The MDH-21-R-BK Cartridge Fuse from EATON ELECTRONICS is a high-performance circuit protection device designed for reliable overcurrent and surge protection in various electrical applications. Manufactured in China (COO: CN), this fuse features a 21A current rating and a 600V AC voltage rating, making it suitable for primary circuit protection in lighting controls, surge protectors, and LED lighting systems.
Designed with high surge withstand capabilities, the MDH fuse can endure large surge events without opening, ensuring overvoltage devices operate as intended. Its high I²t rating allows for higher inrush currents without nuisance tripping, providing excellent short circuit protection while accommodating transient surge conditions.
Key Features and Benefits
High I²t capacity enables higher inrush currents without nuisance openings
Can withstand large surge events without opening, suitable for overvoltage conditions
600Vac rating in a compact ¼” diameter ferrule fuse for versatile application across multiple system voltages
UL248-14 compliant for safety and reliability
Available in ferrule and axial lead options
Halogen free, lead free, RoHS compliant for environmentally responsible use
Electrical Specifications
Ratings
Value
Voltage Rating DC
150 V
Voltage Rating AC
600 V
Current Rating
21 A
Interrupting Rating DC
200 A
Interrupting Rating AC
200 A
Agency Recognition
cURus Recognition file number: E19180
Vol 7PSE: JET 7042-31007-1001
Product Dimensions (mm)
No.
A
B
C
D
E
F
Size (mm)
31.75 ± 1.12
6.35 ± 0.3
32.72 ± 1.12
38.1 ± 3.15
6.985 ± 0.3
1.20 ± 0.05
Packaging Options
100 parts per carton (BK)
500 parts per roll (TR)
Additional Information
For detailed technical data, refer to the datasheet. This fuse is suitable for applications requiring high surge withstand capability and reliable circuit protection.
Note: The datasheet was not processed. Please search the internet for the part number MDH-21-R-BK for more details.
{"id":10026065461565,"title":"MDH-21-R-BK","handle":"mdh-21-r-bk","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMDH-21-R-BK\u003c\/strong\u003e Cartridge Fuse from \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e is a high-performance circuit protection device designed for reliable overcurrent and surge protection in various electrical applications. Manufactured in China (COO: CN), this fuse features a 21A current rating and a 600V AC voltage rating, making it suitable for primary circuit protection in lighting controls, surge protectors, and LED lighting systems.\u003c\/p\u003e\n\u003cp\u003eDesigned with high surge withstand capabilities, the MDH fuse can endure large surge events without opening, ensuring overvoltage devices operate as intended. Its high I²t rating allows for higher inrush currents without nuisance tripping, providing excellent short circuit protection while accommodating transient surge conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh I²t capacity enables higher inrush currents without nuisance openings\u003c\/li\u003e\n\u003cli\u003eCan withstand large surge events without opening, suitable for overvoltage conditions\u003c\/li\u003e\n\u003cli\u003e600Vac rating in a compact ¼” diameter ferrule fuse for versatile application across multiple system voltages\u003c\/li\u003e\n\u003cli\u003eUL248-14 compliant for safety and reliability\u003c\/li\u003e\n\u003cli\u003eAvailable in ferrule and axial lead options\u003c\/li\u003e\n\u003cli\u003eHalogen free, lead free, RoHS compliant for environmentally responsible use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRatings\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating DC\u003c\/td\u003e\n\u003ctd\u003e150 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating AC\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e21 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating DC\u003c\/td\u003e\n\u003ctd\u003e200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating AC\u003c\/td\u003e\n\u003ctd\u003e200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAgency Recognition\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ecURus Recognition file number: E19180\u003c\/li\u003e\n\u003cli\u003eVol 7PSE: JET 7042-31007-1001\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Dimensions (mm)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNo.\u003c\/th\u003e\n\u003cth\u003eA\u003c\/th\u003e\n\u003cth\u003eB\u003c\/th\u003e\n\u003cth\u003eC\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003cth\u003eE\u003c\/th\u003e\n\u003cth\u003eF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (mm)\u003c\/td\u003e\n\u003ctd\u003e31.75 ± 1.12\u003c\/td\u003e\n\u003ctd\u003e6.35 ± 0.3\u003c\/td\u003e\n\u003ctd\u003e32.72 ± 1.12\u003c\/td\u003e\n\u003ctd\u003e38.1 ± 3.15\u003c\/td\u003e\n\u003ctd\u003e6.985 ± 0.3\u003c\/td\u003e\n\u003ctd\u003e1.20 ± 0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100 parts per carton (BK)\u003c\/li\u003e\n\u003cli\u003e500 parts per roll (TR)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/product-aid\/eaton-mdh-high-surge-withstand-fuse-product-aid.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. This fuse is suitable for applications requiring high surge withstand capability and reliable circuit protection.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed. Please search the internet for the part number MDH-21-R-BK for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T00:41:16+05:30","created_at":"2025-08-15T00:41:17+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["21A","600V","Cartridge","Circuit","EATON-ELE","IMPORT_CSV","WLDM"],"price":75394,"price_min":75394,"price_max":75394,"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":50621165207869,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MDH-21-R-BK","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MDH-21-R-BK","public_title":null,"options":["Default Title"],"price":75394,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MDH-21-R-BK","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MDH-21-R-BK_49450572_56fb6395.jpg?v=1755198677"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MDH-21-R-BK_49450572_56fb6395.jpg?v=1755198677","options":["Title"],"media":[{"alt":null,"id":45843692552509,"position":1,"preview_image":{"aspect_ratio":1.015,"height":200,"width":203,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MDH-21-R-BK_49450572_56fb6395.jpg?v=1755198677"},"aspect_ratio":1.015,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MDH-21-R-BK_49450572_56fb6395.jpg?v=1755198677","width":203}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMDH-21-R-BK\u003c\/strong\u003e Cartridge Fuse from \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e is a high-performance circuit protection device designed for reliable overcurrent and surge protection in various electrical applications. Manufactured in China (COO: CN), this fuse features a 21A current rating and a 600V AC voltage rating, making it suitable for primary circuit protection in lighting controls, surge protectors, and LED lighting systems.\u003c\/p\u003e\n\u003cp\u003eDesigned with high surge withstand capabilities, the MDH fuse can endure large surge events without opening, ensuring overvoltage devices operate as intended. Its high I²t rating allows for higher inrush currents without nuisance tripping, providing excellent short circuit protection while accommodating transient surge conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh I²t capacity enables higher inrush currents without nuisance openings\u003c\/li\u003e\n\u003cli\u003eCan withstand large surge events without opening, suitable for overvoltage conditions\u003c\/li\u003e\n\u003cli\u003e600Vac rating in a compact ¼” diameter ferrule fuse for versatile application across multiple system voltages\u003c\/li\u003e\n\u003cli\u003eUL248-14 compliant for safety and reliability\u003c\/li\u003e\n\u003cli\u003eAvailable in ferrule and axial lead options\u003c\/li\u003e\n\u003cli\u003eHalogen free, lead free, RoHS compliant for environmentally responsible use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRatings\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating DC\u003c\/td\u003e\n\u003ctd\u003e150 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating AC\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e21 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating DC\u003c\/td\u003e\n\u003ctd\u003e200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating AC\u003c\/td\u003e\n\u003ctd\u003e200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAgency Recognition\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ecURus Recognition file number: E19180\u003c\/li\u003e\n\u003cli\u003eVol 7PSE: JET 7042-31007-1001\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Dimensions (mm)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNo.\u003c\/th\u003e\n\u003cth\u003eA\u003c\/th\u003e\n\u003cth\u003eB\u003c\/th\u003e\n\u003cth\u003eC\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003cth\u003eE\u003c\/th\u003e\n\u003cth\u003eF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (mm)\u003c\/td\u003e\n\u003ctd\u003e31.75 ± 1.12\u003c\/td\u003e\n\u003ctd\u003e6.35 ± 0.3\u003c\/td\u003e\n\u003ctd\u003e32.72 ± 1.12\u003c\/td\u003e\n\u003ctd\u003e38.1 ± 3.15\u003c\/td\u003e\n\u003ctd\u003e6.985 ± 0.3\u003c\/td\u003e\n\u003ctd\u003e1.20 ± 0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100 parts per carton (BK)\u003c\/li\u003e\n\u003cli\u003e500 parts per roll (TR)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/product-aid\/eaton-mdh-high-surge-withstand-fuse-product-aid.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. This fuse is suitable for applications requiring high surge withstand capability and reliable circuit protection.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed. Please search the internet for the part number MDH-21-R-BK for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
