{"product_id":"3sk1121-1cb42","title":"3SK1121-1CB42","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e SIRIUS 3SK1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 3SK1121-1CB42\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Number:\u003c\/strong\u003e 3SK1121-1CB42\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice Type:\u003c\/strong\u003e Safety Switch \/ Safety Relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImplementation:\u003c\/strong\u003e Advanced Base Unit with Time Delay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage Range:\u003c\/strong\u003e 0.8–1.2 × rated voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical power dissipation:\u003c\/strong\u003e 2,5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-delayed safety outputs:\u003c\/strong\u003e 2 × Normally Open Relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelayed safety outputs:\u003c\/strong\u003e 2 × Normally Open Relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable time delay:\u003c\/strong\u003e 0.5–30 s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStop category:\u003c\/strong\u003e 0 \/ 1 in accordance with DIN EN 60204-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor input:\u003c\/strong\u003e 1- or 2-channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCascade input:\u003c\/strong\u003e Available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeedback input:\u003c\/strong\u003e Available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart page:\u003c\/strong\u003e Available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-short circuit detection:\u003c\/strong\u003e Available \/ Configurable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart function:\u003c\/strong\u003e Supervised startup or autostart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecurity Integrity Level:\u003c\/strong\u003e SIL 3 in accordance with IEC 61508\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSIL time-delayed enable circuit:\u003c\/strong\u003e SIL 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Level:\u003c\/strong\u003e PL e in accordance with EN ISO 13849-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Level of a time-delayed enable circuit:\u003c\/strong\u003e PL e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecurity category:\u003c\/strong\u003e Category 4 according to EN ISO 13849-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSFF:\u003c\/strong\u003e 99 %\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePFHd:\u003c\/strong\u003e 3.7 × 10⁻⁹ 1\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePFDavg:\u003c\/strong\u003e 7 × 10⁻⁶\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService life \/ Proof test interval T1:\u003c\/strong\u003e 20 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety device type:\u003c\/strong\u003e Type B according to IEC 61508-2 0900766b817035aa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum switching frequency:\u003c\/strong\u003e 360 cycles\/hour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated current DC-13 at 24 V:\u003c\/strong\u003e 3 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated current DC-13 at 115 V:\u003c\/strong\u003e 0,2 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated current DC-13 at 230 V:\u003c\/strong\u003e 0,1 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated current AC-15 at 115 V:\u003c\/strong\u003e 3 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated current AC-15 at 230 V:\u003c\/strong\u003e 3 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum thermal current of the relay contacts:\u003c\/strong\u003e 5 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum operating current for 17 V:\u003c\/strong\u003e 5 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical service life:\u003c\/strong\u003e Typically 10,000,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum cable length per sensor circuit:\u003c\/strong\u003e 4,000 m at Cu 1,5 mm² and 150 nF\/km\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStartup time on autostart:\u003c\/strong\u003e Max. 110 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart-up time for monitored start:\u003c\/strong\u003e Max. 110 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical fallback delay after the safety circuit is opened:\u003c\/strong\u003e 40 ms 0900766b817035aa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated insulation voltage:\u003c\/strong\u003e 300 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated surge voltage withstand capability:\u003c\/strong\u003e 4.000 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Protection Rating:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection against accidental contact:\u003c\/strong\u003e Fingersicher\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical connection:\u003c\/strong\u003e Screw connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Screw and snap-fit fasteners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation orientation:\u003c\/strong\u003e Any\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 22,5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 100 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 121,6 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIEMENS","offers":[{"title":"04 \/ Very good","offer_id":63780975444298,"sku":"1001665-001","price":75.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/4022\/7973\/files\/16371-3SK1121-1CB42_1.jpg?v=1790970931","url":"https:\/\/shop.ima-tec.com\/en\/products\/3sk1121-1cb42","provider":"IMA-Tec","version":"1.0","type":"link"}