The OMRON D3V-21G2-1C4A is a high-reliability snap acting/limit switch designed for precise control applications. This SPDT (Single Pole Double Throw) switch features a momentary contact mechanism with self-cleaning contacts, ensuring consistent performance over prolonged use. Suitable for various industrial automation and electronic systems, it offers robust operation with a maximum current rating of 21A.
Maximum Operating Force: 1.23 N (125 gf) for standard models
Terminals:
Solder terminals
Quick-connect terminals (#187 and #250)
Mounting Hole Size: 3.1 mm (standard), with options for 2.9 mm (add "-K" to model)
RoHS Compliant: Yes
ECCN: EAR99
Additional Details:
Contact Rating
Maximum Operating Ratings
Contact Gap
Actuators
Contact Form
Force (OF)
21 A
0.5 mm (G gap)
Pin plunger
SPDT
1.23 N {125 gf}
16 A
1 mm (F gap)
Pin plunger
SPDT
1.96 N {200 gf}
11 A
1 mm (F gap)
Pin plunger
SPDT
1.96 N {200 gf}
6 A
1 mm (F gap)
Pin plunger
SPDT
0.98 N {100 gf}
0.1 A
1 mm (F gap)
Pin plunger
SPDT
0.49 N {50 gf}
Note:
For detailed specifications and application guidelines, please refer to the datasheet. If you cannot find a specific model, please search the internet with the part number for more details.
{"id":10024540406077,"title":"D3V-21G2-1C4A","handle":"d3v-21g2-1c4a","description":"\u003ch3\u003eOMRON ELECTRONIC COMPONENTS D3V-21G2-1C4A Limit Switch\u003c\/h3\u003e\n\n\u003cp\u003eThe OMRON D3V-21G2-1C4A is a high-reliability snap acting\/limit switch designed for precise control applications. This SPDT (Single Pole Double Throw) switch features a momentary contact mechanism with self-cleaning contacts, ensuring consistent performance over prolonged use. Suitable for various industrial automation and electronic systems, it offers robust operation with a maximum current rating of 21A.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eModel Number: D3V-21G2-1C4A\u003c\/li\u003e\n \u003cli\u003eManufacturer: OMRON ELECTRONIC COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Indonesia (ID)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant\u003c\/li\u003e\n \u003cli\u003eUOM: EA (Each)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePart Number: D3V-21G2-1C4A\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/OMRN\/OMRN-S-A0001309878\/OMRN-S-A0001309878-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eContact Rating: 21 A (at 250 VAC)\u003c\/li\u003e\n \u003cli\u003eContact Gap: 0.5 mm (G gap)\u003c\/li\u003e\n \u003cli\u003eActuator Options:\n \u003cul\u003e\n \u003cli\u003ePin plunger\u003c\/li\u003e\n \u003cli\u003eShort hinge lever\u003c\/li\u003e\n \u003cli\u003eHinge lever\u003c\/li\u003e\n \u003cli\u003eLong hinge lever\u003c\/li\u003e\n \u003cli\u003eSimulated roller lever\u003c\/li\u003e\n \u003cli\u003eShort hinge roller lever\u003c\/li\u003e\n \u003cli\u003eHinge roller lever\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/li\u003e\n \u003cli\u003eContact Form: SPDT (Single Pole Double Throw)\u003c\/li\u003e\n \u003cli\u003eMaximum Operating Force: 1.23 N (125 gf) for standard models\u003c\/li\u003e\n \u003cli\u003eTerminals:\n \u003cul\u003e\n \u003cli\u003eSolder terminals\u003c\/li\u003e\n \u003cli\u003eQuick-connect terminals (#187 and #250)\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/li\u003e\n \u003cli\u003eMounting Hole Size: 3.1 mm (standard), with options for 2.9 mm (add \"-K\" to model)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details:\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Rating\u003c\/th\u003e\n \u003cth\u003eMaximum Operating Ratings\u003c\/th\u003e\n \u003cth\u003eContact Gap\u003c\/th\u003e\n \u003cth\u003eActuators\u003c\/th\u003e\n \u003cth\u003eContact Form\u003c\/th\u003e\n \u003cth\u003eForce (OF)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e21 A\u003c\/td\u003e\n \u003ctd\u003e0.5 mm (G gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e1.23 N {125 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e16 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e1.96 N {200 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e11 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e1.96 N {200 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e6 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e0.98 N {100 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e0.1 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e0.49 N {50 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNote:\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/OMRN\/OMRN-S-A0001309878\/OMRN-S-A0001309878-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If you cannot find a specific model, please search the internet with the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T07:54:14+05:30","created_at":"2025-08-14T07:54:14+05:30","vendor":"Waldom Electonics","type":"","tags":["21A","IMPORT_CSV","OMRON-ELE","SPDT","Switch","WLDM"],"price":34371,"price_min":34371,"price_max":34371,"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":50618583155005,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"D3V-21G2-1C4A","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"D3V-21G2-1C4A","public_title":null,"options":["Default Title"],"price":34371,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"D3V-21G2-1C4A","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/49232870.jpg?v=1755138256"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49232870.jpg?v=1755138256","options":["Title"],"media":[{"alt":null,"id":45829759631677,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49232870.jpg?v=1755138256"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49232870.jpg?v=1755138256","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eOMRON ELECTRONIC COMPONENTS D3V-21G2-1C4A Limit Switch\u003c\/h3\u003e\n\n\u003cp\u003eThe OMRON D3V-21G2-1C4A is a high-reliability snap acting\/limit switch designed for precise control applications. This SPDT (Single Pole Double Throw) switch features a momentary contact mechanism with self-cleaning contacts, ensuring consistent performance over prolonged use. Suitable for various industrial automation and electronic systems, it offers robust operation with a maximum current rating of 21A.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eModel Number: D3V-21G2-1C4A\u003c\/li\u003e\n \u003cli\u003eManufacturer: OMRON ELECTRONIC COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Indonesia (ID)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant\u003c\/li\u003e\n \u003cli\u003eUOM: EA (Each)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePart Number: D3V-21G2-1C4A\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/OMRN\/OMRN-S-A0001309878\/OMRN-S-A0001309878-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eContact Rating: 21 A (at 250 VAC)\u003c\/li\u003e\n \u003cli\u003eContact Gap: 0.5 mm (G gap)\u003c\/li\u003e\n \u003cli\u003eActuator Options:\n \u003cul\u003e\n \u003cli\u003ePin plunger\u003c\/li\u003e\n \u003cli\u003eShort hinge lever\u003c\/li\u003e\n \u003cli\u003eHinge lever\u003c\/li\u003e\n \u003cli\u003eLong hinge lever\u003c\/li\u003e\n \u003cli\u003eSimulated roller lever\u003c\/li\u003e\n \u003cli\u003eShort hinge roller lever\u003c\/li\u003e\n \u003cli\u003eHinge roller lever\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/li\u003e\n \u003cli\u003eContact Form: SPDT (Single Pole Double Throw)\u003c\/li\u003e\n \u003cli\u003eMaximum Operating Force: 1.23 N (125 gf) for standard models\u003c\/li\u003e\n \u003cli\u003eTerminals:\n \u003cul\u003e\n \u003cli\u003eSolder terminals\u003c\/li\u003e\n \u003cli\u003eQuick-connect terminals (#187 and #250)\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/li\u003e\n \u003cli\u003eMounting Hole Size: 3.1 mm (standard), with options for 2.9 mm (add \"-K\" to model)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details:\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Rating\u003c\/th\u003e\n \u003cth\u003eMaximum Operating Ratings\u003c\/th\u003e\n \u003cth\u003eContact Gap\u003c\/th\u003e\n \u003cth\u003eActuators\u003c\/th\u003e\n \u003cth\u003eContact Form\u003c\/th\u003e\n \u003cth\u003eForce (OF)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e21 A\u003c\/td\u003e\n \u003ctd\u003e0.5 mm (G gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e1.23 N {125 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e16 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e1.96 N {200 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e11 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e1.96 N {200 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e6 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e0.98 N {100 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e0.1 A\u003c\/td\u003e\n \u003ctd\u003e1 mm (F gap)\u003c\/td\u003e\n \u003ctd\u003ePin plunger\u003c\/td\u003e\n \u003ctd\u003eSPDT\u003c\/td\u003e\n \u003ctd\u003e0.49 N {50 gf}\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNote:\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/OMRN\/OMRN-S-A0001309878\/OMRN-S-A0001309878-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If you cannot find a specific model, please search the internet with the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
