{"product_id":"balluff-bes021m","title":"Balluff BES021M (BES Q40KFU-PAC40E-S04G) Inductive Factor 1 Sensor | IP67 | -10...+70 °C","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\"\u003eBalluff · BES Q40KFU-PAC40E-S04G\u003c\/p\u003e\n\u003cp class=\"shly-lead\"\u003e\u003cb\u003eBES021M\u003c\/b\u003e is a Balluff industrial component with Enclosure rating IP67 (IEC 60529); Operating temperature -10...+70 °C (IEC 60068-2-1); Mounting 40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin. It is used in control panels, machine builds, spare-part replacements 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\u003eEnclosure rating\u003c\/span\u003e\u003cstrong\u003eIP67 (IEC 60529)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOperating temperature\u003c\/span\u003e\u003cstrong\u003e-10...+70 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMounting\u003c\/span\u003e\u003cstrong\u003e40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCertifications\u003c\/span\u003e\u003cstrong\u003eCE, UKCA, cULus, WEEE\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\u003eSupply voltage\u003c\/th\u003e\n\u003ctd\u003e10...30 V DC\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\u003eSensing distance Sn\u003c\/th\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResponse time\u003c\/th\u003e\n\u003ctd\u003e100 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput type (PNP\/NPN)\u003c\/th\u003e\n\u003ctd\u003ePNP normally open\/normally\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\u003eDimensions (H x W x D)\u003c\/th\u003e\n\u003ctd\u003e40 x 40 x 62 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003e40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eConnector, M12x1-Male, 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHousing material\u003c\/th\u003e\n\u003ctd\u003ePBT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial sensing surface\u003c\/th\u003e\n\u003ctd\u003ePBT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure rating\u003c\/th\u003e\n\u003ctd\u003eIP67 (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\u003e-10...+70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eCE, UKCA, cULus, WEEE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnetic field immune\u003c\/th\u003e\n\u003ctd\u003emagnetic field immune (AC\/DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional features\u003c\/th\u003e\n\u003ctd\u003eFactor 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/table\u003e\n\u003cp class=\"shly-note\"\u003eValues follow the Balluff BES Q40KFU-PAC40E-S04G 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\"\u003eBalluff BES Q40KFU-PAC40E-S04G 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%\"\u003eMounting\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cb\u003eBES021M\u003c\/b\u003e (this page)\u003c\/td\u003e\n\u003ctd\u003e40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/balluff-bes-q40kfu-pac20a-s04g-bes0216\"\u003eBES0216\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e40x40 square housing, for flush mounting (factor 1), connector M12x1 male 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/balluff-bes-q40kfu-pac35e-s04g-bes021h\"\u003eBES021H\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/balluff-bes-q40kfu-psc35e-s04g-w01-bes0221\"\u003eBES0221\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eVerify model-specific dimensions, terminals and installation requirements in the manufacturer documentation before selecting an alternative.\u003c\/p\u003e\n\u003ch3\u003eWhere it sits in the control system\u003c\/h3\u003e\n\u003cp\u003eThe BES021M is the device-level element in a Balluff industrial component installation. It receives the field signals and control supply listed above — the rated supply — 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 control panels, machine builds, spare-part replacements, where the unit is matched to the original catalog number and the enclosure provides 40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin 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 Q40KFU-PAC40E-S04G\u003c\/h3\u003e\n\u003cp\u003eBalluff BES021M Inductive Proximity Sensor. See the \u003ca href=\"https:\/\/www.balluff.com\/en-us\/products\/BES021M\"\u003emanufacturer product information\u003c\/a\u003e for this catalog number.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions (H x W x D): \u003cstrong\u003e40 x 40 x 62 mm\u003c\/strong\u003e — Check this value against the nameplate of the installed unit before ordering.\u003c\/li\u003e\n\u003cli\u003eOutput type (PNP\/NPN): \u003cstrong\u003ePNP, NO\/NC\u003c\/strong\u003e — Match it to the existing panel and upstream protection.\u003c\/li\u003e\n\u003cli\u003eCertifications: \u003cstrong\u003eCE, UKCA, cULus, WEEE\u003c\/strong\u003e — Record it with the other nameplate data when sourcing a replacement.\u003c\/li\u003e\n\u003cli\u003eOperating temperature: \u003cstrong\u003e-10...+70 °C (IEC 60068-2-1)\u003c\/strong\u003e — Confirm the revision of the installed unit before a like-for-like replacement.\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 Q40KFU-PAC40E-S04G\u003c\/h3\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eWhere can I find the mounting data for Q40KFU-PAC40E-S04G?\u003c\/p\u003e\n\u003cp\u003eIt is listed in the specification table for Industrial Q40KFU-PAC40E-S04G as 40x40 PBT square housing, non-flush, magnetic-field-resistant (factor 1), connector M12x1 male 4-pin. Use the value as the reference when sourcing a current-production equivalent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eFor Q40KFU-PAC40E-S04G, what does the specification table state about output type (PNP\/NPN)?\u003c\/p\u003e\n\u003cp\u003eThe specification table lists output type (PNP\/NPN) = PNP, NO\/NC for Industrial Q40KFU-PAC40E-S04G. 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\u003eWhich value is published under enclosure rating for catalog number Q40KFU-PAC40E-S04G?\u003c\/p\u003e\n\u003cp\u003eFor Q40KFU-PAC40E-S04G, enclosure rating is given as IP67 (IEC 60529). 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\u003eWhat should I include in an enquiry for Q40KFU-PAC40E-S04G?\u003c\/p\u003e\n\u003cp\u003eSend the full catalog number Q40KFU-PAC40E-S04G, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Industrial Q40KFU-PAC40E-S04G.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eHow do I confirm compatibility of Q40KFU-PAC40E-S04G before ordering?\u003c\/p\u003e\n\u003cp\u003eMatch the catalog number Q40KFU-PAC40E-S04G and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Balluff","offers":[{"title":"Default Title","offer_id":71702177448189,"sku":"BES021M","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5665\/3309\/files\/BES021M.jpg?v=1792987769","url":"https:\/\/shly-plc.com\/products\/balluff-bes021m","provider":"SHLY-PLC","version":"1.0","type":"link"}