{"product_id":"keyence-lk-h057-laser-displacement-sensor-head","title":"Keyence LK-H057 Laser Displacement Sensor Head","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\"\u003eKeyence · circuit breaker\u003c\/p\u003e\n\u003cp class=\"shly-lead\"\u003e\u003cb\u003eLK-H057\u003c\/b\u003e is a Keyence circuit breaker with Rated operational voltage \u0026lt;= 440 V AC; Breaking capacity Icu\/Ics 0.01% of F.S.\/°C (F.S.= 20 mm 0.79\" ); Supply voltage 10...30 V DC (IEC 60947-5-2). 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\u003eRated operational voltage\u003c\/span\u003e\u003cstrong\u003e\u0026lt;= 440 V AC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBreaking capacity Icu\/Ics\u003c\/span\u003e\u003cstrong\u003e0.01% of F.S.\/°C (F.S.= 20 mm 0.79\" )\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSupply voltage\u003c\/span\u003e\u003cstrong\u003e10...30 V DC (IEC 60947-5-2)\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\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 operational voltage\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;= 440 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaking capacity Icu\/Ics\u003c\/th\u003e\n\u003ctd\u003e0.01% of F.S.\/°C (F.S.= 20 mm 0.79\" )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply voltage\u003c\/th\u003e\n\u003ctd\u003e10...30 V DC (IEC 60947-5-2)\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\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eApprox. 260 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eDiffuse reflective\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\u003e-25...+60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eCE, cULus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHumidity\u003c\/th\u003e\n\u003ctd\u003e35 to 85 % RH (No condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp class=\"shly-note\"\u003eValues follow the Keyence circuit breaker 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\"\u003eKeyence circuit breaker 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\u003cth style=\"width:24%\"\u003eRated operational voltage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cb\u003eLK-H057\u003c\/b\u003e (this page)\u003c\/td\u003e\n\u003ctd\u003e0.01% of F.S.\/°C (F.S.= 20 mm 0.79\" )\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 440 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/keyence-lk-h057k-level-sensor\"\u003eLK-H057K\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01% of F.S. (F.S.= 20 mm 0.79\" )\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 440 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/keyence-lk-h050-level-sensor\"\u003eLK-H050\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01% of F.S.\/°C (F.S.= 20 mm 0.79\" )\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 440 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/keyence-lk-h052-level-sensor\"\u003eLK-H052\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01% of F.S.\/°C (F.S.= 20 mm 0.79\" )\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 440 V AC\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\u003eSelection notes for Keyence LK-H057\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKeyence LK-H057\u003c\/strong\u003e — Sensor or detector for object detection, distance measurement and status feedback on production lines. The figures below are taken from the specification table on this page for catalog number LK-H057; verify the catalog number against your bill of materials before requesting a quotation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated operational voltage: \u003cstrong\u003e\u0026lt;= 440 V AC\u003c\/strong\u003e — Match it to the existing panel and upstream protection.\u003c\/li\u003e\n\u003cli\u003eSupply voltage: \u003cstrong\u003e10...30 V DC (IEC 60947-5-2)\u003c\/strong\u003e — Record it with the other nameplate data when sourcing a replacement.\u003c\/li\u003e\n\u003cli\u003eWeight: \u003cstrong\u003eApprox. 260 g\u003c\/strong\u003e — Confirm the revision of the installed unit before a like-for-like replacement.\u003c\/li\u003e\n\u003cli\u003eHumidity: \u003cstrong\u003e35 to 85 % RH (No condensation)\u003c\/strong\u003e — Use it as the reference when cross-checking a current-production equivalent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCross-check the ratings above with the installed device before confirming the order.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions about LK-H057\u003c\/h3\u003e\n\u003cdiv class=\"shly-q\"\u003e\n\u003cp class=\"shly-qq\"\u003e\u003cem\u003eQ.\u003c\/em\u003eWhere can I find the certifications data for LK-H057?\u003c\/p\u003e\n\u003cp\u003eIt is listed in the specification table for Keyence LK-H057 as CE, cULus. 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 LK-H057, what does the specification table state about humidity?\u003c\/p\u003e\n\u003cp\u003eThe specification table lists humidity = 35 to 85 % RH (No condensation) for Keyence LK-H057. 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\u003eWhich value is published under operating temperature for catalog number LK-H057?\u003c\/p\u003e\n\u003cp\u003eFor LK-H057, operating temperature is given as -25...+60 °C. 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\u003eWhat should I include in an enquiry for LK-H057?\u003c\/p\u003e\n\u003cp\u003eSend the full catalog number LK-H057, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Keyence LK-H057.\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 LK-H057 before ordering?\u003c\/p\u003e\n\u003cp\u003eMatch the catalog number LK-H057 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":"Keyence","offers":[{"title":"New","offer_id":46137041879293,"sku":"LK-H057","price":892.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5665\/3309\/files\/AS_4571_L.jpg?v=1787231710","url":"https:\/\/shly-plc.com\/products\/keyence-lk-h057-laser-displacement-sensor-head","provider":"SHLY-PLC","version":"1.0","type":"link"}