The Part Number: 50KMT90-01-1-02N Manufacturer: GRAYHILL Country of Origin: US Unit of Measure: EA ECCN: EAR99 Package Type: Not specified Datasheet:Download Datasheet
Product Features
Single deck rotary switch with 0.5" diameter, suitable for panel mounting
Up to 4 poles per switch with up to 16 positions per switch
Choice of angles of throw: 22.5°, 30°, 36°, 45°, 60°, and 90°
Available with solder lug or PC mount terminals
Positive shaft grounding for EMI/RFI shielding
Optional complete seal for PCB assembly and cleaning
Designed for military qualification with MIL‑S‑3786/20 and MIL‑S‑3786/35 standards
Electrical and Mechanical Specifications
Contact Type and Force: Shorting or non‑shorting wiping contacts with over 80 grams of contact force
Contact Resistance: Max 20 milliohms (initial 10 milliohms)
Life Expectancy: 25,000 cycles at specified loads; 70,000 feet altitude conditions for some ratings
Voltage Breakdown: Minimum 600 Vac between insulated parts
Terminals: Brass, gold‑plated over silver plate and nickel plate
Rotor Contact: Precious metal alloy, gold‑plated
Dimensions
Dimension
Series 50
Series 51
D
.500 ± .015 (12.70 ± 0.38)
.562 ± .015 (14.27 ± 0.38)
B (for 30°, 36°, 45°, 60°, 90°)
.658 ± .015 (16.71 ± 0.38)
N/A
C (for 30°, 36°, 45°, 60°, 90°)
.234 ± .015 (5.94 ± 0.38)
N/A
E (for 22.5°)
.153 ± .015 (3.89 ± 0.38)
N/A
Available Options and Configurations
Standard, screwdriver slot, metric, or military styles
Number of poles: 1 or 2
Number of positions per pole: 2 to 10 (standard), 2 to 5 (military)
Angles of throw: 22.5°, 30°, 36°, 45°, 60°, 90°
Terminals: Solder lug or PC mount
Shorting or non‑shorting contacts
Note
For detailed specifications, options, and ordering information, please refer to the datasheet. Datasheet was not processed please search the internet for the part number for more details.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Shopping Cart
{"id":10028217991485,"title":"50KMT90-01-1-02N","handle":"50kmt90-01-1-02n","description":"\u003ch3\u003eGRAYHILL 50KMT90-01-1-02N Rotary Switch\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePart Number:\u003c\/strong\u003e 50KMT90-01-1-02N\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e GRAYHILL\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\u003cbr\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003cbr\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-50kmt90-01-1-02n.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSingle deck rotary switch with 0.5\" diameter, suitable for panel mounting\u003c\/li\u003e\n\u003cli\u003eUp to 4 poles per switch with up to 16 positions per switch\u003c\/li\u003e\n\u003cli\u003eChoice of angles of throw: 22.5°, 30°, 36°, 45°, 60°, and 90°\u003c\/li\u003e\n\u003cli\u003eAvailable with solder lug or PC mount terminals\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\u003c\/li\u003e\n\u003cli\u003eDesigned for military qualification with MIL‑S‑3786\/20 and MIL‑S‑3786\/35 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContact Type and Force: Shorting or non‑shorting wiping contacts with over 80 grams of contact force\u003c\/li\u003e\n\u003cli\u003eContact Resistance: Max 20 milliohms (initial 10 milliohms)\u003c\/li\u003e\n\u003cli\u003eLife Expectancy: 25,000 cycles at specified loads; 70,000 feet altitude conditions for some ratings\u003c\/li\u003e\n\u003cli\u003eVoltage Breakdown: Minimum 600 Vac between insulated parts\u003c\/li\u003e\n\u003cli\u003eInsulation Resistance: Minimum 1,000 Mohms\u003c\/li\u003e\n\u003cli\u003ePanel Seal: Silicone rubber; Shaft Seal: Fluorosilicone\u003c\/li\u003e\n\u003cli\u003eMaximum Mounting Torque: 15 in-lbs\u003c\/li\u003e\n\u003cli\u003eStop Strength: Minimum 7.5 pound-inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterials and 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\u003eDetent and Contact Springs: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eCommon Ring: Brass, gold‑plated over silver\u003c\/li\u003e\n\u003cli\u003eTerminals: Brass, gold‑plated over silver plate and nickel plate\u003c\/li\u003e\n\u003cli\u003eRotor Contact: Precious metal alloy, gold‑plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\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 (12.70 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003e.562 ± .015 (14.27 ± 0.38)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB (for 30°, 36°, 45°, 60°, 90°)\u003c\/td\u003e\n\u003ctd\u003e.658 ± .015 (16.71 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC (for 30°, 36°, 45°, 60°, 90°)\u003c\/td\u003e\n\u003ctd\u003e.234 ± .015 (5.94 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE (for 22.5°)\u003c\/td\u003e\n\u003ctd\u003e.153 ± .015 (3.89 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options and Configurations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard, screwdriver slot, metric, or military styles\u003c\/li\u003e\n\u003cli\u003eNumber of poles: 1 or 2\u003c\/li\u003e\n\u003cli\u003eNumber of positions per pole: 2 to 10 (standard), 2 to 5 (military)\u003c\/li\u003e\n\u003cli\u003eAngles of throw: 22.5°, 30°, 36°, 45°, 60°, 90°\u003c\/li\u003e\n\u003cli\u003eTerminals: Solder lug or PC mount\u003c\/li\u003e\n\u003cli\u003eShorting or non‑shorting contacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, options, and ordering information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-50kmt90-01-1-02n.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":"2025-08-16T08:10:10+05:30","created_at":"2025-08-16T08:10:10+05:30","vendor":"Waldom Electonics","type":"","tags":["GRAYH","IMPORT_CSV","IMPORT_PT2","Switch","WLDM"],"price":494077,"price_min":494077,"price_max":494077,"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":50626941485373,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"50KMT90-01-1-02N","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"50KMT90-01-1-02N","public_title":null,"options":["Default Title"],"price":494077,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"50KMT90-01-1-02N","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/50KMT90-01-1-02N_Series_2050_7543f2dd.jpg?v=1755312013"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50KMT90-01-1-02N_Series_2050_7543f2dd.jpg?v=1755312013","options":["Title"],"media":[{"alt":null,"id":45865328279869,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50KMT90-01-1-02N_Series_2050_7543f2dd.jpg?v=1755312013"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50KMT90-01-1-02N_Series_2050_7543f2dd.jpg?v=1755312013","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eGRAYHILL 50KMT90-01-1-02N Rotary Switch\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePart Number:\u003c\/strong\u003e 50KMT90-01-1-02N\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e GRAYHILL\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\u003cbr\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003cbr\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-50kmt90-01-1-02n.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSingle deck rotary switch with 0.5\" diameter, suitable for panel mounting\u003c\/li\u003e\n\u003cli\u003eUp to 4 poles per switch with up to 16 positions per switch\u003c\/li\u003e\n\u003cli\u003eChoice of angles of throw: 22.5°, 30°, 36°, 45°, 60°, and 90°\u003c\/li\u003e\n\u003cli\u003eAvailable with solder lug or PC mount terminals\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\u003c\/li\u003e\n\u003cli\u003eDesigned for military qualification with MIL‑S‑3786\/20 and MIL‑S‑3786\/35 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContact Type and Force: Shorting or non‑shorting wiping contacts with over 80 grams of contact force\u003c\/li\u003e\n\u003cli\u003eContact Resistance: Max 20 milliohms (initial 10 milliohms)\u003c\/li\u003e\n\u003cli\u003eLife Expectancy: 25,000 cycles at specified loads; 70,000 feet altitude conditions for some ratings\u003c\/li\u003e\n\u003cli\u003eVoltage Breakdown: Minimum 600 Vac between insulated parts\u003c\/li\u003e\n\u003cli\u003eInsulation Resistance: Minimum 1,000 Mohms\u003c\/li\u003e\n\u003cli\u003ePanel Seal: Silicone rubber; Shaft Seal: Fluorosilicone\u003c\/li\u003e\n\u003cli\u003eMaximum Mounting Torque: 15 in-lbs\u003c\/li\u003e\n\u003cli\u003eStop Strength: Minimum 7.5 pound-inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterials and 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\u003eDetent and Contact Springs: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eCommon Ring: Brass, gold‑plated over silver\u003c\/li\u003e\n\u003cli\u003eTerminals: Brass, gold‑plated over silver plate and nickel plate\u003c\/li\u003e\n\u003cli\u003eRotor Contact: Precious metal alloy, gold‑plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\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 (12.70 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003e.562 ± .015 (14.27 ± 0.38)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB (for 30°, 36°, 45°, 60°, 90°)\u003c\/td\u003e\n\u003ctd\u003e.658 ± .015 (16.71 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC (for 30°, 36°, 45°, 60°, 90°)\u003c\/td\u003e\n\u003ctd\u003e.234 ± .015 (5.94 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE (for 22.5°)\u003c\/td\u003e\n\u003ctd\u003e.153 ± .015 (3.89 ± 0.38)\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options and Configurations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard, screwdriver slot, metric, or military styles\u003c\/li\u003e\n\u003cli\u003eNumber of poles: 1 or 2\u003c\/li\u003e\n\u003cli\u003eNumber of positions per pole: 2 to 10 (standard), 2 to 5 (military)\u003c\/li\u003e\n\u003cli\u003eAngles of throw: 22.5°, 30°, 36°, 45°, 60°, 90°\u003c\/li\u003e\n\u003cli\u003eTerminals: Solder lug or PC mount\u003c\/li\u003e\n\u003cli\u003eShorting or non‑shorting contacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, options, and ordering information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-50kmt90-01-1-02n.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"}