{"product_id":"limit-switch-111-1-series-55-gear-ratio-with-3-contact-blocks-hubbell-55-4e-3sp-wr-111","title":"Limit Switch - 111:1 Series 55 Gear Ratio With 3 Contact Blocks Hubbell 55-4E-3SP-WR-111","description":"\u003cstrong data-mce-fragment=\"1\"\u003eAlso Known As :\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eA limit switch is a type of electromechanical device that operates when its actuator reaches a preset position, thereby either opening or closing an electrical connection. It's used in various applications to detect the presence or position of an object.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eAbout :\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLimit the travel of electrically operated doors, conveyors, hoists, machine tool work tables and similar devices. Equipment having rotating mechanisms, or linear motion which can be translated into rotational motion, can be controlled by these versatile switches. Furnas Series 55 switches can be mounted in any position and are easy to wire and adjust.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCommon Applications: :\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Used in electrical circuits to control the operation of machinery.\u003cbr data-mce-fragment=\"1\"\u003e• Can be found in various configurations to suit different applications, including emergency stops, limit switches, and more.\u003cbr data-mce-fragment=\"1\"\u003e• This indicates a significant mechanical advantage or speed reduction. For every 111 rotations of the input gear (often the pinion), the output gear (or driven gear) rotates once. Such a high gear ratio means that the limit switch actuation can be very precise and can occur over extended periods or distances of movement.\u003cbr\u003e\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eStandards:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• The multiple contact blocks are useful in complex machinery or systems where multiple actions or feedback mechanisms are required when a particular position or condition is reached.\u003cbr data-mce-fragment=\"1\"\u003e• Machines that require very accurate positioning or movement might employ such a limit switch. The high gear ratio ensures precise activation, while multiple \u003cbr data-mce-fragment=\"1\"\u003e• One or more contacts might close (make a connection), often referred to as \"normally open\" (NO) contacts.\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eConstruction :\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Consists of springs, levers, and other components that transfer the motion of the actuator to the contacts.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Made of materials that offer durability and reliability over many operating cycles\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Options to mount the limit switch in place, which could include flanges, brackets, or holes for screws\/bolts.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Such a gear setup might be used where you need to detect a position or event very precisely. The high gear ratio allows for fine-tuning of the exact point of activation.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecification :\u003cbr\u003e\u003c\/strong\u003e\n\u003cdiv class=\"MuiTableContainer-root\" data-mce-fragment=\"1\" bis_skin_checked=\"1\"\u003e\n\u003cdiv class=\"MuiTableContainer-root\" bis_skin_checked=\"1\"\u003e\n\u003ctable aria-label=\"a dense table\" class=\"MuiTable-root\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eWidth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003e5-1\/3 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eDepth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003e5-1\/3 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"MuiTableContainer-root\" bis_skin_checked=\"1\"\u003e\n\u003ctable aria-label=\"a dense table\" class=\"MuiTable-root\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eHeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003e3-1\/3 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eGear Ratio\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003e111:1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"MuiTableContainer-root\" bis_skin_checked=\"1\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"MuiTableContainer-root\" bis_skin_checked=\"1\"\u003e\n\u003ctable aria-label=\"a dense table\" class=\"MuiTable-root\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eColor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eGray\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eSupport Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eBase Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eCapacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003e15 Amps.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eNumber of Shelves\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eEach\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\"\u003e\u003cspan\u003eDie-cast Aluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"MuiTableContainer-root\" bis_skin_checked=\"1\"\u003e\n\u003ctable aria-label=\"a dense table\" class=\"MuiTable-root\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 313.672px;\"\u003e\u003cspan\u003ePackage Quantity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 218.328px;\"\u003e\u003cspan\u003e1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 313.672px;\"\u003e\u003cspan\u003eManufacturers Part Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 218.328px;\"\u003e\u003cspan\u003e55-4E-3SP-WR-111\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 313.672px;\"\u003e\u003cspan\u003eNormally Closed\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 218.328px;\"\u003e\u003cspan\u003e3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 313.672px;\"\u003e\u003cspan\u003eNormally Open\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 218.328px;\"\u003e\u003cspan\u003e3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"MuiTableRow-root\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 313.672px;\"\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\" style=\"width: 218.328px;\"\u003e\u003cspan\u003eHubbell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable class=\"MuiTable-root\" aria-label=\"a dense table\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr class=\"MuiTableRow-root\" data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"MuiTableCell-root tableHead MuiTableCell-alignLeft MuiTableCell-sizeSmall\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNEMA Class\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root tableVal MuiTableCell-alignLeft MuiTableCell-sizeSmall\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFeatures :\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eIndustrial Machinery:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• To detect the presence or position of objects or parts.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSafety Interlocks:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• To ensure that dangerous machinery is powered down when access doors are opened.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePosition Detection:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• In elevators, doors, gates, etc., to detect the open or closed position.\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eInstallation:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• The switches should be installed according to the manufacturer's specifications and guidelines, considering the environmental and operational conditions.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMaintenance:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• Regular maintenance checks to ensure that the switch is operating effectively and safely. It may include cleaning, inspection, and testing.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eVoltage and Current:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• Indicates the maximum voltage and current that the switch is rated for. Exceeding these ratings can cause failure or unsafe conditions.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSlow Speed:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• The output shaft turns at a much slower speed compared to the input shaft.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eIncreased Torque:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e• There is an increase in torque at the output, making it suitable for applications requiring substantial force.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e","brand":"Global Industrial","offers":[{"title":"Default Title","offer_id":44039309852826,"sku":"55-4E-3SP-WR-111","price":780.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0213\/7895\/7412\/files\/26_1d5e0625-092c-4422-8d97-5e61b42daefe.png?v=1762982986","url":"https:\/\/nassaunationalcable.com\/products\/limit-switch-111-1-series-55-gear-ratio-with-3-contact-blocks-hubbell-55-4e-3sp-wr-111","provider":"NassauNationalCable","version":"1.0","type":"link"}