{"product_id":"pepperl-fuchs-kcd2-sr-ex2-isolated-barrier","title":"Pepperl+Fuchs KCD2-SR-Ex2 – Isolated Barrier Switch Amplifier","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Pepperl+Fuchs KCD2-SR-Ex2 is a 2-channel isolated barrier switch amplifier in the space-saving 12.5 mm K-System housing. It transfers switching signals from NAMUR sensors or dry contacts in the hazardous area to two relay contact outputs in the safe area, with reinforced galvanic isolation between input, output and supply.\u003c\/p\u003e\n\u003cp\u003ePowered at 24 V DC via the Power Rail or terminals, the module provides line fault detection on each input and is suitable for applications up to SIL 2 (SC 3) to IEC\/EN 61508. Its narrow width allows high-density installation in marshalling and control cabinets, and its ATEX\/IECEx certification includes mounting in Zone 2.\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 KCD2-SR-Ex2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Isolated Barrier Switch Amplifier\u003c\/li\u003e\n\u003cli\u003e2-channel isolated barrier in a 12.5 mm wide housing\u003c\/li\u003e\n\u003cli\u003eInputs for NAMUR sensors or dry contacts\u003c\/li\u003e\n\u003cli\u003e2 relay contact outputs\u003c\/li\u003e\n\u003cli\u003e24 V DC supply via Power Rail or terminals\u003c\/li\u003e\n\u003cli\u003eLine fault detection (LFD)\u003c\/li\u003e\n\u003cli\u003eUp to SIL 2 (SC 3) to IEC\/EN 61508\u003c\/li\u003e\n\u003cli\u003eATEX and IECEx certified, Zone 2 mountable\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\"\u003eKCD2-SR-Ex2\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\"\u003e2-channel isolated barrier \/ switch amplifier\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 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\"\u003e19 … 30 V DC (Power Rail or terminals 9+, 10-)\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 current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e≤ 46 mA\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 dissipation\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e≤ 900 mW\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\"\u003eInputs\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eNAMUR to EN 60947-5-6 or dry contact; approx. 8 V DC \/ 8 mA\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\"\u003eLine fault detection\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eBreakage I ≤ 0.1 mA, short circuit I ≥ 6.5 mA\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\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e2 × relay (terminals 5, 6 and 7, 8)\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\"\u003eContact loading\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e250 V AC \/ 2 A \/ cos φ \u0026gt; 0.75; 30 V DC \/ 2 A resistive\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\"\u003eSwitching frequency\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003e≤ 10 Hz\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, SC 3 (IEC\/EN 61508)\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-40 … 70 °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\"\u003e12.5 x 119 x 114 mm (W x H x D), housing type A2\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\"\u003eapprox. 100 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\"\u003eBASEEFA 06 ATEX 0092 X — II 3(1)G Ex ec nC [ia Ga] IIC T4 Gc, 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 BAS 06.0025 X\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\"\u003eOther approvals\u003c\/th\u003e\n\u003ctd style=\"border:1px solid rgba(0,0,0,.12);padding:.6rem .9rem;vertical-align:top\"\u003eUL\/cULus (E106378)\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\u003eHigh-density digital input marshalling\u003c\/li\u003e\n\u003cli\u003eNAMUR sensor and limit switch interfacing\u003c\/li\u003e\n\u003cli\u003eValve position feedback in Ex areas\u003c\/li\u003e\n\u003cli\u003eSIL 2 safety loops\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation and Compatibility\u003c\/h2\u003e\u003cp\u003eMount on a 35 mm DIN rail; supply 24 V DC via the Power Rail or terminals 9+\/10-. Field circuits connect to terminals 1–4 and the relay outputs to terminals 5–8. Functions are set with DIP switches. The device may be installed in Zone 2 under the Ex ec certification — follow the certificate and manual.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the Pepperl+Fuchs KCD2-SR-Ex2?\u003c\/h3\u003e\u003cp\u003eThe Pepperl+Fuchs KCD2-SR-Ex2 is a 2-channel isolated barrier switch amplifier in the space-saving 12.5 mm K-System housing. It transfers switching signals from NAMUR sensors or dry contacts in the hazardous area to two relay contact outputs in the safe area, with reinforced galvanic isolation between input, output and supply.\u003c\/p\u003e\n\u003ch3\u003eWhat supply does the KCD2-SR-Ex2 need?\u003c\/h3\u003e\u003cp\u003e19 … 30 V DC (Power Rail or terminals 9+, 10-).\u003c\/p\u003e\n\u003ch3\u003eHow do I get a price for the KCD2-SR-Ex2?\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\/70112153_eng.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePepperl+Fuchs KCD2-SR-Ex2 datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.pepperl-fuchs.com\/en\/products-gp25581\/99636\" target=\"_blank\" rel=\"noopener\"\u003eKCD2-SR-Ex2 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-sr2-ex2-w-isolated-barrier\"\u003ePepperl+Fuchs KFD2-SR2-Ex2.W – Isolated Barrier Switch Amplifier\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pepperl-fuchs-kcd2-stc-ex1-smart-transmitter-power-supply\"\u003ePepperl+Fuchs KCD2-STC-Ex1 – SMART Transmitter Power Supply\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 KCD2-SR-Ex2. 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":60161071579461,"sku":"KCD2-SR-Ex2","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/5542\/8421\/files\/pepperl-fuchs-kcd2-sr-ex2-isolated-barrier-switch-amplifier.jpg?v=1794323892","url":"https:\/\/valvesuk.com\/products\/pepperl-fuchs-kcd2-sr-ex2-isolated-barrier","provider":"Valves UK","version":"1.0","type":"link"}