Eaton Bussmann

Bussmann FNM-15 Time-Delay Midget Fuse 15A 250VAC

SKU: LL1-BSM-FNM-15*1

$6.12

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Bussmann FNM-15 Time-Delay Midget Fuse 15A 250VAC

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Eaton Bussmann

Bussmann FNM-15 Time-Delay Midget Fuse 15A 250VAC

SKU: LL1-BSM-FNM-15*1

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$6.12

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Bussmann (Eaton)
Model Number	FNM-15
Manufacturer Catalog Number	FNM-15
Product Category	Time-Delay Midget Fuse
Fuse Series	FNM
Current Rating	15 A
AC Voltage Rating	250 VAC
Operating Characteristic	Time-Delay (Slow-Blow)
Number of Elements	Dual Element
Fuse Format	Midget Cartridge Fuse (5AG)
Nominal Dimensions	10.3 x 38.1 mm (13/32 x 1-1/2 in)
Termination Style	Ferrule End Caps
Fuse Indication	Non-Indicating
Interrupting Rating at 250 VAC	10 kAIC (10,000 A)
Interrupting Rating at 125 VAC	Not separately specified in Eaton Technical Data 2028 for the 12–30 A range
Fuse Body Construction	Melamine Tube (FNM Series Specification)
End Cap Material	Nickel-Plated Bronze
Color Code	Green (250 VAC Maximum)
UPC	051712521505
Agency Information	UL Listed, Std. 248-14; CSA Certified
Compliance	CE Marked; RoHS Compliant
Protection Type	Supplemental Overcurrent Protection

Key Features

15 A Current Rating

Provides supplemental overcurrent protection for appropriately specified industrial electrical circuits requiring a 15 A time-delay fuse rating.

250 VAC Voltage Rating

Designed for compatible AC electrical control and equipment circuits operating within the published maximum voltage rating of 250 VAC.

Dual-Element Time-Delay Protection

Helps accommodate temporary inrush currents associated with motors, control power transformers and other inductive loads according to the published time-current characteristics.

Compact Midget Cartridge Format

Uses a nominal 10.3 x 38.1 mm cylindrical cartridge design for installation in appropriately rated and dimensionally compatible midget fuse holders.

10 kA Interrupting Rating at 250 VAC

The FNM-15 has a published interrupting rating of 10,000 A at 250 VAC. Circuit selection must account for the available fault current and the protective requirements of the application.

Nickel-Plated Ferrule Connections

Nickel-plated bronze ferrule end caps provide electrical contact surfaces for compatible industrial fuse blocks, clips and holders.

Applications

Industrial control power transformer circuits
AC inductive control circuits up to 250 VAC
Electrical circuits with temporary motor-starting inrush currents
Supplemental protection of compatible motor control circuits
Industrial electrical control panels
General-purpose, lighting and meter circuits where suitable
Electrical equipment maintenance and fuse replacement
Compatible midget fuse holders and fuse blocks

Purchase Information

We support online purchase of the Bussmann FNM-15 Time-Delay Midget 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 FNM-15?
It is a 15 A time-delay midget cartridge fuse from the Eaton Bussmann FNM series, intended for supplemental overcurrent protection.

Who manufactures FNM-15?
FNM-15 belongs to the Eaton Bussmann series. Its manufacturer catalog number is FNM-15.

What is the rated current?
The rated current is 15 amperes.

What is the AC voltage rating?
The manufacturer specifies a maximum AC voltage rating of 250 VAC.

Is FNM-15 a fast-acting fuse?
No. It is a dual-element time-delay fuse designed to accommodate certain temporary inrush currents according to its published operating characteristics.

What is the interrupting rating at 250 VAC?
The FNM-15 has an interrupting rating of 10 kA at 250 VAC, equivalent to 10,000 amperes.

What is the interrupting rating at 125 VAC?
Eaton Technical Data 2028 does not specify a separate 125 VAC interrupting rating for the FNM 12–30 A range. The published 250 VAC interrupting rating for FNM-15 is 10 kA. Confirm the protection requirements of the installation before use.

What are the physical dimensions?
The nominal dimensions are 10.3 mm in diameter and 38.1 mm in length, corresponding to the 5AG midget cartridge fuse format.

Does FNM-15 have a blown-fuse indicator?
No. The standard FNM-15 is a non-indicating cartridge fuse.

What materials and terminals does it use?
Eaton Technical Data 2028 describes melamine tube construction and nickel-plated end caps for the FNM series. The FNM-15 product specification identifies nickel-plated bronze ferrule end caps.

Can FNM-15 be used for branch-circuit protection?
The FNM series is classified for supplemental overcurrent protection. Applications requiring branch-circuit protection need a protective device with the appropriate classification and interrupting rating.

What should be verified before ordering?
Confirm the exact FNM-15 model number, 15 A current rating, 250 VAC voltage rating, 10 kA interrupting rating at 250 VAC, time-delay characteristics, physical dimensions and fuse-holder compatibility. Refer to Eaton Bussmann Technical Data 2028 for application details.

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