Introducing the YF211U2C203NQ Keylock Switch from LITTELFUSE / C&K COMPONENTS, a high-quality switch designed for secure and reliable operation in electronic applications. Manufactured in Vietnam, this switch features a durable construction suitable for use in various industrial and commercial devices.
This keylock switch features a DP (double pole) configuration with a 90° flat key, rated for 4A at 250VAC and 28VDC, making it suitable for applications requiring secure on/off control with keylocking functionality. The switch is RoHS compliant, ensuring environmentally friendly manufacturing standards.
Features & Benefits
Double pole (DP) configuration for versatile switching
90° flat key for easy operation and secure locking
Positive detent for reliable position feedback
Rated for 4A at 250VAC and 28VDC, suitable for low power applications
RoHS compliant for environmentally responsible design
Electrical Specifications
Electrical Life
10,000 make-and-break cycles at full load
Insulation Resistance
109 Ω min.
Dielectric Strength
1,000 Vrms min. @ sea level
Indexing
90º: 2 positions max.
Application Areas
Computer servers
Cash registers
Point-of-sale terminals
Materials & Terminations
Contact Material: Silver (RoHS compliant models with Q contact material)
Lock Type: 4 Tumbler, single bitted lock with detent
Mounting: With nut (N)
Terminations: Solder lug with hole (03), Wire lead (WC)
Dimensions & Mounting
Diameter
.592" (15.04 mm)
Mounting Nut
M12 x 1.25 6g THD (Included)
Panel Thickness
Up to .300" (7.62 mm)
Additional Information
Keying: Includes 2 nickel-plated brass keys, order code 960B10029
Lock finish options include stainless steel facing or gloss black facing
Switch installation is permanent; cannot be removed after assembly
For more detailed specifications and custom options, please refer to the datasheet.
Note: The datasheet was not processed; please search the internet for the part number YF211U2C203NQ for more details.
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{"id":10027969675581,"title":"YF211U2C203NQ","handle":"yf211u2c203nq","description":"\u003ch3\u003eYF211U2C203NQ Keylock Switches DP 90 Flat Key 4A 250VAC 28VDC\u003c\/h3\u003e\n\u003cp\u003eIntroducing the YF211U2C203NQ Keylock Switch from LITTELFUSE \/ C\u0026amp;K COMPONENTS, a high-quality switch designed for secure and reliable operation in electronic applications. Manufactured in Vietnam, this switch features a durable construction suitable for use in various industrial and commercial devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e YF211U2C203NQ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e VN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\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 TRAY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/ckswitches.com\/media\/1382\/yf.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis keylock switch features a DP (double pole) configuration with a 90° flat key, rated for 4A at 250VAC and 28VDC, making it suitable for applications requiring secure on\/off control with keylocking functionality. The switch is RoHS compliant, ensuring environmentally friendly manufacturing standards.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDouble pole (DP) configuration for versatile switching\u003c\/li\u003e\n\u003cli\u003e90° flat key for easy operation and secure locking\u003c\/li\u003e\n\u003cli\u003ePositive detent for reliable position feedback\u003c\/li\u003e\n\u003cli\u003eRated for 4A at 250VAC and 28VDC, suitable for low power applications\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally responsible design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e10,000 make-and-break cycles at full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e109 Ω min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e1,000 Vrms min. @ sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIndexing\u003c\/th\u003e\n\u003ctd\u003e90º: 2 positions max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComputer servers\u003c\/li\u003e\n\u003cli\u003eCash registers\u003c\/li\u003e\n\u003cli\u003ePoint-of-sale terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterials \u0026amp; Terminations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContact Material: Silver (RoHS compliant models with Q contact material)\u003c\/li\u003e\n\u003cli\u003eLock Type: 4 Tumbler, single bitted lock with detent\u003c\/li\u003e\n\u003cli\u003eMounting: With nut (N)\u003c\/li\u003e\n\u003cli\u003eTerminations: Solder lug with hole (03), Wire lead (WC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions \u0026amp; Mounting\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e.592\" (15.04 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Nut\u003c\/th\u003e\n\u003ctd\u003eM12 x 1.25 6g THD (Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePanel Thickness\u003c\/th\u003e\n\u003ctd\u003eUp to .300\" (7.62 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeying: Includes 2 nickel-plated brass keys, order code 960B10029\u003c\/li\u003e\n\u003cli\u003eLock finish options include stainless steel facing or gloss black facing\u003c\/li\u003e\n\u003cli\u003eSwitch installation is permanent; cannot be removed after assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1382\/yf.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number YF211U2C203NQ for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:21:55+05:30","created_at":"2025-08-16T05:21:55+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["250VAC","28VDC","4A","DP","IMPORT_CSV","IMPORT_PT2","Keylock","LITTE-CKCO","Switch","WLDM"],"price":204560,"price_min":204560,"price_max":204560,"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":50626371289405,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"YF211U2C203NQ","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"YF211U2C203NQ","public_title":null,"options":["Default Title"],"price":204560,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"YF211U2C203NQ","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/YF211U2C203NQ_11132914_54d5c09a.jpg?v=1755301918"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/YF211U2C203NQ_11132914_54d5c09a.jpg?v=1755301918","options":["Title"],"media":[{"alt":null,"id":45862599098685,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/YF211U2C203NQ_11132914_54d5c09a.jpg?v=1755301918"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/YF211U2C203NQ_11132914_54d5c09a.jpg?v=1755301918","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eYF211U2C203NQ Keylock Switches DP 90 Flat Key 4A 250VAC 28VDC\u003c\/h3\u003e\n\u003cp\u003eIntroducing the YF211U2C203NQ Keylock Switch from LITTELFUSE \/ C\u0026amp;K COMPONENTS, a high-quality switch designed for secure and reliable operation in electronic applications. Manufactured in Vietnam, this switch features a durable construction suitable for use in various industrial and commercial devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e YF211U2C203NQ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e VN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\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 TRAY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/ckswitches.com\/media\/1382\/yf.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis keylock switch features a DP (double pole) configuration with a 90° flat key, rated for 4A at 250VAC and 28VDC, making it suitable for applications requiring secure on\/off control with keylocking functionality. The switch is RoHS compliant, ensuring environmentally friendly manufacturing standards.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDouble pole (DP) configuration for versatile switching\u003c\/li\u003e\n\u003cli\u003e90° flat key for easy operation and secure locking\u003c\/li\u003e\n\u003cli\u003ePositive detent for reliable position feedback\u003c\/li\u003e\n\u003cli\u003eRated for 4A at 250VAC and 28VDC, suitable for low power applications\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally responsible design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Life\u003c\/th\u003e\n\u003ctd\u003e10,000 make-and-break cycles at full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e109 Ω min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003e1,000 Vrms min. @ sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIndexing\u003c\/th\u003e\n\u003ctd\u003e90º: 2 positions max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComputer servers\u003c\/li\u003e\n\u003cli\u003eCash registers\u003c\/li\u003e\n\u003cli\u003ePoint-of-sale terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterials \u0026amp; Terminations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContact Material: Silver (RoHS compliant models with Q contact material)\u003c\/li\u003e\n\u003cli\u003eLock Type: 4 Tumbler, single bitted lock with detent\u003c\/li\u003e\n\u003cli\u003eMounting: With nut (N)\u003c\/li\u003e\n\u003cli\u003eTerminations: Solder lug with hole (03), Wire lead (WC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions \u0026amp; Mounting\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e.592\" (15.04 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Nut\u003c\/th\u003e\n\u003ctd\u003eM12 x 1.25 6g THD (Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePanel Thickness\u003c\/th\u003e\n\u003ctd\u003eUp to .300\" (7.62 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeying: Includes 2 nickel-plated brass keys, order code 960B10029\u003c\/li\u003e\n\u003cli\u003eLock finish options include stainless steel facing or gloss black facing\u003c\/li\u003e\n\u003cli\u003eSwitch installation is permanent; cannot be removed after assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/ckswitches.com\/media\/1382\/yf.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number YF211U2C203NQ for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
