{"product_id":"siemens-c73040-a27-c246-03-communication-module","title":"Siemens C73040-A27-C246-03 Communication Module","description":"\u003ch3\u003e\u003cstrong\u003eTechnical Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eC73040-A27-C246-03 (C73040-A27-C246-03)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability serial interface module engineered for the Siemens SIPROTEC protection relay family. This component facilitates deterministic RS-485 data exchange between substation hardware and centralized SCADA or building management systems. Designed to operate within the high-interference environments of power distribution units, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eC73040-A27-C246-03 (C73040-A27-C246-03)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures that critical protection signaling and diagnostic telemetry remain stable despite significant electromagnetic discharge or ambient temperature fluctuations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe following parameters define the electrical and mechanical profile of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eC73040-A27-C246-03 (C73040-A27-C246-03)\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSIPROTEC Protection \u0026amp; Control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface Protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRS-485 (Serial Differential Signaling)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Transmission:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports high-speed asynchronous serial communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEMI Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHardened circuitry for substation-grade electromagnetic immunity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Temperature Range: -25°C to +60°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorage Temperature Range: -40°C to +70°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Profile:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: 260 mm x 330 mm x 95 mm (H x W x D)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNet Weight: 0.4 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for secure rack-mount or panel-integrated control cabinets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompliance \u0026amp; Standards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCE Certified, RoHS Compliant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturing Origin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGermany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOperational Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eC73040-A27-C246-03 (C73040-A27-C246-03)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis primarily utilized in medium and high-voltage switchgear automation. Its role is to bridge the gap between individual SIPROTEC relays and the broader industrial network. Because RS-485 allows for multi-drop configurations, this module enables the efficient daisy-chaining of multiple protection units back to a single gateway, reducing wiring complexity while maintaining the high signal integrity required for power grid stability.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44081894490211,"sku":"C73040-A27-C246-03","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/8ee0d627-5ebd-49de-832f-dab05d957f55.png?v=1774515129","url":"https:\/\/precisemodule.com\/products\/siemens-c73040-a27-c246-03-communication-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}