Bussmann 74B-3 Type 74 Cylindr...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$476.20
Bussmann 74B-3 Type 74 Cylindrical Telecom Fuse, 60Vdc 3A Fast-Acting

Bussmann 74B-3 Type 74 Cylindrical Telecom Fuse, 60Vdc 3A Fast-Acting

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Model: 74B-3
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$476.20
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Bussmann 74B-3 Type 74 Cylindrical Telecom Fuse, 60Vdc 3A Fast-Acting

The Bussmann 74B-3 is an Eaton Bussmann series Type 74 telecommunication fuse engineered for reliable circuit protection in low-voltage DC telecom equipment. This cylindrical, fast-acting fuse is rated 60 Vdc at 3A, providing quick response to overcurrent conditions to help safeguard sensitive telecommunications circuitry and connected equipment. It is a non-indicating design and carries CE marking for use in compliant electrical systems, making it a straightforward like-for-like replacement in existing telecom fuse holders.

Key Features

  • Compact Cylindrical Body: Measures 2.4 in in height, 1.62 in in length/depth, and .42 in in width, sized for standard telecommunication fuse holders and mounting hardware.
  • Fast-Acting Response: Type 74 fast-acting design opens quickly under fault conditions to help protect downstream telecom equipment from damaging overcurrent events.
  • 60 Vdc, 3A Rating: Matched to low-voltage DC telecommunication circuits requiring precise, dependable overcurrent protection.
  • Non-Indicating Construction: Standard non-indicating fuse body for straightforward installation, testing, and replacement without added indicator hardware.
  • Eaton Bussmann Series Type 74: Part of the established Bussmann Type 74 telecommunication fuse family, engineered specifically for telecom-grade circuit protection.
  • Lightweight Design: Weighs approximately .5 lb, consistent with a compact cylindrical telecom fuse footprint.
  • Standard Packaging: Supplied in standard packaging for stocking, distribution, and replacement use by electrical and telecom professionals.

Certifications & Compliance

  • CE Marked

Technical Specifications

  • Amperage Rating: 3 A
  • Compliances: CE Marked
  • Fuse Indicator: Non-indicating
  • Packaging Type: Standard
  • Product Height: 2.4 in
  • Product Length Depth: 1.62 in
  • Product Weight: .5 lb
  • Product Width: .42 in
  • Voltage Rating: 60 V DC

Typical Applications

  • Telecommunications Equipment Protection
  • Low-Voltage DC Circuit Protection
  • Network and Communications Wiring
  • Central Office and Telecom Panel Equipment
  • Replacement Fuse for Eaton Bussmann Type 74 Applications

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the Type 74 series is purpose-built for telecommunication applications where reliable, fast-acting fuse performance matters. With its CE marking and 60 Vdc, 3A rating, the 74B-3 delivers dependable, code-compliant overcurrent protection for professional telecom installations. Its compact cylindrical construction and non-indicating design make it a practical, drop-in choice for maintaining and upgrading telecommunication fuse protection.

Manufacturer Resources

Product Specs

Amperage Rating:
3 A
Compliances:
CE Marked
Fuse Indicator:
Non-indicating
Packaging Type:
Standard
Product Height:
2.4 in
Product Length Depth:
1.62 in
Product Weight:
.5 lb
Product Width:
.42 in
Special Features:
Cylindrical
Voltage Rating:
60 V DC
Department:
Electrical
Product Type:
Fuse
Product Group:
Fuses
Product Subgroup:
Other Fuses

Bussmann 74B-3 – Frequently Asked Questions

1) Is the Bussmann 74B-3 a fast-acting or time-delay fuse?
Fast-acting. The Type 74 element opens quickly on overcurrent rather than riding through an inrush surge, which is what you want ahead of sensitive telecom electronics. If your load has a significant startup inrush, a fast-acting fuse at 3A will nuisance-open and you want a time-delay type instead.
2) What size is the Bussmann 74B-3 fuse body, and will it drop into my existing Type 74 holder?
The cylindrical body measures 2.4 x 1.62 x .42 in, sized for standard telecommunication fuse holders and mounting hardware. In a holder already carrying an Eaton Bussmann Type 74 fuse it is a like-for-like replacement; match the amp and voltage rating on the fuse you pull out before swapping.
3) Does the 74B-3 telecom fuse have a blown-fuse indicator?
No. The 74B-3 is a non-indicating design, so there is no pop-out pin or flag to show it has opened. On a panel where you need visual fault identification at a glance, you need an indicating version of the Type 74 instead; otherwise plan on metering or pulling the fuse to test it.
4) Is the Bussmann 74B-3 CE marked for a European or CE-compliant telecom install?
Yes, the 74B-3 carries CE marking, which is the compliance mark stated for this Type 74 fuse. That is the only listing mark on record for it, so specify accordingly if your job also calls for a separate agency listing.
5) What part number do I order for the 3 amp Type 74 telecom fuse?
The manufacturer part number is 74B-3, an Eaton Bussmann series Type 74 cylindrical telecom fuse at 3A, 60 V DC, fast-acting and non-indicating. The B-3 suffix is what identifies the 3 amp rating within the family, so confirm the amperage stamped on the fuse you are replacing before ordering.
6) Where is a Type 74 telecom fuse like the 74B-3 typically used?
Central office and telecom panel equipment, network and communications wiring, and general low-voltage DC circuit protection. It is a stocking item for MRO and telecom techs maintaining existing Eaton Bussmann Type 74 protection, and the .5 lb weight makes it easy to carry spares in a truck kit.
How fast can I get the Bussmann 74B-3 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann 74B-3 come with a warranty?
Absolutely. The Bussmann 74B-3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann 74B-3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Bussmann 74B-3 from ZenSupply?
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