Introducing the Grayhill Series 51 Rotary Switch, a high-precision single deck rotary switch designed for reliable performance in demanding applications. Manufactured in the USA, this switch offers versatile configurations, military qualification, and robust construction to meet your specific needs.
Adjustable stops for configurable positions per pole
Various shaft styles including 1/8", 1/4", Metric 4mm, and Military options
Sealed versions with panel seal and process sealing for PCB assembly
Note
For detailed circuit diagrams, dimensional drawings, and additional specifications, please refer to the datasheet. Datasheet was not processed, please search the internet for the part number for more details.
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{"id":10025156313405,"title":"51MPT30-01-1-04N","handle":"51mpt30-01-1-04n","description":"\u003ch3\u003eGRAYHILL Rotary Switches 51MPT30-01-1-04N\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Grayhill Series 51 Rotary Switch, a high-precision single deck rotary switch designed for reliable performance in demanding applications. Manufactured in the USA, this switch offers versatile configurations, military qualification, and robust construction to meet your specific needs.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 51MPT30-01-1-04N\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e GRAYHILL\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\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 Process Sealed\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-51mpt30-01-1-04n.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e0.5\" diameter compact design with 22.5°, 30°, 36°, 45°, 60°, and 90° throw angles\u003c\/li\u003e\n \u003cli\u003eUp to 4 poles and 16 positions per switch for flexible circuit configurations\u003c\/li\u003e\n \u003cli\u003eAvailable with PC or solder lug terminals for versatile mounting options\u003c\/li\u003e\n \u003cli\u003ePositive shaft grounding for EMI\/RFI shielding\u003c\/li\u003e\n \u003cli\u003eOptional complete seal for PCB assembly and cleaning, suitable for wave soldering\u003c\/li\u003e\n \u003cli\u003eMilitary qualified versions available, compliant with MIL-S-3786\/20 and MIL-S-3786\/35 standards\u003c\/li\u003e\n \u003cli\u003eDurable materials including stainless steel shaft and nickel-plated detent balls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLife Expectancy\u003c\/td\u003e\n \u003ctd\u003e25,000 cycles at specified loads and conditions\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003eMaximum 20 milliohms (initial 10 milliohms)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003eMinimum 1,000 Mohms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVoltage Breakdown\u003c\/td\u003e\n \u003ctd\u003eMinimum 600 Vac\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Force\u003c\/td\u003e\n \u003ctd\u003eOver 80 grams\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStop Strength\u003c\/td\u003e\n \u003ctd\u003eMinimum 7.5 pound-inches\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRotational Torque\u003c\/td\u003e\n \u003ctd\u003e8–24 oz-in\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials \u0026amp; Finishes\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSwitch Base: Thermoset\u003c\/li\u003e\n \u003cli\u003eDetent Rotor: Nylon\u003c\/li\u003e\n \u003cli\u003eShaft, Stop Blades, Stop Arm, Thrust Washer, Retaining Ring: Stainless Steel\u003c\/li\u003e\n \u003cli\u003eDetent Balls: Steel, Nickel-Plated\u003c\/li\u003e\n \u003cli\u003eBushing: Zinc, Tin-Zinc Plated\u003c\/li\u003e\n \u003cli\u003eTerminals: Brass, Gold-Plated over Silver Plate\u003c\/li\u003e\n \u003cli\u003eCommon Ring: Brass, Gold-Plated over Silver Plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions (in inches)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eSeries 50\u003c\/th\u003e\n \u003cth\u003eSeries 51\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD\u003c\/td\u003e\n \u003ctd\u003e.500 ± .015\u003c\/td\u003e\n \u003ctd\u003e.562 ± .015\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB (Style T)\u003c\/td\u003e\n \u003ctd\u003e.576 ± .015\u003c\/td\u003e\n \u003ctd\u003e.537 ± .015\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Options \u0026amp; Accessories\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAdjustable stops for configurable positions per pole\u003c\/li\u003e\n \u003cli\u003eVarious shaft styles including 1\/8\", 1\/4\", Metric 4mm, and Military options\u003c\/li\u003e\n \u003cli\u003eSealed versions with panel seal and process sealing for PCB assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eFor detailed circuit diagrams, dimensional drawings, and additional specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-51mpt30-01-1-04n.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T17:04:34+05:30","created_at":"2025-08-14T17:04:34+05:30","vendor":"Waldom Electonics","type":"","tags":["GRAYH","IMPORT_CSV","Switch","WLDM"],"price":568085,"price_min":568085,"price_max":568085,"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":50619579531581,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"51MPT30-01-1-04N","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"51MPT30-01-1-04N","public_title":null,"options":["Default Title"],"price":568085,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"51MPT30-01-1-04N","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/51MPT30-01-1-04N_Series_2050_7543f2dd.jpg?v=1755171277"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/51MPT30-01-1-04N_Series_2050_7543f2dd.jpg?v=1755171277","options":["Title"],"media":[{"alt":null,"id":45837181747517,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/51MPT30-01-1-04N_Series_2050_7543f2dd.jpg?v=1755171277"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/51MPT30-01-1-04N_Series_2050_7543f2dd.jpg?v=1755171277","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eGRAYHILL Rotary Switches 51MPT30-01-1-04N\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Grayhill Series 51 Rotary Switch, a high-precision single deck rotary switch designed for reliable performance in demanding applications. Manufactured in the USA, this switch offers versatile configurations, military qualification, and robust construction to meet your specific needs.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 51MPT30-01-1-04N\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e GRAYHILL\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\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 Process Sealed\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-51mpt30-01-1-04n.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e0.5\" diameter compact design with 22.5°, 30°, 36°, 45°, 60°, and 90° throw angles\u003c\/li\u003e\n \u003cli\u003eUp to 4 poles and 16 positions per switch for flexible circuit configurations\u003c\/li\u003e\n \u003cli\u003eAvailable with PC or solder lug terminals for versatile mounting options\u003c\/li\u003e\n \u003cli\u003ePositive shaft grounding for EMI\/RFI shielding\u003c\/li\u003e\n \u003cli\u003eOptional complete seal for PCB assembly and cleaning, suitable for wave soldering\u003c\/li\u003e\n \u003cli\u003eMilitary qualified versions available, compliant with MIL-S-3786\/20 and MIL-S-3786\/35 standards\u003c\/li\u003e\n \u003cli\u003eDurable materials including stainless steel shaft and nickel-plated detent balls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLife Expectancy\u003c\/td\u003e\n \u003ctd\u003e25,000 cycles at specified loads and conditions\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003eMaximum 20 milliohms (initial 10 milliohms)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003eMinimum 1,000 Mohms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVoltage Breakdown\u003c\/td\u003e\n \u003ctd\u003eMinimum 600 Vac\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Force\u003c\/td\u003e\n \u003ctd\u003eOver 80 grams\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStop Strength\u003c\/td\u003e\n \u003ctd\u003eMinimum 7.5 pound-inches\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRotational Torque\u003c\/td\u003e\n \u003ctd\u003e8–24 oz-in\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials \u0026amp; Finishes\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSwitch Base: Thermoset\u003c\/li\u003e\n \u003cli\u003eDetent Rotor: Nylon\u003c\/li\u003e\n \u003cli\u003eShaft, Stop Blades, Stop Arm, Thrust Washer, Retaining Ring: Stainless Steel\u003c\/li\u003e\n \u003cli\u003eDetent Balls: Steel, Nickel-Plated\u003c\/li\u003e\n \u003cli\u003eBushing: Zinc, Tin-Zinc Plated\u003c\/li\u003e\n \u003cli\u003eTerminals: Brass, Gold-Plated over Silver Plate\u003c\/li\u003e\n \u003cli\u003eCommon Ring: Brass, Gold-Plated over Silver Plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions (in inches)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eSeries 50\u003c\/th\u003e\n \u003cth\u003eSeries 51\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD\u003c\/td\u003e\n \u003ctd\u003e.500 ± .015\u003c\/td\u003e\n \u003ctd\u003e.562 ± .015\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB (Style T)\u003c\/td\u003e\n \u003ctd\u003e.576 ± .015\u003c\/td\u003e\n \u003ctd\u003e.537 ± .015\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Options \u0026amp; Accessories\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAdjustable stops for configurable positions per pole\u003c\/li\u003e\n \u003cli\u003eVarious shaft styles including 1\/8\", 1\/4\", Metric 4mm, and Military options\u003c\/li\u003e\n \u003cli\u003eSealed versions with panel seal and process sealing for PCB assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eFor detailed circuit diagrams, dimensional drawings, and additional specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-51mpt30-01-1-04n.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
