Bussmann TPM Series Miniature ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$122.33
Bussmann TPM Series Miniature Telecommunication Fuse, Non-Indicating, Current-Limiting

Bussmann TPM Series Miniature Telecommunication Fuse, Non-Indicating, Current-Limiting

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Model: TPM-10

In Stock (leaves warehouse same day if ordered before 3pm ET)

$122.33
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Bussmann TPM Series Miniature Telecommunication Fuse, Non-Indicating, Current-Limiting

The Bussmann TPM series miniature telecommunication fuse from Eaton Bussmann delivers reliable overcurrent protection for low-voltage DC power circuits. Rated 80 Vdc with a 20 kAIC interrupt rating, this current-limiting, non-indicating fuse is built in a compact miniature body for space-constrained telecom and DC power equipment. As a full fuse platform, the TPM series is available across a wide range of amp ratings from 3A through 30A, giving electrical professionals a single, consistent fuse footprint to cover a broad span of circuit protection needs without changing mounting hardware or fuse holders.

Key Features

  • Voltage Rating: 80 Vdc, suited for telecommunications and low-voltage DC power distribution circuits.
  • Interrupt Rating: 20 kAIC current-limiting performance for dependable protection against high fault currents.
  • Current-Limiting Design: limits let-through current and energy during a fault, helping protect downstream conductors, connectors, and sensitive electronic equipment.
  • Amp Rating Range: available in 3A, 4A, 5A, 6A, 7A, 10A, 20A, 25A, and 30A ratings, so the same TPM platform can be matched to a wide variety of specific circuit load requirements.
  • Miniature Construction: compact body sized for space-constrained telecom cabinets, DC power plants, and equipment racks where board and enclosure space is limited.
  • Non-Indicating: standard non-indicating design without a blown-fuse indicator window, for straightforward installation in fuse blocks and holders sized for the TPM footprint.
  • Consistent Platform: a shared body size and mounting profile across the full amp rating range simplifies stocking, replacement, and maintenance for facilities running multiple circuit ratings.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Typical Applications

  • Telecommunications Equipment Power Circuits
  • Central Office and Data Center DC Power Distribution
  • Battery Backup and DC Power Plant Protection
  • Panelboard and Equipment Overcurrent Protection
  • Network and Server Room Power Racks
  • Commercial and Industrial Electrical Installations

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the TPM series combines current-limiting performance with a compact, miniature footprint built for demanding telecommunications and DC power applications. With a 20 kAIC interrupt rating and 80 Vdc rating shared across the full 3A through 30A lineup, the TPM series gives electrical professionals and telecom technicians a dependable, code-compliant option for protecting sensitive DC-powered equipment. Standardizing on the Bussmann TPM platform across an installation means fewer part numbers to manage while still matching the correct amp rating to each circuit, backed by the current-limiting, non-indicating construction electrical contractors rely on for consistent, repeatable performance in the field.

Manufacturer Resources

Product Specs

Department:
Electrical
Product Type:
Fuse
Series:
TPM
Voltage Rating:
80VDC
Product Group:
Fuses
Product Subgroup:
Other Fuses

Bussmann TPM-10 – Frequently Asked Questions

1) What amp ratings does the Bussmann TPM telecom fuse come in?
The TPM series runs 3A, 4A, 5A, 6A, 7A, 10A, 20A, 25A and 30A. Part numbers follow the amp rating directly, so TPM-3 through TPM-30. All nine share the same 80 Vdc rating and the same miniature body, so you can size each circuit to its load without changing fuse blocks or holders.
2) Can I use a Bussmann TPM fuse on a 120V AC circuit?
No. The TPM is an 80 Vdc rated fuse, built for low-voltage DC power circuits such as -48V telecom plants and battery backup distribution. It carries no AC rating, so it should not be applied to 120V AC branch circuits. For AC work you need a fuse rated for AC service at that voltage.
3) What does the 20 kAIC rating on the TPM fuse mean for my DC power plant?
It means the fuse can safely interrupt a fault current up to 20,000 amps at its rated voltage. A large battery string can deliver very high short-circuit current, so the available fault current at the fuse location has to sit at or below 20 kAIC. Being current-limiting, the TPM also cuts the let-through current and energy during that fault, which protects downstream conductors, connectors and the electronics they feed.
4) I need to replace a blown TPM fuse in a central office rack. How do I identify the right one?
Match the amp rating stamped on the old fuse to the matching part number: TPM-3, TPM-4, TPM-5, TPM-6, TPM-7, TPM-10, TPM-20, TPM-25 or TPM-30. Body size and mounting profile are the same across the whole range, so only the amp rating changes. Do not step up to a larger amp rating to stop nuisance operation, the rating is sized to the circuit conductors and load.
5) Does the TPM fuse have a blown-fuse indicator?
No, the TPM is the non-indicating version, with no indicator pin or window. If your maintenance routine relies on a visual blown-fuse flag in a telecom cabinet, this is not the part for that; you will be checking with a meter or pulling the fuse. The tradeoff is a straightforward fit into fuse blocks and holders sized for the TPM footprint.
6) Can I stock one TPM fuse holder for a facility running several different circuit ratings?
Yes. The TPM platform uses one shared body size and mounting profile across every amp rating from 3A to 30A, so a facility standardizing on TPM carries a single holder and block arrangement and only varies the fuse itself. That cuts the number of part numbers an MRO stockroom has to manage while still matching each circuit to the correct rating.
7) Where is a Bussmann TPM fuse typically used?
Telecom equipment power circuits, central office and data center DC power distribution, battery backup and DC power plant protection, panelboard and equipment overcurrent protection, and network or server room power racks. It suits space-constrained cabinets and racks where enclosure room is tight.
How fast can I get the Bussmann TPM-10 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 TPM-10 come with a warranty?
Absolutely. The Bussmann TPM-10 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 TPM-10?
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 TPM-10 from ZenSupply?
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