{"product_id":"allen-bradley-440r-em4r2d-guardmaster-emd-safety-relay-expansion-module","title":"Allen-Bradley – 440R-EM4R2D (Guardmaster EMD) – Safety Relay Expansion Module","description":"\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ch\u003e\u003cb\u003eMain Features\u003c\/b\u003e\u003c\/h\u003e\u003cp\u003e\u003c\/p\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eCategory \u0026amp; Compatibility:\u003c\/b\u003e\u003c\/span\u003e Guardmaster series expansion module (EMD type) designed to work with R-S\/MSR safety relays; requires a Single Wire Safety (SWS) host relay input \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eDelayed Safety Outputs:\u003c\/b\u003e\u003c\/span\u003e Equipped with \u003cspan class=\"s\"\u003e\u003cb\u003e normally‑open (NO)\u003c\/b\u003e\u003c\/span\u003e safety-rated relay outputs, configurable for \u003cspan class=\"s\"\u003e\u003cb\u003eon‑delay, off‑delay\u003c\/b\u003e\u003c\/span\u003e, or \u003cspan class=\"s\"\u003e\u003cb\u003ejogging\u003c\/b\u003e\u003c\/span\u003e timing modes via front-panel rotary switches \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cb\u003eSafety Input\/Output:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003e SWS input\u003c\/b\u003e\u003c\/span\u003e for receiving safety logic from the master relay\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003e SWS output\u003c\/b\u003e\u003c\/span\u003e to chain and expand additional Guardmaster modules \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003ePower Supply:\u003c\/b\u003e\u003c\/span\u003e  V DC typical, draws around . W \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eConstruction:\u003c\/b\u003e\u003c\/span\u003e Slim DIN-rail mountable module (approx. . mm wide), IP with removable screw terminals; operating range – °C to + °C \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cb\u003eSafety Standards:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003eSIL  \/ \u003cspan class=\"s\"\u003e\u003cb\u003ePLe\u003c\/b\u003e\u003c\/span\u003e, Cat  compliance per EN ISO ‑ and IEC \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003eCertified to IEC ‑, EN ISO , UL, TÜV, CE \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":55818503324022,"sku":"EB-286669233902","price":274.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4202\/8857\/files\/57_90706561-44ca-4ba4-a96e-be03e8924f29.png?v=1750720405","url":"https:\/\/volt-werk.com\/products\/allen-bradley-440r-em4r2d-guardmaster-emd-safety-relay-expansion-module","provider":"VOLTWERK Handel","version":"1.0","type":"link"}