Introducing the Switch Snap Action from ZF Switches & Sensors, part number D449-V3AA. This miniature limit switch is designed for reliable and precise operation in various industrial applications. Manufactured in Hong Kong, this switch complies with RoHS standards and features a compact, durable construction suitable for demanding environments.
Key Features
Miniature D4 Series design with international and UL/CSA approvals
Choice of actuators and terminal types to suit diverse installation needs
Multiple contact arrangements including SPDT configurations
Standard or light operating force options for tailored performance
Long life coil spring mechanism ensuring durability and reliability
Extended life versions available, with VDE approval upon request
Stackable case and cover options for versatile mounting
PCB footprint compatible with standard mounting practices
Electrical Ratings & Contact Materials
Series
Contact Prefix Ratings
Material
D40
1.0 amp, 125 VAC
Gold Crosspoint
D41
0.1 amp, 125/250 VAC (UL+CUL)
Contacts 0.25 amp, 30 VDC
D42
3 amp, 125/250 VAC
Silver Alloy
D43
5 amp, 125/250 VAC
Silver Alloy
D44
10 amp, 125/250 VAC
Silver Alloy
D45
15 amp, 125/250 VAC
Silver Alloy
D48
21 amp, 250 VAC
Silver Alloy
D49
10 amp, 125/250 VAC
Silver Alloy
Operating Conditions & Mechanical Details
Temperature Rating: -40°C to +85°C, with optional versions up to +150°C
Flammability Rating: UL94V-0
Mounting recommended screw size: #4-40 round head with torque up to 3 inch lbs.
Terminal options include offset and straight types, with various sizes and configurations
Actuator options include button, lever, roller, and custom types, with lengths from 0.865 inches to 2.757 inches
Note: The datasheet was not processed; please search the internet for the part number D449-V3AA for more detailed information.
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":10006036087101,"title":"D449-V3AA","handle":"d449-v3aa","description":"\u003ch3\u003eProduct Description: ZF Switches \u0026amp; Sensors D449-V3AA - Switch Snap Action\u003c\/h3\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSwitch Snap Action\u003c\/strong\u003e from \u003cstrong\u003eZF Switches \u0026amp; Sensors\u003c\/strong\u003e, part number \u003cstrong\u003eD449-V3AA\u003c\/strong\u003e. This miniature limit switch is designed for reliable and precise operation in various industrial applications. Manufactured in Hong Kong, this switch complies with RoHS standards and features a compact, durable construction suitable for demanding environments.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMiniature D4 Series design with international and UL\/CSA approvals\u003c\/li\u003e\n \u003cli\u003eChoice of actuators and terminal types to suit diverse installation needs\u003c\/li\u003e\n \u003cli\u003eMultiple contact arrangements including SPDT configurations\u003c\/li\u003e\n \u003cli\u003eStandard or light operating force options for tailored performance\u003c\/li\u003e\n \u003cli\u003eLong life coil spring mechanism ensuring durability and reliability\u003c\/li\u003e\n \u003cli\u003eExtended life versions available, with VDE approval upon request\u003c\/li\u003e\n \u003cli\u003eStackable case and cover options for versatile mounting\u003c\/li\u003e\n \u003cli\u003ePCB footprint compatible with standard mounting practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Ratings \u0026amp; Contact Materials\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003cth\u003eContact Prefix Ratings\u003c\/th\u003e\n \u003cth\u003eMaterial\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eD40\u003c\/td\u003e\n \u003ctd\u003e1.0 amp, 125 VAC\u003c\/td\u003e\n \u003ctd\u003eGold Crosspoint\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD41\u003c\/td\u003e\n \u003ctd\u003e0.1 amp, 125\/250 VAC (UL+CUL)\u003c\/td\u003e\n \u003ctd\u003eContacts 0.25 amp, 30 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD42\u003c\/td\u003e\n \u003ctd\u003e3 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD43\u003c\/td\u003e\n \u003ctd\u003e5 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD44\u003c\/td\u003e\n \u003ctd\u003e10 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD45\u003c\/td\u003e\n \u003ctd\u003e15 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD48\u003c\/td\u003e\n \u003ctd\u003e21 amp, 250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD49\u003c\/td\u003e\n \u003ctd\u003e10 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperating Conditions \u0026amp; Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eTemperature Rating: -40°C to +85°C, with optional versions up to +150°C\u003c\/li\u003e\n \u003cli\u003eFlammability Rating: UL94V-0\u003c\/li\u003e\n \u003cli\u003eMounting recommended screw size: #4-40 round head with torque up to 3 inch lbs.\u003c\/li\u003e\n \u003cli\u003eTerminal options include offset and straight types, with various sizes and configurations\u003c\/li\u003e\n \u003cli\u003eActuator options include button, lever, roller, and custom types, with lengths from 0.865 inches to 2.757 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Type\u003c\/th\u003e\n \u003cth\u003eOperating Force Max. (gms.)\u003c\/th\u003e\n \u003cth\u003ePretravel (Inches \/ mm)\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\u003eActuator Length (Inches \/ mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eUS L-R1AA (Int’l. 9-V1AA)\u003c\/td\u003e\n \u003ctd\u003e15\u003c\/td\u003e\n \u003ctd\u003e0.047 \/ 1.19\u003c\/td\u003e\n \u003ctd\u003e0.558 \/ 14.17\u003c\/td\u003e\n \u003ctd\u003e0.050 \/ 1.27\u003c\/td\u003e\n \u003ctd\u003e0.010 \/ 0.250\u003c\/td\u003e\n \u003ctd\u003e—\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUS L-R1LA (Int’l. 9-V1LA)\u003c\/td\u003e\n \u003ctd\u003e15\u003c\/td\u003e\n \u003ctd\u003e0.062 \/ 1.57\u003c\/td\u003e\n \u003ctd\u003e0.580 \/ 14.73\u003c\/td\u003e\n \u003ctd\u003e0.050 \/ 1.27\u003c\/td\u003e\n \u003ctd\u003e0.016 \/ 0.406\u003c\/td\u003e\n \u003ctd\u003e1.400 \/ 35.56\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUS L-R1YD (Int’l. 9-V1YD)\u003c\/td\u003e\n \u003ctd\u003e8\u003c\/td\u003e\n \u003ctd\u003e0.125 \/ 3.18\u003c\/td\u003e\n \u003ctd\u003e0.555 \/ 14.10\u003c\/td\u003e\n \u003ctd\u003e0.085 \/ 2.16\u003c\/td\u003e\n \u003ctd\u003e0.030 \/ 0.760\u003c\/td\u003e\n \u003ctd\u003e1.400 \/ 35.56\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c!-- Additional rows omitted for brevity --\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Metadata\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e D449-V3AA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ZF Switches \u0026amp; Sensors\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e HK\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-che\/che-d449-v3aa.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number D449-V3AA for more detailed information.\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":"2025-08-07T02:12:24+05:30","created_at":"2025-08-07T02:12:24+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["Limit","SNAP","STD_IMG","Switch","WLDM","ZF"],"price":10810,"price_min":10810,"price_max":10810,"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":50556878684477,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"D449-V3AA","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"D449-V3AA","public_title":null,"options":["Default Title"],"price":10810,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"D449-V3AA","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_de854496-0145-47c4-9ade-a5ca949bbacc.jpg?v=1754512944"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_de854496-0145-47c4-9ade-a5ca949bbacc.jpg?v=1754512944","options":["Title"],"media":[{"alt":null,"id":45704120369469,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_de854496-0145-47c4-9ade-a5ca949bbacc.jpg?v=1754512944"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_de854496-0145-47c4-9ade-a5ca949bbacc.jpg?v=1754512944","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: ZF Switches \u0026amp; Sensors D449-V3AA - Switch Snap Action\u003c\/h3\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSwitch Snap Action\u003c\/strong\u003e from \u003cstrong\u003eZF Switches \u0026amp; Sensors\u003c\/strong\u003e, part number \u003cstrong\u003eD449-V3AA\u003c\/strong\u003e. This miniature limit switch is designed for reliable and precise operation in various industrial applications. Manufactured in Hong Kong, this switch complies with RoHS standards and features a compact, durable construction suitable for demanding environments.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMiniature D4 Series design with international and UL\/CSA approvals\u003c\/li\u003e\n \u003cli\u003eChoice of actuators and terminal types to suit diverse installation needs\u003c\/li\u003e\n \u003cli\u003eMultiple contact arrangements including SPDT configurations\u003c\/li\u003e\n \u003cli\u003eStandard or light operating force options for tailored performance\u003c\/li\u003e\n \u003cli\u003eLong life coil spring mechanism ensuring durability and reliability\u003c\/li\u003e\n \u003cli\u003eExtended life versions available, with VDE approval upon request\u003c\/li\u003e\n \u003cli\u003eStackable case and cover options for versatile mounting\u003c\/li\u003e\n \u003cli\u003ePCB footprint compatible with standard mounting practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Ratings \u0026amp; Contact Materials\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003cth\u003eContact Prefix Ratings\u003c\/th\u003e\n \u003cth\u003eMaterial\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eD40\u003c\/td\u003e\n \u003ctd\u003e1.0 amp, 125 VAC\u003c\/td\u003e\n \u003ctd\u003eGold Crosspoint\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD41\u003c\/td\u003e\n \u003ctd\u003e0.1 amp, 125\/250 VAC (UL+CUL)\u003c\/td\u003e\n \u003ctd\u003eContacts 0.25 amp, 30 VDC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD42\u003c\/td\u003e\n \u003ctd\u003e3 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD43\u003c\/td\u003e\n \u003ctd\u003e5 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD44\u003c\/td\u003e\n \u003ctd\u003e10 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD45\u003c\/td\u003e\n \u003ctd\u003e15 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD48\u003c\/td\u003e\n \u003ctd\u003e21 amp, 250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD49\u003c\/td\u003e\n \u003ctd\u003e10 amp, 125\/250 VAC\u003c\/td\u003e\n \u003ctd\u003eSilver Alloy\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperating Conditions \u0026amp; Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eTemperature Rating: -40°C to +85°C, with optional versions up to +150°C\u003c\/li\u003e\n \u003cli\u003eFlammability Rating: UL94V-0\u003c\/li\u003e\n \u003cli\u003eMounting recommended screw size: #4-40 round head with torque up to 3 inch lbs.\u003c\/li\u003e\n \u003cli\u003eTerminal options include offset and straight types, with various sizes and configurations\u003c\/li\u003e\n \u003cli\u003eActuator options include button, lever, roller, and custom types, with lengths from 0.865 inches to 2.757 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Type\u003c\/th\u003e\n \u003cth\u003eOperating Force Max. (gms.)\u003c\/th\u003e\n \u003cth\u003ePretravel (Inches \/ mm)\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\u003eActuator Length (Inches \/ mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eUS L-R1AA (Int’l. 9-V1AA)\u003c\/td\u003e\n \u003ctd\u003e15\u003c\/td\u003e\n \u003ctd\u003e0.047 \/ 1.19\u003c\/td\u003e\n \u003ctd\u003e0.558 \/ 14.17\u003c\/td\u003e\n \u003ctd\u003e0.050 \/ 1.27\u003c\/td\u003e\n \u003ctd\u003e0.010 \/ 0.250\u003c\/td\u003e\n \u003ctd\u003e—\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUS L-R1LA (Int’l. 9-V1LA)\u003c\/td\u003e\n \u003ctd\u003e15\u003c\/td\u003e\n \u003ctd\u003e0.062 \/ 1.57\u003c\/td\u003e\n \u003ctd\u003e0.580 \/ 14.73\u003c\/td\u003e\n \u003ctd\u003e0.050 \/ 1.27\u003c\/td\u003e\n \u003ctd\u003e0.016 \/ 0.406\u003c\/td\u003e\n \u003ctd\u003e1.400 \/ 35.56\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUS L-R1YD (Int’l. 9-V1YD)\u003c\/td\u003e\n \u003ctd\u003e8\u003c\/td\u003e\n \u003ctd\u003e0.125 \/ 3.18\u003c\/td\u003e\n \u003ctd\u003e0.555 \/ 14.10\u003c\/td\u003e\n \u003ctd\u003e0.085 \/ 2.16\u003c\/td\u003e\n \u003ctd\u003e0.030 \/ 0.760\u003c\/td\u003e\n \u003ctd\u003e1.400 \/ 35.56\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c!-- Additional rows omitted for brevity --\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Metadata\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e D449-V3AA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ZF Switches \u0026amp; Sensors\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e HK\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-che\/che-d449-v3aa.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number D449-V3AA for more detailed information.\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"}
