{"product_id":"siemens-3tk2820-2cb30-sirius-safety-relay-24-v-ac-dc-3no-1nc-sil-3-pl","title":"Siemens – 3TK2820-2CB30 – SIRIUS Safety Relay, 24 V AC\/DC, 3NO + 1NC, SIL 3 \/ PL","description":"\u003cp class=\"p1\"\u003eThe Siemens 3TK2820‑2CB30 (also 3TK28202CB30) is a compact DIN‑rail SIRIUS safety relay featuring three enabling circuits (NO) and one signaling contact (NC). It supports 24 V AC\/DC operation, spring-type terminals, and both auto-start and monitored-start modes, delivering SIL 3 \/ Performance Level e across safety categories. Suitable for emergency stops, interlock and guard monitoring in high-safety industrial applications. \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p2\"\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp class=\"p3\"\u003e\u003cb\u003eKey Features \u0026amp; Specifications\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp class=\"p2\"\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eModel:\u003c\/b\u003e\u003c\/span\u003e 3TK2820‑2CB30 – Safety relay enabling circuits, 22.5 mm wide \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSafety Performance:\u003c\/b\u003e\u003c\/span\u003e SIL 3 (IEC 61508), PL e (Category 4, EN 13849‑1) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eVoltage:\u003c\/b\u003e\u003c\/span\u003e 24 V AC\/DC\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eContacts:\u003c\/b\u003e\u003c\/span\u003e 3 × NO (enabling), 1 × NC (signaling) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eStart Modes:\u003c\/b\u003e\u003c\/span\u003e Switchable auto-start or monitored start for emergency-stop circuits \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTerminals:\u003c\/b\u003e\u003c\/span\u003e Spring-type IDC for fast wiring\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eHousing:\u003c\/b\u003e\u003c\/span\u003e 22.5 mm DIN‑rail; IP40 protection, terminals finger-safe \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eReliability:\u003c\/b\u003e\u003c\/span\u003e 0.291 kg, 300 V rated insulation, 4 kV impulse withstand, suitable for Class A EMC environments\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"VOLTWERK Handel","offers":[{"title":"Default Title","offer_id":55818466853238,"sku":"EB-286669235148","price":84.55,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4202\/8857\/files\/57_3596a486-8f83-4181-be63-c8a6ce7aba3c.png?v=1750718791","url":"https:\/\/volt-werk.com\/products\/siemens-3tk2820-2cb30-sirius-safety-relay-24-v-ac-dc-3no-1nc-sil-3-pl","provider":"VOLTWERK Handel","version":"1.0","type":"link"}