{"product_id":"abb-1mrk000284-aa-relion-binary-input-module","title":"ABB 1MRK000284-AA Relion Binary Input Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ABB 1MRK000284-AA is a rugged, high-density 24-channel Binary Input Module designed as a core component of the globally trusted ABB Relion protection and control family. Engineered to capture rapid on\/off states from mechanical limit switches, emergency stop pushbuttons, and industrial sensors, this module ensures millisecond-accurate signal telemetry for power system protection and substation automation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: ABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number \/ Hardware Code\u003c\/strong\u003e: 1MRK000284-AA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Family\u003c\/strong\u003e: Relion Series Protection \u0026amp; Control Ecosystem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCore Function\u003c\/strong\u003e: High-Density Binary Input Acquisition Node\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Input Channels\u003c\/strong\u003e: 24 independently configurable binary inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperational Input Voltage Window\u003c\/strong\u003e: 24 V DC to 250 V DC (Hardware software configuration dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuxiliary Output Contact Type\u003c\/strong\u003e: Dry contact mechanical Relay layout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Contact Capacity\u003c\/strong\u003e: 2 A maximum continuous current at 250 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation Barrier\u003c\/strong\u003e: Channel-to-channel and channel-to-bus galvanic isolation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Infrastructure\u003c\/strong\u003e: Standard 35 mm DIN rail clipping or flush interior panel mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLocal Telemetry \u0026amp; HMI\u003c\/strong\u003e: Onboard per-channel diagnostic status LEDs and localized physical Test Button\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Mechanical Ingress Rating\u003c\/strong\u003e: IP20 standard protection class\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Environmental Thermal Limits\u003c\/strong\u003e: -40°C to +70°C (-40°F to 158°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Housing Dimensions\u003c\/strong\u003e: 15.6 cm (Width) x 12.5 cm (Depth) x 8.1 cm (Height)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Hardware Unit Weight\u003c\/strong\u003e: 0.7 kg (1.54 lbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIndustrial Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ABB 1MRK000284-AA is deployed inside the low-voltage control compartments of high-voltage circuit breakers, generation switchgear, and central grid marshalling kiosks.\u003c\/p\u003e\n\u003cp\u003eWithin utility-scale power transmission substations, it serves as the critical primary data collection interface for automated bay monitoring. When a high-voltage breaker snaps open, its auxiliary position contacts immediately change state; the 1MRK000284-AA captures this millisecond transition across its isolated inputs and routes the binary telemetry across the internal Relion backplane. This enables the central SCADA system to execute automated interlocking logic, trip sequence recordings, and emergency bus transfers safely from a remote console.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47401152086206,"sku":"1MRK000284-AA","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-04-30_16-00-28_133a2cc9-e042-4855-9c2a-32042af885cd.png?v=1779268394","url":"https:\/\/www.autooiltech.com\/products\/abb-1mrk000284-aa-relion-binary-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}