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FNM-2-1/2 Eaton Bussmann FNM-2-1/2 is a 2.5A, 250VAC slow-blow cartridge fuse in a 5AG (10mm x 38mm) package. It requires a holder for mounting and is approved by CE, CSA, and UL.
Mfr Part #:

FNM-2-1/2

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
Eaton Bussmann FNM-2-1/2 is a 2.5A, 250VAC slow-blow cartridge fuse in a 5AG (10mm x 38mm) package. It requires a holder for mounting and is approved by CE, CSA, and UL.
✓ Total Stock: 159 pcs
$ Price Range: $31.43 - $46.66

FNM-2-1/2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
159 pcs
On Request
159 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

FNM-2-1/2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Breaking Capacity @ Rated Voltage
Current Rating (Amps)
Fuse Type
Mounting Type
Response Time
Tape & Reel
Voltage Rating
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FNM-2-1/2 Description

Short technical summary and product information.

The Eaton Bussmann FNM-2-1/2 is a 2.5 ampere, 250 volt AC cartridge fuse designed for overcurrent protection in industrial and commercial applications. It features a slow-blow (time-delay) response characteristic, making it suitable for circuits with high inrush currents such as motors and transformers.

 

The fuse is housed in a standard 5AG package measuring 0.406 inches in diameter by 1.500 inches in length (10.30mm x 38.10mm). It requires a separate fuse holder for installation. The FNM-2-1/2 carries approvals from CE, CSA, and UL, indicating compliance with international safety standards.

FNM-2-1/2 Quick Information

Product Type: Cartridge Fuse
Canonical Name: Eaton Bussmann FNM-2-1/2 2.5A 250VAC Slow-Blow Cartridge Fuse
Subcategory: Slow-Blow / Time-Delay Fuse

FNM-2-1/2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

FNM-2-1/2 Estimated Pricing

Qty Low High
1+ $46.66 $46.66
5+ $31.43 $31.43

Estimated market price range - modelled values for guidance only, not live distributor offers.

FNM-2-1/2 Features

  • Rated for 2.5A at 250VAC operation.
  • Slow-blow response for inrush current tolerance.
  • 5AG cartridge package with holder mounting.
  • Approved by CE, CSA, and UL agencies.
  • 100A interrupting capacity at rated voltage.

FNM-2-1/2 Applications

  • Protects motors from overcurrent conditions.
  • Safeguards transformers against fault currents.
  • Used in industrial control panels and equipment.
  • Suitable for lighting and power distribution circuits.

FNM-2-1/2 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the FNM-2-1/2 fuse?

The FNM-2-1/2 is rated for 2.5 amperes.

What is the voltage rating of this fuse?

The voltage rating is 250 volts AC.

What is the breaking capacity of the FNM-2-1/2?

The breaking capacity is 100 amperes at the rated voltage.

Is the FNM-2-1/2 a fast-acting or slow-blow fuse?

It is a slow-blow (time-delay) fuse.

What package size is the FNM-2-1/2?

It comes in a 5AG package, 10mm x 38mm (0.406" x 1.500").

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