HONEYWELL GKLA40L6A2 Safety Limit Switch - Heavy Duty
The HONEYWELL GKLA40L6A2 is a heavy-duty safety limit switch designed for industrial applications requiring reliable machine safety interlocks. This micro switch features a solenoid-operated, key-trapping mechanism that ensures safety during hazardous operations. The switch is suitable for use on machinery where an instant stop is impractical, providing enhanced safety and operational control.
Silver alloy (standard); gold-plated silver alloy (low energy applications)
Rated operational voltage
240 Vac, 250 Vdc
Rated operational current
3 A, 0.27 A
Environmental sealing
IP68; NEMA 1, 4, 6P, 12, & 13
Operating temperature
-25 °C to 85 °C [-13 °F to 185 °F]
Certifications
CE, CSA, UL, SIL3 capable
Potential Applications
Machine guards and safety doors
Metalworking and punch press machinery
Plastic molding and die casting equipment
Robotic safety cells
Special purpose machinery requiring safety interlocks
Additional Information
For more details, please refer to the Honeywell safety portfolio and specific product series such as GK Series, GKM Series, GKE Series, and GKN Series.
Note: All normally closed (NC) contacts are positive opening. The datasheet was not processed; please search the internet for the part number GKLA40L6A2 for more details.
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{"id":10026195386685,"title":"GKLA40L6A2","handle":"gkla40l6a2","description":"\u003ch3\u003eHONEYWELL GKLA40L6A2 Safety Limit Switch - Heavy Duty\u003c\/h3\u003e\n\u003cp\u003eThe HONEYWELL GKLA40L6A2 is a heavy-duty safety limit switch designed for industrial applications requiring reliable machine safety interlocks. This micro switch features a solenoid-operated, key-trapping mechanism that ensures safety during hazardous operations. The switch is suitable for use on machinery where an instant stop is impractical, providing enhanced safety and operational control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e GKLA40L6A2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e HONEYWELL\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-mr\/mr-gkla40l6a2.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty metal housing with epoxy-coated die-cast zinc construction for durability and resistance to shock, vibration, and environmental factors\u003c\/li\u003e\n\u003cli\u003eKey operated with multiple key styles including straight, 90°, flexible up-down, and side-side configurations\u003c\/li\u003e\n\u003cli\u003eDual-entry positions (side or top) for flexible installation options\u003c\/li\u003e\n\u003cli\u003eMultiple contact arrangements including 1NC\/1NO, 2NC, 2NC\/2NO, 3NC\/1NO, or 4NC contacts for monitoring key and solenoid status\u003c\/li\u003e\n\u003cli\u003ePositive opening normally closed contacts compliant with EN\/IEC 60947-5-1-3 standards\u003c\/li\u003e\n\u003cli\u003eManual override feature for emergency access\u003c\/li\u003e\n\u003cli\u003eLED indicators for monitoring contact and solenoid status\u003c\/li\u003e\n\u003cli\u003eEnvironmental sealing to IP68 and NEMA 1, 4, 6P, 12, \u0026amp; 13 standards\u003c\/li\u003e\n\u003cli\u003eDesigned for safety functions up to SIL3 per IEC 61508\u003c\/li\u003e\n\u003cli\u003eAvailable with different conduit options for global applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCharacteristic\u003c\/th\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription\u003c\/td\u003e\n\u003ctd\u003eDual-entry - solenoid safety interlock switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCSA (C22.2 No.14. File57323), UL (UL508, File E37138), CE (IEC 60947-1, IEC 60947-5-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing material\u003c\/td\u003e\n\u003ctd\u003eEpoxy coated die-cast zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey (actuator) material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey styles\u003c\/td\u003e\n\u003ctd\u003eStraight, 90°, flexible up-down, flexible side-side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsertion force\u003c\/td\u003e\n\u003ctd\u003e35 N [8 lb]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtraction force\u003c\/td\u003e\n\u003ctd\u003e28 N [6 lb]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolenoid locking force\u003c\/td\u003e\n\u003ctd\u003e1000 N [224 lb] max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolenoid voltages\u003c\/td\u003e\n\u003ctd\u003e12 Vdc, 24 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact options\u003c\/td\u003e\n\u003ctd\u003e1NC\/1NO, 2NC, 2NC\/2NO, 3NC\/1NO, 4NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact material\u003c\/td\u003e\n\u003ctd\u003eSilver alloy (standard); gold-plated silver alloy (low energy applications)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated operational voltage\u003c\/td\u003e\n\u003ctd\u003e240 Vac, 250 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated operational current\u003c\/td\u003e\n\u003ctd\u003e3 A, 0.27 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental sealing\u003c\/td\u003e\n\u003ctd\u003eIP68; NEMA 1, 4, 6P, 12, \u0026amp; 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-25 °C to 85 °C [-13 °F to 185 °F]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, CSA, UL, SIL3 capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePotential Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMachine guards and safety doors\u003c\/li\u003e\n\u003cli\u003eMetalworking and punch press machinery\u003c\/li\u003e\n\u003cli\u003ePlastic molding and die casting equipment\u003c\/li\u003e\n\u003cli\u003eRobotic safety cells\u003c\/li\u003e\n\u003cli\u003eSpecial purpose machinery requiring safety interlocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more details, please refer to the \u003ca href=\"https:\/\/sensing.honeywell.com\/micro-switch-safety-switches-line-guide-004757-6-en-lowres.pdf\" target=\"_blank\"\u003eHoneywell safety portfolio\u003c\/a\u003e and specific product series such as GK Series, GKM Series, GKE Series, and GKN Series.\u003c\/p\u003e\n\u003cp\u003eNote: All normally closed (NC) contacts are positive opening. The datasheet was not processed; please search the internet for the part number GKLA40L6A2 for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T03:10:02+05:30","created_at":"2025-08-15T03:10:04+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["HWLL","IMPORT_CSV","Keylock","Switch","WLDM"],"price":6278865,"price_min":6278865,"price_max":6278865,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50621720166717,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"GKLA40L6A2","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"GKLA40L6A2","public_title":null,"options":["Default Title"],"price":6278865,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"GKLA40L6A2","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/GKLA40L6A2_11932620_51c6bd9e.jpg?v=1755207604"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GKLA40L6A2_11932620_51c6bd9e.jpg?v=1755207604","options":["Title"],"media":[{"alt":null,"id":45845163999549,"position":1,"preview_image":{"aspect_ratio":1.28,"height":200,"width":256,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GKLA40L6A2_11932620_51c6bd9e.jpg?v=1755207604"},"aspect_ratio":1.28,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GKLA40L6A2_11932620_51c6bd9e.jpg?v=1755207604","width":256}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHONEYWELL GKLA40L6A2 Safety Limit Switch - Heavy Duty\u003c\/h3\u003e\n\u003cp\u003eThe HONEYWELL GKLA40L6A2 is a heavy-duty safety limit switch designed for industrial applications requiring reliable machine safety interlocks. This micro switch features a solenoid-operated, key-trapping mechanism that ensures safety during hazardous operations. The switch is suitable for use on machinery where an instant stop is impractical, providing enhanced safety and operational control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e GKLA40L6A2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e HONEYWELL\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-mr\/mr-gkla40l6a2.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty metal housing with epoxy-coated die-cast zinc construction for durability and resistance to shock, vibration, and environmental factors\u003c\/li\u003e\n\u003cli\u003eKey operated with multiple key styles including straight, 90°, flexible up-down, and side-side configurations\u003c\/li\u003e\n\u003cli\u003eDual-entry positions (side or top) for flexible installation options\u003c\/li\u003e\n\u003cli\u003eMultiple contact arrangements including 1NC\/1NO, 2NC, 2NC\/2NO, 3NC\/1NO, or 4NC contacts for monitoring key and solenoid status\u003c\/li\u003e\n\u003cli\u003ePositive opening normally closed contacts compliant with EN\/IEC 60947-5-1-3 standards\u003c\/li\u003e\n\u003cli\u003eManual override feature for emergency access\u003c\/li\u003e\n\u003cli\u003eLED indicators for monitoring contact and solenoid status\u003c\/li\u003e\n\u003cli\u003eEnvironmental sealing to IP68 and NEMA 1, 4, 6P, 12, \u0026amp; 13 standards\u003c\/li\u003e\n\u003cli\u003eDesigned for safety functions up to SIL3 per IEC 61508\u003c\/li\u003e\n\u003cli\u003eAvailable with different conduit options for global applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCharacteristic\u003c\/th\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription\u003c\/td\u003e\n\u003ctd\u003eDual-entry - solenoid safety interlock switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCSA (C22.2 No.14. File57323), UL (UL508, File E37138), CE (IEC 60947-1, IEC 60947-5-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing material\u003c\/td\u003e\n\u003ctd\u003eEpoxy coated die-cast zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey (actuator) material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey styles\u003c\/td\u003e\n\u003ctd\u003eStraight, 90°, flexible up-down, flexible side-side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsertion force\u003c\/td\u003e\n\u003ctd\u003e35 N [8 lb]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtraction force\u003c\/td\u003e\n\u003ctd\u003e28 N [6 lb]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolenoid locking force\u003c\/td\u003e\n\u003ctd\u003e1000 N [224 lb] max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolenoid voltages\u003c\/td\u003e\n\u003ctd\u003e12 Vdc, 24 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact options\u003c\/td\u003e\n\u003ctd\u003e1NC\/1NO, 2NC, 2NC\/2NO, 3NC\/1NO, 4NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact material\u003c\/td\u003e\n\u003ctd\u003eSilver alloy (standard); gold-plated silver alloy (low energy applications)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated operational voltage\u003c\/td\u003e\n\u003ctd\u003e240 Vac, 250 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated operational current\u003c\/td\u003e\n\u003ctd\u003e3 A, 0.27 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental sealing\u003c\/td\u003e\n\u003ctd\u003eIP68; NEMA 1, 4, 6P, 12, \u0026amp; 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-25 °C to 85 °C [-13 °F to 185 °F]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, CSA, UL, SIL3 capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePotential Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMachine guards and safety doors\u003c\/li\u003e\n\u003cli\u003eMetalworking and punch press machinery\u003c\/li\u003e\n\u003cli\u003ePlastic molding and die casting equipment\u003c\/li\u003e\n\u003cli\u003eRobotic safety cells\u003c\/li\u003e\n\u003cli\u003eSpecial purpose machinery requiring safety interlocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more details, please refer to the \u003ca href=\"https:\/\/sensing.honeywell.com\/micro-switch-safety-switches-line-guide-004757-6-en-lowres.pdf\" target=\"_blank\"\u003eHoneywell safety portfolio\u003c\/a\u003e and specific product series such as GK Series, GKM Series, GKE Series, and GKN Series.\u003c\/p\u003e\n\u003cp\u003eNote: All normally closed (NC) contacts are positive opening. The datasheet was not processed; please search the internet for the part number GKLA40L6A2 for more details.\u003c\/p\u003e\u003cbr\u003e"}
