{"product_id":"abb-70lr01a-hesh447449r11-procontrol-p13-relay-switching-module","title":"ABB 70LR01A HESH447449R11 Procontrol P13 Relay Switching Module","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe ABB 70LR01A,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eidentified by part number HESH447449R11,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability relay output module specifically engineered for the Procontrol P13 distributed control system.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis component serves as the critical electromechanical interface between the P13 digital logic and high-power field devices,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eenabling the secure switching of protection circuits,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eactuators,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand industrial signaling equipment.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for mission-critical automation,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe HESH447449R11 provides physical isolation between control electronics and field-side electrical loads,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003epreventing transient interference from compromising the processor bus.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts robust Swedish construction ensures deterministic response times and long-term mechanical durability in continuous-duty industrial applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eTechnical Infrastructure and Hardware Logic\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe 70LR01A HESH447449R11 is built to professional protection standards with the following engineering specifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHardware Identification:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e70LR01A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOrder Designation:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHESH447449R11\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModule Function:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eRelay Switching \/ Interposing Output\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSystem Pedigree:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eProcontrol P13 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhysical Mass:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e1.\u003c\/span\u003e\u003cspan class=\"\"\u003e22 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCasing Geometry:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e24 x 19 x 5.\u003c\/span\u003e\u003cspan class=\"\"\u003e3 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCircuit Isolation:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eGalvanic separation between logic and relay contacts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMounting Integration:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eProcontrol P13 standard rack-ready format\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOperational Stability:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHardened against electrical noise and high-frequency interference\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturing Origin:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSweden\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eTariff Code:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHS 8537101190\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eIndustrial Protection Utility and Usage\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eIn\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003ePower Plant Control and Safety Interlocks\u003c\/strong\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe HESH447449R11 70LR01A is utilized to trigger critical protection devices and emergency shutdown sequences.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe module’s relay contacts provide the high-integrity switching needed for turbine trip circuits and boiler safety valves.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBecause the Procontrol P13 system often operates in environments with high electromagnetic stress,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe HESH447449R11’s robust signal processing ensures that only valid control commands result in contact actuation,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003epreventing costly false trips while guaranteeing response when safety thresholds are breached.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eWithin\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003eHeavy Industrial Automation and Smelting\u003c\/strong\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethis relay module manages the activation of high-current motor starters and solenoid valves.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe 70LR01A is valued for its ability to handle temperature variations and vibrations typical of metal processing facilities.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy serving as an interposing relay layer,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit protects the central DCS hardware from the back-EMF and inductive spikes generated by large field coils,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethereby extending the lifecycle of the entire automation infrastructure and reducing the frequency of hardware maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eFor\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003eSubstation Automation and Grid Monitoring\u003c\/strong\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe HESH447449R11 provides reliable status signaling and remote control of switchgear.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts compatibility with the P13 architecture allows for seamless integration into large-scale electrical distribution networks.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe module's precise timing and dependable contact closure are essential for synchronized switching operations,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ehelping utility operators maintain grid stability and protect expensive transformers and busbars from fault conditions through reliable,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eisolated relay logic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45518988247213,"sku":"HESH447449R11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/abb-hesh447449r11-70lr01a-relay-module-zodpgmolqyt.jpg?v=1766984108","url":"https:\/\/www.maxwellplc.com\/products\/abb-70lr01a-hesh447449r11-procontrol-p13-relay-switching-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}