Introducing the ZF Switches & Sensors D449-Q1LD, a high-quality miniature snap action switch designed for precise and reliable operation in various electronic applications. Manufactured in Hong Kong, this limit switch meets RoHS compliance and is suitable for demanding environments.
Product Features
Compact and miniature design for space-constrained applications
Snap action mechanism ensures quick and reliable switching
Multiple electrical ratings to accommodate different load requirements
High electrical life expectancy of up to 50,000 cycles at rated load
Constructed with durable thermoplastic polyester (PET) case and brass terminals
Gold crosspoint contacts for improved conductivity and longevity (model D41)
Operating temperature range from -40°C to +85°C, with options for 125°C or 150°C
UL 94V-0 flammability rating ensures safety in various environments
Technical Specifications
Switch Series
EN61058 Rating
UL Rating
Electrical Life at Rated Load (min.)
D41
0.1(0.05)A, 250V~; 0.5A 30VDC
0.1A, 125/250VAC; 0.5A 30VDC, 1A 125VAC (6k life only)
Auxiliary Actuator: Stainless Steel or Cold-Rolled Steel (Nickel-Plated)
Common Terminal: Brass
Electrical and Mechanical Details
Operating temperature: -40°C to +85°C (options for 125°C or 150°C available upon request)
Flammability Rating: UL 94V-0
Terminals: Brass with optional connector part #823-0518 for RAST 5 QC terminals
Actuators: Standard integral hinged lever and roller actuators available in multiple lengths and forms
Mounting: US recommended #4-40 round head screw with washer; European M3 screw with washer; torque max 60 NCM
Product Details
Item Number
EN Rating
UL Rating
Terminals
Max Operating Force (cN)
Operating Point (inches/mm)
Overtravel (inches/mm)
Movement Differential (inches/mm)
Actuation Length (inches/mm)
Housing Mark
D41CR1AA
0.1 (0.05) A, 250 VAC; 0.5 A, 30 VDC; 1 A, 250 VAC
0.1 A, 125/250 VAC; 0.5 A, 30 VDC; 1 A, 125 VAC
0.187" x 0.020"
170
0.047" (1.2)
0.559 / 0.599 (14.2 / 15.2)
0.05" (1.3)
0.012" (0.3)
N/A
Datasheet
For detailed technical specifications and additional information, please refer to the datasheet.
Note: The datasheet was not processed; please search the internet for the part number D449-Q1LD for more details.
Note: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.
{"id":10009377014077,"title":"D449-Q1LD","handle":"d449-q1ld","description":"\u003ch3\u003eMiniature Switch - D449-Q1LD\u003c\/h3\u003e\n\u003cp\u003eIntroducing the ZF Switches \u0026amp; Sensors D449-Q1LD, a high-quality miniature snap action switch designed for precise and reliable operation in various electronic applications. Manufactured in Hong Kong, this limit switch meets RoHS compliance and is suitable for demanding environments.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCompact and miniature design for space-constrained applications\u003c\/li\u003e\n \u003cli\u003eSnap action mechanism ensures quick and reliable switching\u003c\/li\u003e\n \u003cli\u003eMultiple electrical ratings to accommodate different load requirements\u003c\/li\u003e\n \u003cli\u003eHigh electrical life expectancy of up to 50,000 cycles at rated load\u003c\/li\u003e\n \u003cli\u003eConstructed with durable thermoplastic polyester (PET) case and brass terminals\u003c\/li\u003e\n \u003cli\u003eGold crosspoint contacts for improved conductivity and longevity (model D41)\u003c\/li\u003e\n \u003cli\u003eOperating temperature range from -40°C to +85°C, with options for 125°C or 150°C\u003c\/li\u003e\n \u003cli\u003eUL 94V-0 flammability rating ensures safety in various environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Series\u003c\/th\u003e\n \u003cth\u003eEN61058 Rating\u003c\/th\u003e\n \u003cth\u003eUL Rating\u003c\/th\u003e\n \u003cth\u003eElectrical Life at Rated Load (min.)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eD41\u003c\/td\u003e\n \u003ctd\u003e0.1(0.05)A, 250V~; 0.5A 30VDC\u003c\/td\u003e\n \u003ctd\u003e0.1A, 125\/250VAC; 0.5A 30VDC, 1A 125VAC (6k life only)\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD42\u003c\/td\u003e\n \u003ctd\u003e3(1)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e3A, 125\/250VAC; 1\/10HP, 250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD43\u003c\/td\u003e\n \u003ctd\u003e6(2)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e5A, 125\/250VAC, 1\/4HP, 250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD44\u003c\/td\u003e\n \u003ctd\u003e10(3)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e10A, 1\/2HP, 125\/250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD45\u003c\/td\u003e\n \u003ctd\u003e16(4)A, 250V~; 10(3)A, 400V~ (Std. force only)\u003c\/td\u003e\n \u003ctd\u003e15A, 1\/2HP, 125\/250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD48\u003c\/td\u003e\n \u003ctd\u003e21(8)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e21A, 250VAC; 1HP, 125VAC; 2HP, 250VAC\u003c\/td\u003e\n \u003ctd\u003e10,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCase\/Cover: Thermoplastic Polyester (PET)\u003c\/li\u003e\n \u003cli\u003eContacts: Gold Crosspoint (D41), Silver Plated Brass (D42-D48)\u003c\/li\u003e\n \u003cli\u003eMoving Blade: Silver Plated Brass\u003c\/li\u003e\n \u003cli\u003eAuxiliary Actuator: Stainless Steel or Cold-Rolled Steel (Nickel-Plated)\u003c\/li\u003e\n \u003cli\u003eCommon Terminal: Brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating temperature: -40°C to +85°C (options for 125°C or 150°C available upon request)\u003c\/li\u003e\n \u003cli\u003eFlammability Rating: UL 94V-0\u003c\/li\u003e\n \u003cli\u003eTerminals: Brass with optional connector part #823-0518 for RAST 5 QC terminals\u003c\/li\u003e\n \u003cli\u003eActuators: Standard integral hinged lever and roller actuators available in multiple lengths and forms\u003c\/li\u003e\n \u003cli\u003eMounting: US recommended #4-40 round head screw with washer; European M3 screw with washer; torque max 60 NCM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eItem Number\u003c\/th\u003e\n \u003cth\u003eEN Rating\u003c\/th\u003e\n \u003cth\u003eUL Rating\u003c\/th\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003cth\u003eMax Operating Force (cN)\u003c\/th\u003e\n \u003cth\u003eOperating Point (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eOvertravel (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eMovement Differential (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eActuation Length (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eHousing Mark\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eD41CR1AA\u003c\/td\u003e\n \u003ctd\u003e0.1 (0.05) A, 250 VAC; 0.5 A, 30 VDC; 1 A, 250 VAC\u003c\/td\u003e\n \u003ctd\u003e0.1 A, 125\/250 VAC; 0.5 A, 30 VDC; 1 A, 125 VAC\u003c\/td\u003e\n \u003ctd\u003e0.187\" x 0.020\"\u003c\/td\u003e\n \u003ctd\u003e170\u003c\/td\u003e\n \u003ctd\u003e0.047\" (1.2)\u003c\/td\u003e\n \u003ctd\u003e0.559 \/ 0.599 (14.2 \/ 15.2)\u003c\/td\u003e\n \u003ctd\u003e0.05\" (1.3)\u003c\/td\u003e\n \u003ctd\u003e0.012\" (0.3)\u003c\/td\u003e\n \u003ctd\u003eN\/A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c!-- Additional rows omitted for brevity; include as needed --\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications and additional information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-che\/che-d449-q1ld.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number D449-Q1LD for more details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2025-08-08T12:56:46+05:30","created_at":"2025-08-08T12:56:46+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_PT2","Limit","STD_IMG","Switch","WLDM","ZF"],"price":12473,"price_min":12473,"price_max":12473,"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":50563050438973,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"D449-Q1LD","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"D449-Q1LD","public_title":null,"options":["Default Title"],"price":12473,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"D449-Q1LD","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_3e705412-c72f-478c-9b3d-699936cf0bca.jpg?v=1754638006"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_3e705412-c72f-478c-9b3d-699936cf0bca.jpg?v=1754638006","options":["Title"],"media":[{"alt":null,"id":45725750100285,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_3e705412-c72f-478c-9b3d-699936cf0bca.jpg?v=1754638006"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_3e705412-c72f-478c-9b3d-699936cf0bca.jpg?v=1754638006","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eMiniature Switch - D449-Q1LD\u003c\/h3\u003e\n\u003cp\u003eIntroducing the ZF Switches \u0026amp; Sensors D449-Q1LD, a high-quality miniature snap action switch designed for precise and reliable operation in various electronic applications. Manufactured in Hong Kong, this limit switch meets RoHS compliance and is suitable for demanding environments.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCompact and miniature design for space-constrained applications\u003c\/li\u003e\n \u003cli\u003eSnap action mechanism ensures quick and reliable switching\u003c\/li\u003e\n \u003cli\u003eMultiple electrical ratings to accommodate different load requirements\u003c\/li\u003e\n \u003cli\u003eHigh electrical life expectancy of up to 50,000 cycles at rated load\u003c\/li\u003e\n \u003cli\u003eConstructed with durable thermoplastic polyester (PET) case and brass terminals\u003c\/li\u003e\n \u003cli\u003eGold crosspoint contacts for improved conductivity and longevity (model D41)\u003c\/li\u003e\n \u003cli\u003eOperating temperature range from -40°C to +85°C, with options for 125°C or 150°C\u003c\/li\u003e\n \u003cli\u003eUL 94V-0 flammability rating ensures safety in various environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Series\u003c\/th\u003e\n \u003cth\u003eEN61058 Rating\u003c\/th\u003e\n \u003cth\u003eUL Rating\u003c\/th\u003e\n \u003cth\u003eElectrical Life at Rated Load (min.)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eD41\u003c\/td\u003e\n \u003ctd\u003e0.1(0.05)A, 250V~; 0.5A 30VDC\u003c\/td\u003e\n \u003ctd\u003e0.1A, 125\/250VAC; 0.5A 30VDC, 1A 125VAC (6k life only)\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD42\u003c\/td\u003e\n \u003ctd\u003e3(1)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e3A, 125\/250VAC; 1\/10HP, 250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD43\u003c\/td\u003e\n \u003ctd\u003e6(2)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e5A, 125\/250VAC, 1\/4HP, 250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD44\u003c\/td\u003e\n \u003ctd\u003e10(3)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e10A, 1\/2HP, 125\/250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD45\u003c\/td\u003e\n \u003ctd\u003e16(4)A, 250V~; 10(3)A, 400V~ (Std. force only)\u003c\/td\u003e\n \u003ctd\u003e15A, 1\/2HP, 125\/250VAC\u003c\/td\u003e\n \u003ctd\u003e50,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD48\u003c\/td\u003e\n \u003ctd\u003e21(8)A, 250V~\u003c\/td\u003e\n \u003ctd\u003e21A, 250VAC; 1HP, 125VAC; 2HP, 250VAC\u003c\/td\u003e\n \u003ctd\u003e10,000\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCase\/Cover: Thermoplastic Polyester (PET)\u003c\/li\u003e\n \u003cli\u003eContacts: Gold Crosspoint (D41), Silver Plated Brass (D42-D48)\u003c\/li\u003e\n \u003cli\u003eMoving Blade: Silver Plated Brass\u003c\/li\u003e\n \u003cli\u003eAuxiliary Actuator: Stainless Steel or Cold-Rolled Steel (Nickel-Plated)\u003c\/li\u003e\n \u003cli\u003eCommon Terminal: Brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating temperature: -40°C to +85°C (options for 125°C or 150°C available upon request)\u003c\/li\u003e\n \u003cli\u003eFlammability Rating: UL 94V-0\u003c\/li\u003e\n \u003cli\u003eTerminals: Brass with optional connector part #823-0518 for RAST 5 QC terminals\u003c\/li\u003e\n \u003cli\u003eActuators: Standard integral hinged lever and roller actuators available in multiple lengths and forms\u003c\/li\u003e\n \u003cli\u003eMounting: US recommended #4-40 round head screw with washer; European M3 screw with washer; torque max 60 NCM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eItem Number\u003c\/th\u003e\n \u003cth\u003eEN Rating\u003c\/th\u003e\n \u003cth\u003eUL Rating\u003c\/th\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003cth\u003eMax Operating Force (cN)\u003c\/th\u003e\n \u003cth\u003eOperating Point (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eOvertravel (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eMovement Differential (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eActuation Length (inches\/mm)\u003c\/th\u003e\n \u003cth\u003eHousing Mark\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eD41CR1AA\u003c\/td\u003e\n \u003ctd\u003e0.1 (0.05) A, 250 VAC; 0.5 A, 30 VDC; 1 A, 250 VAC\u003c\/td\u003e\n \u003ctd\u003e0.1 A, 125\/250 VAC; 0.5 A, 30 VDC; 1 A, 125 VAC\u003c\/td\u003e\n \u003ctd\u003e0.187\" x 0.020\"\u003c\/td\u003e\n \u003ctd\u003e170\u003c\/td\u003e\n \u003ctd\u003e0.047\" (1.2)\u003c\/td\u003e\n \u003ctd\u003e0.559 \/ 0.599 (14.2 \/ 15.2)\u003c\/td\u003e\n \u003ctd\u003e0.05\" (1.3)\u003c\/td\u003e\n \u003ctd\u003e0.012\" (0.3)\u003c\/td\u003e\n \u003ctd\u003eN\/A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c!-- Additional rows omitted for brevity; include as needed --\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications and additional information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-che\/che-d449-q1ld.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number D449-Q1LD for more details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e"}