{"product_id":"turck-im21-14ex-cdtri-signal-isolator-module-ships-overnight","title":"IM21-14EX-CDTRI | Turck Intrinsically Safe Digital Signal Isolator Module","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"21\" data-end=\"474\"\u003eThe Turck IM21-14EX-CDTRI is an intrinsically safe signal isolator designed for the safe transmission of digital signals between hazardous and non-hazardous areas. It provides reliable isolation and signal conversion for NAMUR and mechanical contacts in process automation systems. This module is commonly used in safety-critical industrial environments where explosion protection and signal integrity are required.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTurck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignal Interface \u0026amp; Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIM21-14EX-CDTRI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntrinsically Safe Signal Isolator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital signal isolation and transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNAMUR sensor or dry contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHazardous Area Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZone 0 \/ Zone 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransistor output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20–30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 kV (input\/output\/supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN-rail mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e−25 °C to +70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003e\n\u003cspan data-sheets-root=\"1\"\u003eIM21-14EX-CDTRI\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"503\" data-end=\"1065\"\u003eThe IM21-14EX-CDTRI is part of Turck’s IM21 series of slim-line isolation and interface modules engineered for hazardous area applications. It features a compact DIN-rail housing with reinforced galvanic isolation between input, output, and power supply circuits. The module supports intrinsically safe input signals from Zone 0\/20 and transmits them safely to control systems in safe areas. Its design ensures compliance with international explosion protection standards while maintaining stable signal processing in continuous industrial operation.\u003c\/p\u003e\n\u003ch3 data-start=\"1067\" data-end=\"1088\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntrinsically Safe Inputs: Designed for connection to NAMUR sensors or dry contacts in hazardous areas.\u003c\/li\u003e\n\u003cli\u003eGalvanic Isolation: Provides safe electrical separation between input, output, and power supply circuits.\u003c\/li\u003e\n\u003cli\u003eSingle-Channel Operation: Processes one digital signal with reliable state transfer.\u003c\/li\u003e\n\u003cli\u003eSlim DIN-Rail Design: Compact housing allows high channel density in control cabinets.\u003c\/li\u003e\n\u003cli\u003eWide Compatibility: Supports NAMUR sensors and mechanical contact inputs.\u003c\/li\u003e\n\u003cli\u003eFast Signal Response: Ensures accurate switching and minimal delay in signal transmission.\u003c\/li\u003e\n\u003cli\u003eExplosion Protection Compliance: Suitable for Zone 0\/20 applications in process industries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe IM21-14EX-CDTRI delivers the reliability and precision required for safe digital signal isolation in hazardous area automation systems.\u003c\/p\u003e","brand":"Turck","offers":[{"title":"Default Title","offer_id":51054397587754,"sku":"IM21-14EX-CDTRI","price":812.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/2026-01-14_23.56.27.png?v=1768427898","url":"https:\/\/iqelectro.com\/products\/turck-im21-14ex-cdtri-signal-isolator-module-ships-overnight","provider":"IQElectro","version":"1.0","type":"link"}