{"product_id":"kfd2-eb-r2a-b-pepperl-fuchs-power-feed-module-k-system","title":"KFD2-EB-R2A.B Pepperl+Fuchs Power Feed Module K-System","description":"\u003cp\u003eThe \u003cstrong\u003ePepperl+Fuchs KFD2-EB-R2A.B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eKFD2-EB\u003c\/strong\u003e Power Feed Module, operates as a dedicated hardware component for dual-redundant 24 VDC voltage distribution and error message evaluation within Power Rail K-System networks.\u003c\/p\u003e\n\u003ch3\u003eHousing \u0026amp; Variant Nomenclature\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKFD2\u003c\/strong\u003e: K-System housing variant for DIN-rail and Power Rail interface mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEB\u003c\/strong\u003e: Essential power feed module functional classification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR2A\u003c\/strong\u003e: Dual-redundant 24 VDC power input with OR-ing diode protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e.B\u003c\/strong\u003e: Integrated bus contacts for collective error messaging via Power Rail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOperational Performance Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKFD2-EB-R2A.B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePepperl+Fuchs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 100 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e20 mm x 119 mm x 115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1 W max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e20 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e4 A max. (To Power Rail bus bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Alarm Output\u003c\/td\u003e\n\u003ctd\u003e1 Relay contact (SPDT, max. 30 VDC \/ 2 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN Rail with Power Rail insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIntrinsic Safety Circuit Protection and Structural Integrity\u003c\/h3\u003e\n\u003cp\u003eBuilt-in decoupling diodes isolate dual power feeds, ensuring non-stop supply delivery to adjacent intrinsic safety (Ex i) barriers across the backplane. Rigid enclosure latches enforce high DIN-rail mounting stability under mechanical vibration, maintaining strict surge voltage protection limits and low protocol conversion latencies during system diagnostic reporting.\u003c\/p\u003e\n\u003ch3\u003eDeliverable Package Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Pepperl+Fuchs KFD2-EB-R2A.B Power Feed Module\u003c\/li\u003e\n\u003cli\u003e1 x Removable Power\/Fault Terminal Block Assembly\u003c\/li\u003e\n\u003cli\u003e1 x Power Rail Gold-Plated Bus Connector Insert\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Wiring \u0026amp; Mechanical Installation\u003c\/h3\u003e\n\u003ch4\u003ePower Rail Interconnect Setup\u003c\/h4\u003e\n\u003cp\u003eSnap the Power Rail insert onto the 35 mm DIN rail. Position the KFD2-EB-R2A.B onto the rail and press firmly until the bottom bus connectors engage with the Power Rail conductors.\u003c\/p\u003e\n\u003ch4\u003eDual Redundant Supply Wiring\u003c\/h4\u003e\n\u003cp\u003eConnect primary 24 VDC power supply leads to terminals 1 and 2. Terminate secondary 24 VDC redundant power leads at terminals 4 and 5 to establish decoupled dual-supply execution.\u003c\/p\u003e\n\u003ch4\u003eFault Relay Output Loops\u003c\/h4\u003e\n\u003cp\u003eWire the central alarm input or PLC diagnostic point to SPDT relay terminals 7, 8, and 9 to monitor power loss or module failure states across connected Power Rail isolators.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the module handle a power failure on one of the dual input lines?\u003c\/p\u003e\n\u003cp\u003eInternal OR-ing diodes automatically seamlessly transition full load current to the active supply line without output voltage dips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat causes the collective fault message relay contact to change state?\u003c\/p\u003e\n\u003cp\u003eThe relay de-energizes upon loss of either 24 VDC input supply, internal fuse failure, or a line fault signal from an adjacent barrier on the bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum continuous current can the module deliver to the Power Rail?\u003c\/p\u003e\n\u003cp\u003eThe module supplies up to 4 A total current directly to adjacent modules seated on the shared Power Rail bus track.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-swapping supported for the module during active operation?\u003c\/p\u003e\n\u003cp\u003eThe module can be inserted or removed from the DIN rail and Power Rail under voltage without interrupting operation of other modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are cable connections made to the front panel interface?\u003c\/p\u003e\n\u003cp\u003eTerminal connections utilize removable screw terminals that accept conductors up to 2.5 mm square cross-sectional area.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat protection mechanism prevents back-feeding into a faulted power supply?\u003c\/p\u003e\n\u003cp\u003eIntegrated high-current decoupling diodes block reverse current flow into a shorted or powered-down external power supply unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the feed module require separate earth grounding for diagnostic signaling?\u003c\/p\u003e\n\u003cp\u003eFunctional grounding is established automatically through the mounting rail clip to the grounded 35 mm DIN rail structure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the module operate with a single 24 VDC input power source?\u003c\/p\u003e\n\u003cp\u003eSingle-supply operation is supported, but internal logic will flag a missing redundant line error unless DIP switches or jumpers are configured.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":47508764819629,"sku":"KFD2-EB-R2A.B","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/kfd2-eb2-r4a-b_1.jpg?v=1789090622","url":"https:\/\/www.maxwellplc.com\/products\/kfd2-eb-r2a-b-pepperl-fuchs-power-feed-module-k-system","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}