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Eaton Bussmann

Bussmann FNM-1 Midget Fuse 1A 250VAC Time-Delay

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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
Model Number	FNM-1
Product Category	Midget Fuse
Series	FNM
Fuse Type	Time-Delay Supplemental Fuse
Current Rating	1 A
Voltage Rating	250 VAC
Interrupting Rating at 250 VAC	35 A
Interrupting Rating at 125 VAC	10 kA
Dimensions	10.3 × 38.1 mm
Connection	Ferrule End × Ferrule End
Number of Elements	Dual
Fuse Indicator	Non-Indicating
Tube Construction	Melamine
Endcaps	Nickel-Plated
Color Code	Green
UL	UL Listed, File E19180
CSA	CSA Certified, File 53787
Compliance	CE Marked, RoHS Compliant

Key Features

1 A Current Rating

The FNM-1 is an FNM series time-delay supplemental fuse with a documented current rating of 1 A.

250 VAC Rating

The FNM-1 has a maximum documented voltage rating of 250 VAC.

Time-Delay Characteristic

The FNM series uses a time-delay characteristic for supplemental protection of inductive circuits and circuits with high inrush currents.

Dual-Element Construction

The FNM-1 uses a dual-element configuration with ferrule end connections and a non-indicating design.

10.3 × 38.1 mm Format

The fuse uses the 13/32 × 1-1/2 inch midget format, corresponding to approximately 10.3 × 38.1 mm.

Defined Interrupting Ratings

The documented interrupting ratings for FNM-1 are 35 A at 250 VAC and 10 kA at 125 VAC.

Applications

Inductive circuit protection
Motor load circuits
Transformer load circuits
High-inrush-current circuits
General-purpose circuits
Lighting circuit protection
Meter circuits
Industrial control panels

Purchase Information

We support online purchase of the Bussmann FNM-1 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 Bussmann FNM-1?
Bussmann FNM-1 is an FNM series time-delay supplemental midget fuse with a documented current rating of 1 A.

What is the current rating of FNM-1?
The documented current rating is 1 A.

What is the voltage rating of FNM-1?
The documented maximum voltage rating is 250 VAC.

Is FNM-1 a time-delay fuse?
Yes. Eaton identifies the Bussmann FNM series as time-delay supplemental fuses.

What is the interrupting rating at 250 VAC?
The documented interrupting rating for FNM-1 at 250 VAC is 35 A.

What is the interrupting rating at 125 VAC?
The documented interrupting rating for FNM-1 at 125 VAC is 10 kA.

What are the dimensions of FNM-1?
The FNM-1 measures approximately 10.3 mm in diameter and 38.1 mm in length.

What connection type does FNM-1 use?
The FNM-1 uses ferrule end to ferrule end connections.

Does FNM-1 have a fuse indicator?
No. Eaton specifies FNM-1 as a non-indicating fuse.

What applications are associated with FNM fuses?
Documented applications include circuits with high inrush currents such as motor and transformer loads, supplemental protection for inductive circuits, general-purpose circuits, lighting circuits and meter circuits.

Is FNM-1 a Class CC fuse?
No. FNM-1 is specified as a supplemental midget fuse. Fuse class and holder requirements should be checked before selecting it for an application.

What should be checked before ordering FNM-1?
Check the FNM-1 catalog number, 1 A current rating, 250 VAC maximum voltage, time-delay characteristic, 10.3 × 38.1 mm dimensions, interrupting requirements and the specifications of the protected circuit before purchasing.

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