{"product_id":"foxboro-p0973bp-redundant-power-supply-module-the-mesh-control-network","title":"Foxboro P0973BP Redundant Power Supply Module (The MESH Control Network)","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro P0973BP\u003c\/strong\u003e is a high-reliability \u003cstrong\u003e156 Watt Redundant Power Supply (RPS)\u003c\/strong\u003e module specifically engineered for the \u003cstrong\u003eFoxboro Evo™\u003c\/strong\u003e and \u003cstrong\u003eI\/A Series®\u003c\/strong\u003e systems within \u003cstrong\u003eThe MESH Control Network\u003c\/strong\u003e architecture. Designed to eliminate the network switch as a single point of failure, this module operates in a parallel capacity with a switch’s internal power supply. In the event of an AC power loss or internal component failure, the \u003cstrong\u003eP0973BP\u003c\/strong\u003e instantaneously supports the full load, ensuring that critical process control traffic continues to flow without interruption or network reconvergence.\u003c\/p\u003e\n\u003ch3\u003eSystem Architecture \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eP0973BP\u003c\/strong\u003e is a modular component of the \u003cstrong\u003eThe MESH Control Network Ethernet Equipment\u003c\/strong\u003e catalog. It must be housed in a specialized Redundant Power Supply Chassis (\u003cstrong\u003eP0973BM\u003c\/strong\u003e or \u003cstrong\u003eP0973BN\u003c\/strong\u003e) and is verified to support a wide range of Foxboro managed switches:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA4-Series Switches:\u003c\/strong\u003e P0973JM (24-Port Copper), P0973JN (24-Port Fiber), and P0973JP (8-Port Combo).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eB-Series \u0026amp; C-Series:\u003c\/strong\u003e P0973LK and P0973KJ high-performance Gigabit switches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Options:\u003c\/strong\u003e * \u003cstrong\u003eP0973BN:\u003c\/strong\u003e Accommodates 2 RPS modules for up to 2 switches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eP0973BM:\u003c\/strong\u003e Accommodates up to 8 RPS modules for centralized high-density power redundancy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAC Input Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85-264 V ac, 47 to 63 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e102 W or 156 W continuous\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+5 to +40°C (41 to +104°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-30 to +73°C (-22 to +164°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 90% (non-condensing)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (HxWxD)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19.6 cm x 5.2 cm x 25.7 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMass (Approximate)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.75 kg (3.85 lb)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContamination\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClass G1 (Mild) as defined in ISA Standard S71.04\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is parallel capacity important for The MESH network?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike \"cold standby\" power supplies that require a startup time, the \u003cstrong\u003eP0973BP\u003c\/strong\u003e works in parallel. This ensures there is no \"switch-over\" time. For \u003cstrong\u003eThe MESH Control Network\u003c\/strong\u003e, this prevents the Rapid Spanning Tree Protocol (RSTP) from having to re-converge due to a momentary switch power drop, maintaining 100% uptime for safety-critical logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the role of the RPS Chassis (P0973BM\/BN)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eP0973BP\u003c\/strong\u003e module does not have built-in AC electronics or power cords. The chassis provides the structural housing and the common AC backplane. This modularity allows an engineer to replace a single power module while the other switches in the same chassis remain powered and operational.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the G1 Contamination rating affect installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eClass G1 (Mild)\u003c\/strong\u003e rating indicates the module is designed for standard industrial control rooms. If the equipment is being installed in a more corrosive environment (e.g., near chemical processing units with high H2S levels), the module should be housed in a purged or environmentally controlled enclosure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Source Redundancy:\u003c\/strong\u003e For maximum availability, connect the RPS chassis to a different AC branch circuit or UPS than the primary internal power supply of the switches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Hot-Swapping:\u003c\/strong\u003e The \u003cstrong\u003eP0973BP\u003c\/strong\u003e is hot-swappable. If a module failure is indicated, it can be pulled from the chassis and replaced without disturbing the network configuration or the power state of the connected switch.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCabling Logic:\u003c\/strong\u003e Ensure the RPS cable is securely fastened to the DC input of the switch. Periodic inspections of the cable seating are recommended in environments subject to high vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eP0973BP\u003c\/strong\u003e is a fundamental component for achieving high-availability targets in \u003cstrong\u003eFoxboro Evo\u003c\/strong\u003e and \u003cstrong\u003eI\/A Series\u003c\/strong\u003e installations. By utilizing the \u003cstrong\u003eThe MESH\u003c\/strong\u003e-certified power infrastructure, plant operators ensure full regulatory compliance and safety certification (UL, CSA, IEC 60950). For B2B procurement, sourcing original \u003cstrong\u003eP0973BP\u003c\/strong\u003e modules guarantees that your network infrastructure aligns with the \u003cstrong\u003ePSS 31H-7C3 B4\u003c\/strong\u003e standard, providing the long-term reliability required for the world's most critical process industries.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":52695401234795,"sku":"P0973BP","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/foxboro-p0973bp-redundant-power-supply-module-grkcvvzumfu_a93f05b5-6f2c-4017-87eb-2ebd57f9bb35.jpg?v=1766133752","url":"https:\/\/www.plcprotech.com\/products\/foxboro-p0973bp-redundant-power-supply-module-the-mesh-control-network","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}