{"product_id":"pepperl-fuchs-kfu8-ufc-ex1-d-frequency-converter","title":"Pepperl+Fuchs KFU8-UFC-Ex1.D – Universal Frequency Converter","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Pepperl+Fuchs KFU8-UFC-Ex1.D is a 1-channel isolated barrier frequency converter with trip values and a universal power supply. It accepts 20 … 90 V DC or 48 … 253 V AC, making it suitable for panels where a 24 V DC Power Rail is not available.\u003c\/p\u003e\n\u003cp\u003eIt evaluates pulse and frequency signals from NAMUR sensors or dry contacts in the hazardous area (1 mHz … 5 kHz), converts them into a 0\/4 … 20 mA output, and provides two relay outputs and a transistor output for programmable limit values. A start-up override input, line fault detection and suitability up to SIL 2 complete the specification.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Pepperl+Fuchs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KFU8-UFC-Ex1.D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Universal Frequency Converter\u003c\/li\u003e\n\u003cli\u003e1-channel isolated barrier\u003c\/li\u003e\n\u003cli\u003eUniversal supply: 20 … 90 V DC \/ 48 … 253 V AC\u003c\/li\u003e\n\u003cli\u003eInput for NAMUR sensors or dry contacts\u003c\/li\u003e\n\u003cli\u003eInput frequency 1 mHz … 5 kHz\u003c\/li\u003e\n\u003cli\u003e0\/4 … 20 mA current output\u003c\/li\u003e\n\u003cli\u003e2 relay outputs and 1 transistor output\u003c\/li\u003e\n\u003cli\u003eStart-up override; up to SIL 2 to IEC\/EN 61508 \/ IEC\/EN 61511\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:0 0 1rem\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003ePepperl+Fuchs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003ePart number\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eKFU8-UFC-Ex1.D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eProduct type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e1-channel frequency converter with trip values \/ isolated barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eSignal type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eDigital (pulse\/frequency) input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eRated supply voltage\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e20 … 90 V DC \/ 48 … 253 V AC, 50 … 60 Hz (terminals 23, 24)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003ePower consumption\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e≤ 2.2 W \/ 3 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eInput I\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eNAMUR (EN 60947-5-6) or mechanical contact, terminals 1+, 3-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eInput frequency\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e0.001 … 5000 Hz; pulse duration \u0026gt; 50 µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eInput II\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eStart-up override 1 … 1000 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eOutputs I, II\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eRelay; 250 V AC \/ 2 A \/ cos φ ≥ 0.7; 40 V DC \/ 2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eOutput III\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eElectronic (transistor) output, passive, 40 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eOutput IV\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e0 … 20 mA or 4 … 20 mA, load max. 650 Ω; NE43 fault signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eAccuracy\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e0.1 % of measured value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eConfiguration\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eFront keypad and display, or PACTware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eFunctional safety\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eSIL 2 (IEC\/EN 61508 \/ IEC\/EN 61511)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eAmbient temperature\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e-20 … 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eDegree of protection\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e40 x 119 x 115 mm (W x H x D), housing type C2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eMass\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e300 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eMounting\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e35 mm DIN mounting rail (EN 60715)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eATEX\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eTÜV 99 ATEX 1471 — II (1)G [Ex ia Ga] IIC, II (1)D [Ex ia Da] IIIC, I (M1) [Ex ia Ma] I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid rgba(0,0,0,.12);text-align:left;width:38%;padding:.6rem .9rem;vertical-align:top\"\u003eIECEx\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eIECEx TUN 04.0007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eSpecifications are taken from Pepperl+Fuchs manufacturer data. Always confirm critical values — particularly hazardous-area and functional-safety data — against the current datasheet, certificates and instruction manual before installation.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpeed and overspeed monitoring in AC- or DC-powered panels\u003c\/li\u003e\n\u003cli\u003eStandstill and underspeed detection\u003c\/li\u003e\n\u003cli\u003ePulse flowmeter rate conversion\u003c\/li\u003e\n\u003cli\u003eSIL 2 speed monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation and Compatibility\u003c\/h2\u003e\u003cp\u003eDIN rail mounting (40 mm wide); connect the universal supply to terminals 23\/24 (not supplied via Power Rail). Sensor on 1+\/3-, start-up override on 13+\/14-, relays on 10–12 and 16–18, transistor output on 19+\/20-, analogue output on 8+\/7-.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the Pepperl+Fuchs KFU8-UFC-Ex1.D?\u003c\/h3\u003e\u003cp\u003eThe Pepperl+Fuchs KFU8-UFC-Ex1.D is a 1-channel isolated barrier frequency converter with trip values and a universal power supply. It accepts 20 … 90 V DC or 48 … 253 V AC, making it suitable for panels where a 24 V DC Power Rail is not available.\u003c\/p\u003e\n\u003ch3\u003eWhat supply does the KFU8-UFC-Ex1.D need?\u003c\/h3\u003e\u003cp\u003e20 … 90 V DC \/ 48 … 253 V AC, 50 … 60 Hz (terminals 23, 24).\u003c\/p\u003e\n\u003ch3\u003eHow do I get a price for the KFU8-UFC-Ex1.D?\u003c\/h3\u003e\u003cp\u003eThis product is sold on a price on availability basis. Use the \u003ca href=\"#poa-enquiry\"\u003eenquiry form\u003c\/a\u003e on this page with your quantity and application details and the Valves UK team will reply with pricing and lead time.\u003c\/p\u003e\n\u003ch2\u003eTechnical Documentation\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/files.pepperl-fuchs.com\/webcat\/navi\/productInfo\/pds\/231197_eng.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePepperl+Fuchs KFU8-UFC-Ex1.D datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.pepperl-fuchs.com\/en\/products-gp25581\/48338\" target=\"_blank\" rel=\"noopener\"\u003eKFU8-UFC-Ex1.D on the Pepperl+Fuchs website\u003c\/a\u003e (certificates, manuals and drawings)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pepperl-fuchs-kfd2-ufc-ex1-d-frequency-converter\"\u003ePepperl+Fuchs KFD2-UFC-Ex1.D – Universal Frequency Converter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pepperl-fuchs-kfd2-crg2-ex1-d-transmitter-power-supply\"\u003ePepperl+Fuchs KFD2-CRG2-Ex1.D – Transmitter Power Supply with Trip Values\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/pepperl-fuchs\"\u003eView the full Pepperl+Fuchs range at Valves UK\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePrice and Availability\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePrice on Availability (POA)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eContact Valves UK for pricing, product availability and technical enquiries regarding the Pepperl+Fuchs KFU8-UFC-Ex1.D. Please include your required quantity and any relevant application details when submitting your enquiry.\u003c\/p\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":60161094418757,"sku":"KFU8-UFC-Ex1.D","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/5542\/8421\/files\/pepperl-fuchs-kfu8-ufc-ex1-d-universal-frequency-converter.jpg?v=1794323936","url":"https:\/\/valvesuk.com\/products\/pepperl-fuchs-kfu8-ufc-ex1-d-frequency-converter","provider":"Valves UK","version":"1.0","type":"link"}