{"product_id":"22mm-key-selector-switch-lay37-11y2-lay37-20y3","title":"22mm Key Selector Switch LAY37-11Y2, LAY37-20Y3","description":"\u003ch3\u003e22mm Key Selector Switch LAY7 \/ LAY37 Series (LAY37-11Y2, LAY37-20Y3)\u003c\/h3\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThis is a \u003cstrong\u003e22mm key-operated rotary selector switch\u003c\/strong\u003e, widely used in industrial control panels for equipment start\/stop, mode selection, and safety locking.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Series\u003c\/strong\u003e: LAY7 \/ LAY37 (interchangeable design)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hole\u003c\/strong\u003e: 22mm standard panel cutout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current\/Voltage\u003c\/strong\u003e: 10A \/ 660V (AC-15)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class\u003c\/strong\u003e: IP40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e: Key-operated design (prevents unauthorized operation), self-locking\/self-reset options, flame-retardant housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e属性项\u003c\/th\u003e\n\u003cth\u003e内容\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ebrand\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrical center B2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003emodel_series\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003eLAY37 \/ LAY7 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eproduct_type\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003eIndustrial Control Switches \u0026gt; Rotary \u0026amp; Key Selector Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003emounting_hole_diameter\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e22mm (standard panel cutout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003erated_voltage\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e660V AC max, 24V\/110V\/220V common\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003erated_current\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e10A (thermal current), 5A (resistive load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003econtact_resistance\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e≤20mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003einsulation_resistance\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e≥20MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eprotection_class\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003eIP40 (front panel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ehousing_material\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant engineering plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003econtact_material\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003emechanical_life\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e≥500,000 operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eworking_temperature\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e-20℃ ~ +55℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e2. Main Models \u0026amp; Contact Configurations\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003ePositions\u003c\/th\u003e\n\u003cth\u003eContact Configuration\u003c\/th\u003e\n\u003cth\u003eOperation Type\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAY37-10Y2\u003c\/td\u003e\n\u003ctd\u003e2-position\u003c\/td\u003e\n\u003ctd\u003e1NO (1 Normally Open)\u003c\/td\u003e\n\u003ctd\u003eSelf-locking\u003c\/td\u003e\n\u003ctd\u003eSimple ON\/OFF control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAY37-11Y2\u003c\/td\u003e\n\u003ctd\u003e2-position\u003c\/td\u003e\n\u003ctd\u003e1NO + 1NC (1 Open 1 Closed)\u003c\/td\u003e\n\u003ctd\u003eSelf-locking\u003c\/td\u003e\n\u003ctd\u003eSwitching between two circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAY37-20Y2\u003c\/td\u003e\n\u003ctd\u003e2-position\u003c\/td\u003e\n\u003ctd\u003e2NO (2 Normally Open)\u003c\/td\u003e\n\u003ctd\u003eSelf-locking\u003c\/td\u003e\n\u003ctd\u003eDual-circuit simultaneous control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAY37-20Y3\u003c\/td\u003e\n\u003ctd\u003e3-position\u003c\/td\u003e\n\u003ctd\u003e2NO (2 Normally Open)\u003c\/td\u003e\n\u003ctd\u003eSelf-locking\u003c\/td\u003e\n\u003ctd\u003eLeft\/center\/right 3-mode selection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAY37-11Y22\u003c\/td\u003e\n\u003ctd\u003e2-position\u003c\/td\u003e\n\u003ctd\u003e1NO + 1NC\u003c\/td\u003e\n\u003ctd\u003eSelf-reset (spring return)\u003c\/td\u003e\n\u003ctd\u003eMomentary switching, failsafe applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAY37-20Y33\u003c\/td\u003e\n\u003ctd\u003e3-position\u003c\/td\u003e\n\u003ctd\u003e2NO (2 Normally Open)\u003c\/td\u003e\n\u003ctd\u003eSelf-reset (return to center)\u003c\/td\u003e\n\u003ctd\u003eTemporary mode selection, safety interlocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e3. Functional Descriptions (from your diagram)\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-position self-locking (1NO+1NC)\u003c\/strong\u003e:\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nDefault state: One side ON, one side OFF. When rotated, the other side turns ON and the original side turns OFF. Stays in the new position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-position self-locking (2NO)\u003c\/strong\u003e:\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nDefault state: Both circuits OFF. When rotated, both circuits turn ON. When rotated back, both turn OFF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-position self-locking (2NO)\u003c\/strong\u003e:\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nDefault state: Both circuits OFF (center position). Rotate left: left circuit ON. Rotate right: right circuit ON. Stays in the new position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-reset versions\u003c\/strong\u003e:\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nThe key automatically returns to the default position when released (center position for 3-position, original position for 2-position).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e4. Application Scenarios\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial machinery control panels\u003c\/li\u003e\n\u003cli\u003eElevator control cabinets\u003c\/li\u003e\n\u003cli\u003eHVAC equipment control\u003c\/li\u003e\n\u003cli\u003ePower distribution panels\u003c\/li\u003e\n\u003cli\u003eEquipment safety interlock systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"electrical center b2c","offers":[{"title":"LAY37-10Y2 [2-position] 1NO Self-locking type","offer_id":50269225287873,"sku":null,"price":19.0,"currency_code":"NZD","in_stock":true},{"title":"LAY37-11Y2 [2-position] 1NO1NC Self-locking type","offer_id":50269225484481,"sku":null,"price":19.0,"currency_code":"NZD","in_stock":true},{"title":"LAY37-20Y2 [2-position] 2NO Self-locking type","offer_id":50269225681089,"sku":null,"price":19.0,"currency_code":"NZD","in_stock":true},{"title":"LAY37-20Y3 [3-position] 2NO Self-locking type","offer_id":50269225877697,"sku":null,"price":20.0,"currency_code":"NZD","in_stock":true},{"title":"LAY37-11Y22 [2-position] 1NO1NC Self-reset type","offer_id":50269226074305,"sku":null,"price":20.0,"currency_code":"NZD","in_stock":true},{"title":"LAY37-20Y33 [3-position] 2NO Self-reset type","offer_id":50269226270913,"sku":null,"price":20.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/0872\/2881\/files\/LATCHING2P1NO.jpg?v=1779977376","url":"https:\/\/www.electric-b2c.com\/en-nz\/products\/22mm-key-selector-switch-lay37-11y2-lay37-20y3","provider":"electrical center b2c","version":"1.0","type":"link"}