{"product_id":"b-r-x20so4120-x20-i-o-module","title":"B\u0026R X20SO4120 I\/O Module","description":"\u003cstyle\u003e.shly-pdp{--ink:#1c2024;--muted:#5b6570;--line:#dfe3e8;--bg:#fff;--soft:#f6f7f9;--accent:#C8102E;max-width:1000px;margin:0 auto;padding:4px 0 32px;color:var(--ink);font-family:-apple-system,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.62;font-size:15.5px;-webkit-text-size-adjust:100%;}\n.shly-pdp *{box-sizing:border-box;}\n.shly-pdp h3{font-size:17px;font-weight:700;margin:34px 0 12px;padding:0 0 8px;border-bottom:1px solid var(--line);letter-spacing:.2px;}\n.shly-pdp p{margin:0 0 12px;}\n.shly-pdp .shly-eyebrow{font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--accent);font-weight:700;margin:0 0 8px;}\n.shly-pdp .shly-lead{font-size:16.5px;line-height:1.68;color:#2b3138;margin:0 0 4px;}\n.shly-pdp .shly-lead b{font-weight:700;}\n.shly-pdp .shly-facts{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden;}\n.shly-pdp .shly-facts li{background:var(--soft);padding:12px 14px;font-size:13.5px;line-height:1.45;}\n.shly-pdp .shly-facts span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.9px;color:var(--muted);margin-bottom:4px;}\n.shly-pdp .shly-facts strong{font-weight:700;font-size:14.5px;}\n.shly-pdp table{width:100%;border-collapse:collapse;margin:6px 0 10px;font-size:14.5px;table-layout:fixed;}\n.shly-pdp th,.shly-pdp td{text-align:left;vertical-align:top;padding:9px 12px;border-bottom:1px solid var(--line);word-break:break-word;}\n.shly-pdp th{width:38%;font-weight:600;color:#333a41;background:#fafbfc;}\n.shly-pdp tr.shly-group td{background:#eef1f4;font-size:11.5px;letter-spacing:1.3px;text-transform:uppercase;font-weight:700;color:#48525c;padding:7px 12px;}\n.shly-pdp .shly-note{font-size:13.5px;color:var(--muted);border-left:3px solid var(--line);padding:2px 0 2px 12px;margin:10px 0 0;}\n.shly-pdp ul.shly-list{margin:8px 0 0;padding:0 0 0 20px;}\n.shly-pdp ul.shly-list li{margin:0 0 8px;}\n.shly-pdp .shly-q{border-top:1px solid var(--line);padding:14px 0 2px;}\n.shly-pdp .shly-q:first-of-type{border-top:none;}\n.shly-pdp .shly-q p{margin:0 0 6px;}\n.shly-pdp .shly-q .shly-qq{font-weight:700;color:#1c2024;}\n.shly-pdp .shly-q .shly-qq em{font-style:normal;color:var(--accent);margin-right:6px;}\n@media (max-width:720px){\n.shly-pdp{font-size:15px;}\n.shly-pdp .shly-facts{grid-template-columns:repeat(2,1fr);}\n.shly-pdp th,.shly-pdp td{padding:8px 10px;font-size:14px;}\n.shly-pdp th{width:42%;}\n}\u003c\/style\u003e\u003cdiv class=\"shly-pdp\"\u003e\n\u003cp class=\"shly-eyebrow\"\u003eB\u0026amp;R · B\u0026amp;amp;amp;R X20 I\/O module\u003c\/p\u003e\n\u003cp class=\"shly-lead\"\u003e\u003cb\u003eX20SO4120\u003c\/b\u003e is a B\u0026amp;R circuit breaker with Breaking capacity Icu\/Ics See section \"Inrush current behavior for output channels\".; Supply voltage 24 V DC (IEC 61131-2); Enclosure rating IP20 (IEC 60529). It is used in distribution boards, motor protection circuits, panel feeders where the installed unit is matched to the original catalog number and a compact, documented part is required.\u003c\/p\u003e\n\u003cul class=\"shly-facts\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBreaking capacity Icu\/Ics\u003c\/span\u003e\u003cstrong\u003eSee section \"Inrush current behavior for output channels\".\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSupply voltage\u003c\/span\u003e\u003cstrong\u003e24 V DC (IEC 61131-2)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eEnclosure rating\u003c\/span\u003e\u003cstrong\u003eIP20 (IEC 60529)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMounting\u003c\/span\u003e\u003cstrong\u003e35 mm DIN rail (IEC 60715)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr class=\"shly-group\"\u003e\u003ctd colspan=\"2\"\u003eElectrical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated insulation voltage Ui\u003c\/th\u003e\n\u003ctd\u003e500 V eff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaking capacity Icu\/Ics\u003c\/th\u003e\n\u003ctd\u003eSee section \"Inrush current behavior for output channels\".\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply voltage\u003c\/th\u003e\n\u003ctd\u003e24 V DC (IEC 61131-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput current\u003c\/th\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003eSee section \"Inrush current behavior for output channels\".\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"shly-group\"\u003e\u003ctd colspan=\"2\"\u003eI\/O and communication\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBus interface\u003c\/th\u003e\n\u003ctd\u003e0.25 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication ports\u003c\/th\u003e\n\u003ctd\u003ePOWERLINK, Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"shly-group\"\u003e\u003ctd colspan=\"2\"\u003eMechanical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003e35 mm DIN rail (IEC 60715)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure rating\u003c\/th\u003e\n\u003ctd\u003eIP20 (IEC 60529)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"shly-group\"\u003e\u003ctd colspan=\"2\"\u003eEnvironment and compliance\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e0...+55 °C (IEC 60068-2-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eCE, UL, cULus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp class=\"shly-note\"\u003eValues follow the B\u0026amp;R B\u0026amp;amp;amp;R X20 I\/O module specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.\u003c\/p\u003e\n\u003ch3\u003eModel comparison in the same family\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr class=\"shly-group\"\u003e\u003ctd colspan=\"4\"\u003eB\u0026amp;R B\u0026amp;amp;amp;R X20 I\/O module variants\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width:26%\"\u003eCatalog number\u003c\/th\u003e\n\u003cth style=\"width:24%\"\u003eBreaking capacity Icu\/Ics\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cb\u003eX20SO4120\u003c\/b\u003e (this page)\u003c\/td\u003e\n\u003ctd\u003eSee section \"Inrush current behavior for output channels\".\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/b-r-x20so4110-x20-i-o-module\"\u003eX20SO4110\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSee section \"Inrush current behavior for output channels\".\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/b-r-x20so6300-x20-i-o-module\"\u003eX20SO6300\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSee section \"Inrush current behavior for output channels\".\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/b-r-x20sc2212-x20-system-module\"\u003eX20SC2212\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eType 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp class=\"shly-note\"\u003eBefore selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.\u003c\/p\u003e\n\u003ch3\u003eWhere it sits in the control system\u003c\/h3\u003e\n\u003cp\u003eThe X20SO4120 is the device-level element in a B\u0026amp;R circuit breaker installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.\u003c\/p\u003e\n\u003cp\u003eTypical installations place it in distribution boards, motor protection circuits, panel feeders, where the unit is matched to the original catalog number and the enclosure provides 35 mm DIN rail (IEC 60715) support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.\u003c\/p\u003e\n\u003ch3\u003eSelection notes for Industrial X20SO4120\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial X20SO4120\u003c\/strong\u003e — Industrial automation component supplied as a like-for-like replacement, selected by catalog number and published ratings. The figures below are taken from the specification table on this page for catalog number X20SO4120; always cross-check the catalog number and hardware revision on the nameplate before placing an order.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCertifications: \u003cstrong\u003eCE, UL, cULus\u003c\/strong\u003e — Confirm the revision of the installed unit before a like-for-like replacement.\u003c\/li\u003e\n\u003cli\u003eBreaking capacity Icu\/Ics: \u003cstrong\u003eSee section \"Inrush current behavior for output channels\".\u003c\/strong\u003e — Use it as the reference when cross-checking a current-production equivalent.\u003c\/li\u003e\n\u003cli\u003eBus interface: \u003cstrong\u003e0.25 W\u003c\/strong\u003e — Verify it in the project documentation before confirming the order.\u003c\/li\u003e\n\u003cli\u003eCommunication ports: \u003cstrong\u003ePOWERLINK, Ethernet\u003c\/strong\u003e — Check this value against the nameplate of the installed unit before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a discontinued unit, match function and electrical ratings rather than the label alone.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions about X20SO4120\u003c\/h3\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eBefore ordering X20SO4120, which operating temperature entry should be checked?\u003c\/p\u003e\n\u003cp\u003eThe operating temperature entry quoted above is 0...+55 °C (IEC 60068-2-1). Check the revision of the installed unit if the catalog number has been superseded.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eWhere can I find the frequency data for X20SO4120?\u003c\/p\u003e\n\u003cp\u003eIt is listed in the specification table for Industrial X20SO4120 as See section \"Inrush current behavior for output channels\".. Compare it with the nameplate of the installed unit before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eFor X20SO4120, what does the specification table state about supply voltage?\u003c\/p\u003e\n\u003cp\u003eThe specification table lists supply voltage = 24 V DC (IEC 61131-2) for Industrial X20SO4120. Confirm this figure against the unit currently in the panel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eCan the X20SO4120 replace the unit currently installed in my panel?\u003c\/p\u003e\n\u003cp\u003eCompare catalog number X20SO4120 and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eWhat should I include in an enquiry for X20SO4120?\u003c\/p\u003e\n\u003cp\u003eSend the full catalog number X20SO4120, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Industrial X20SO4120.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"B\u0026R","offers":[{"title":"New","offer_id":46160975790333,"sku":"X20SO4120","price":958.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5665\/3309\/files\/e98ce62ed36eb6eae8810d42ed10f0d9.jpg?v=1790592698","url":"https:\/\/shly-plc.com\/products\/b-r-x20so4120-x20-i-o-module","provider":"SHLY-PLC","version":"1.0","type":"link"}