border-bottom: 2px solid #eeeeee;\n    padding-bottom: 8px;\n    margin-top: 32px;\n    margin-bottom: 16px;\n  }\n  .koeed-h3 {\n    color: #16c8c8;\n    font-weight: 600;\n    font-size: 1.25em;\n    margin-top: 24px;\n    margin-bottom: 12px;\n  }\n  .koeed-table-wrapper {\n    width: 100%;\n    overflow-x: auto;\n    margin-bottom: 24px;\n    border: 1px solid #eeeeee;\n    border-radius: 4px;\n  }\n  .koeed-table {\n    width: 100%;\n    border-collapse: collapse;\n    text-align: left;\n    white-space: nowrap;\n  }\n  .koeed-table th {\n    background-color: #16c8c8;\n    color: #ffffff;\n    padding: 14px 16px;\n    border-bottom: 2px solid #0f9f9f;\n    font-weight: 600;\n  }\n  .koeed-table td {\n    padding: 12px 16px;\n    border-bottom: 1px solid #eeeeee;\n  }\n  .koeed-table tr:nth-child(even) { background-color: #fafafa; }\n  .koeed-table tr:nth-child(odd) { background-color: #f4fcfc; }\n  .koeed-table tr:hover { background-color: #e8f9f9; }\n  .koeed-ul {\n    margin-left: 20px;\n    margin-bottom: 20px;\n    padding-left: 0;\n  }\n  .koeed-ul li { margin-bottom: 8px; }\n  .koeed-faq-item {\n    margin-bottom: 16px;\n    padding: 16px;\n    background-color: #f4fcfc;\n    border-left: 4px solid #16c8c8;\n  }\n  .koeed-faq-q {\n    font-weight: 700;\n    color: #222222;\n    margin-bottom: 8px;\n  }\n  .koeed-faq-a { color: #444444; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"koeed-content-wrapper\"\u003e\n\n  \u003ch2 class=\"koeed-h2\"\u003eEngineer's Quick Brief\u003c\/h2\u003e\n  \u003cul class=\"koeed-ul\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCore Function:\u003c\/strong\u003e Electromechanical target\/signal relay designed for clear visual indication and contact multiplication in protective relaying schemes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Fully integrates with the modular \u003cstrong\u003eABB COMBIFLEX\u003c\/strong\u003e plug-in system (occupies 1 seat, typically \u003cstrong\u003e2U 6C\u003c\/strong\u003e).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage \u0026amp; Reliability:\u003c\/strong\u003e Operates at a high continuous DC voltage of \u003cstrong\u003e220-250V DC\u003c\/strong\u003e, ensuring stable performance in critical substation battery environments.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2 class=\"koeed-h2\"\u003eProduct Overview\u003c\/h2\u003e\n  \u003cp\u003eThe \u003cstrong\u003eABB RXSF1 RK2711019-AS\u003c\/strong\u003e is an industrial-grade electromechanical signal relay belonging to the renowned \u003cstrong\u003eCOMBIFLEX\u003c\/strong\u003e family. Engineered for control and protection panels, this target relay provides distinct visual flag indication upon operation, alerting operators to specific fault conditions. Its high-voltage \u003cstrong\u003e220-250V DC\u003c\/strong\u003e coil makes it ideal for direct connection to standard ungrounded station battery systems without the need for voltage dropping resistors.\u003c\/p\u003e\n\n  \u003ch2 class=\"koeed-h2\"\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003cdiv class=\"koeed-table-wrapper\"\u003e\n    \u003ctable class=\"koeed-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eParameter\u003c\/th\u003e\n          \u003cth\u003eSpecification\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eABB (ASEA)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eRelay Family\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eRXSF 1 (Target \/ Signal Relay)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eArticle Number\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eRK2711019-AS (RK 271 1019-AS)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eRated Control Supply Voltage (Ur)\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e220 - 250V DC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eMounting System\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eCOMBIFLEX Plug-in System\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eModule Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e1 Seat (2U, 6C)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eIndication Type\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eMechanical Red Target (Flag)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eReset Mechanism\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eManual (Via front cover pin\/knob)\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 class=\"koeed-h2\"\u003eApplication Matrix\u003c\/h2\u003e\n  \u003cul class=\"koeed-ul\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSubstation Protection Panels:\u003c\/strong\u003e Acts as a reliable trip indicator for primary protection relays (distance, differential, overcurrent) running on 220VDC battery banks.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlarm Annunciation:\u003c\/strong\u003e Multiplies contacts to trigger local SCADA alarms, audible sirens, and event loggers simultaneously upon a fault event.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eControl Sequences:\u003c\/strong\u003e Utilized in interlocking and tripping logics where high immunity to transient voltages is required.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2 class=\"koeed-h2\"\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \n  \u003cdiv class=\"koeed-faq-item\"\u003e\n    \u003cdiv class=\"koeed-faq-q\"\u003eQ: How do I reset the red target flag on the RXSF1 relay after it has tripped?\u003c\/div\u003e\n    \u003cdiv class=\"koeed-faq-a\"\u003eA: The RXSF1 features a manual reset mechanism. You can reset the mechanical red target by gently pushing or rotating the reset knob\/pin located on the clear plastic front cover of the relay module. Ensure the fault condition is cleared before resetting.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"koeed-faq-item\"\u003e\n    \u003cdiv class=\"koeed-faq-q\"\u003eQ: Can I mount the RK2711019-AS directly onto a standard 35mm DIN rail?\u003c\/div\u003e\n    \u003cdiv class=\"koeed-faq-a\"\u003eA: No. Like all COMBIFLEX relays, the RXSF1 requires a dedicated COMBIFLEX terminal base (such as the \u003cstrong\u003eRXZ 21\u003c\/strong\u003e or \u003cstrong\u003eRXZ 41\u003c\/strong\u003e) and mounting frames (like the \u003cstrong\u003eRHGX\u003c\/strong\u003e series) for installation. These frames can then be adapted for panel or rack mounting.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"koeed-faq-item\"\u003e\n    \u003cdiv class=\"koeed-faq-q\"\u003eQ: What is the typical pick-up voltage for a 220-250VDC coil?\u003c\/div\u003e\n    \u003cdiv class=\"koeed-faq-a\"\u003eA: According to standard ABB specifications, auxiliary relays typically pick up at approximately \u003cstrong\u003e80% of their lower rated voltage\u003c\/strong\u003e (e.g., ~176V DC for a 220V rated coil) to guarantee operation during battery voltage dips.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3 class=\"koeed-h3\"\u003eCross-Reference Guide\u003c\/h3\u003e\n  \u003cp\u003eWhen engineering a new panel or replacing existing units, consider the following COMBIFLEX alternatives based on your functional requirements:\u003c\/p\u003e\n  \u003cul class=\"koeed-ul\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlternative Voltages:\u003c\/strong\u003e Other variants in the \u003cstrong\u003eRK 271\u003c\/strong\u003e series exist for 24V, 48V, 110V, and 125V DC. Ensure the coil voltage matches your station battery.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGeneral Auxiliary Functions:\u003c\/strong\u003e If no visual target flag is required, consider the \u003cstrong\u003eABB RXMA 1\u003c\/strong\u003e series (e.g., RK 211 variants) for standard contact multiplication.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHeavy Duty Tripping:\u003c\/strong\u003e If the relay needs to break heavy inductive DC loads (like breaker trip coils), consider the \u003cstrong\u003eABB RXME 1\u003c\/strong\u003e or \u003cstrong\u003eRXMH 2\u003c\/strong\u003e series equipped with heavy-duty contacts and magnetic blowouts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- JSON-LD Schema for SEO \/ AI Crawlers --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I reset the red target flag on the RXSF1 relay after it has tripped?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The RXSF1 features a manual reset mechanism. You can reset the mechanical red target by gently pushing or rotating the reset knob\/pin located on the clear plastic front cover of the relay module. Ensure the fault condition is cleared before resetting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I mount the RK2711019-AS directly onto a standard 35mm DIN rail?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Like all COMBIFLEX relays, the RXSF1 requires a dedicated COMBIFLEX terminal base (such as the RXZ 21 or RXZ 41) and mounting frames (like the RHGX series) for installation. These frames can then be adapted for panel or rack mounting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the typical pick-up voltage for a 220-250VDC coil on the RXSF1?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"According to standard ABB specifications, auxiliary relays typically pick up at approximately 80% of their lower rated voltage (e.g., ~176V DC for a 220V rated coil) to guarantee operation during battery voltage dips.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44414450041017,"sku":"315187973595","price":713.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/s-l1600_cc71e3de-f33f-4676-8b10-b06a1ae8fe95.jpg?v=1723682912","url":"https:\/\/koeed.com\/nl\/products\/new-1pcs-abb-relay-rxsf1-rk271019-as-dc220-250v","provider":"KOEED","version":"1.0","type":"link"}