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Eaton Bussmann

Bussmann 170M1421 Fuse

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$36.97

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Expected to arrive within 2–15 days

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Bussmann
Model Number	170M1421
Product Category	High-Speed Square Body Fuse
Product Series	170M
Fuse Type	DIN 43653 Square Body
Voltage Rating	690 VAC (IEC) / 700 VAC (UL)
Amperage Rating	250 A
Interrupting Rating	200 kAIC
Operating Class	aR
Fuse Size	DIN 000
Mounting Type	Bolt Down
Application	Semiconductor, DC Common Bus, DC Drives, Power Converters/Rectifiers

Key Features

High-Speed Current Limiting

Limits fault current rapidly to protect sensitive power semiconductors.

200 kAIC Rating

High interrupting capacity for industrial electrical systems.

aR Protection Class

Semiconductor-grade fuse performance for rectifier and converter circuits.

DIN 43653 Square Body

Standardized square body dimensions with bolt-down terminals.

690 VAC / 700 VAC

Rated for use in both IEC and UL applications.

DC and Drive Applications

Well suited for DC common bus, DC drives, and reduced voltage starters.

Applications

Semiconductor fuse protection in AC drives
DC common bus systems
DC motor drives
Rectifier and converter equipment
Reduced voltage starters
Industrial power supplies
UPS and DC distribution
Electroplating and DC process rectifiers

Purchase Information

We support online purchase of the Bussmann 170M1421 High-Speed Square Body Fuse. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.

Frequently Asked Questions

What is the Bussmann 170M1421? A 170M series high-speed square body fuse for semiconductor protection.

What is its voltage rating? 690 VAC (IEC) / 700 VAC (UL).

What amperage is the 170M1421 rated for? The manufacturer specification lists 250 A.

What is the interrupting capacity? 200 kAIC.

What is the operating class? Class aR.

What size is the fuse? DIN 000.

What mounting method is used? Bolt-down square body mounting.

What are its typical applications? DC drives, rectifiers, power converters, and common bus protection.

Is it suitable for semiconductor protection? Yes, it is designed for that purpose.

What should be checked before buying? Check system voltage, load current, prospective fault current, fuse size, and mounting compatibility.

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