{"product_id":"pepperl-fuchs-kfa6-str-1-24-500-power-unit-500ma-rail-mount","title":"Pepperl+Fuchs KFA6-STR-1.24.500 Power Unit | 500mA Rail Mount","description":"\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFA6-STR-1.24.500\u003c\/span\u003e\u003c\/strong\u003e by \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003ePepperl+Fuchs\u003c\/span\u003e\u003c\/strong\u003e is a specialized power conditioning module engineered for industrial control cabinets. Unlike standard commercial power supplies, this unit is purpose-built to integrate directly with the Power Rail system, eliminating complex daisy-chained cabling and reducing wiring-induced noise in sensitive instrumentation loops. We recommend the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFA6-STR-1.24.500\u003c\/span\u003e\u003c\/strong\u003e for compact PLC enclosures where space is at a premium and reliable, isolated 24 V DC power for intrinsic safety barriers is mission-critical. Its electronic current limiting provides superior protection compared to traditional fuses, ensuring that local faults do not propagate through the entire rack.\u003c\/p\u003e\n\u003ch3\u003eTechnical Power Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003ePepperl+Fuchs\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFA6-STR-1.24.500\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Range:\u003c\/strong\u003e 90 ... 253 V AC (48 ... 63 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 24 V DC (Regulated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 500 mA at 60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 2.5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Type:\u003c\/strong\u003e Electronic, permanent short-circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN Rail (EN 60715)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e 20 mm x 119 mm x 115 mm (Housing B2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Capability \u0026amp; Application Utility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Integration:\u003c\/strong\u003e Designed for seamless docking with Power Rail segments to distribute power to adjacent isolated barriers, minimizing installation time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Resiliency:\u003c\/strong\u003e Engineered to maintain a full 500 mA output at ambient temperatures up to 60 °C, ensuring stable operation in high-density, non-ventilated cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Isolation:\u003c\/strong\u003e Provides reliable galvanic isolation per DIN VDE 0106, preventing line-voltage feedback into low-voltage signal loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Suitability:\u003c\/strong\u003e Ideal for powering multi-channel signal conditioners, HART interfaces, and solenoid drivers in process automation environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Quality Assurance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Logistics:\u003c\/strong\u003e Efficient delivery via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Time:\u003c\/strong\u003e Orders are processed and dispatched within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Every \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFA6-STR-1.24.500\u003c\/span\u003e\u003c\/strong\u003e unit is protected by a 12-month full performance warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1x \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFA6-STR-1.24.500\u003c\/span\u003e\u003c\/strong\u003e Power Supply unit and instruction manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProfessional FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Can I use this power supply as a standalone unit without the Power Rail?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, the unit includes removable screw terminals, allowing it to function as a standalone 24 V DC source for individual equipment or small field-side loops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Why is the power dissipation 2.5 W when my load is small?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: The 2.5 W figure represents the internal conversion losses under typical operating conditions, which is standard for efficient regulated switching power supplies of this class.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Does the electronic short-circuit protection require a manual reset?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: No, the protection is self-resetting; once the short-circuit is removed, the device will automatically resume its normal 24 V DC output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: How do I calculate if this unit can power my entire rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Sum the \"Power Consumption\" ratings of all individual barriers to be connected to the Power Rail; if the total is less than 500 mA (keeping a 10% safety margin), this supply is sufficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Is there an LED indicator to confirm the output is active?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, the unit is equipped with a front-facing LED that provides immediate visual confirmation of proper power output and system status.\u003c\/p\u003e\n\u003ch3\u003eProcurement Advisory\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Budgeting:\u003c\/strong\u003e When designing your control panel, ensure that the cumulative draw of your barriers does not exceed 450 mA to prevent thermal triggering of the power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e Always install a recommended back-up fuse (B-characteristic 6A to 16A) on the AC input side to protect the module against primary-side surges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure proper vertical orientation on the DIN rail to allow for natural convection cooling, as this is essential for maintaining the 12-month performance life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/KFA6-STR-1.24.500.png?v=1779952570\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":45146315096246,"sku":"KFA6-STR-1.24.500","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/KFA6-STR-1.24.500.jpg?v=1779952560","url":"https:\/\/www.plcsparehub.com\/products\/pepperl-fuchs-kfa6-str-1-24-500-power-unit-500ma-rail-mount","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}