1 A Current Rating
The FNM-1 is an FNM series time-delay supplemental fuse with a documented current rating of 1 A.
Bussmann FNM-1 Midget Fuse 1A 250VAC Time-Delay
Available in stock (1000)
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$6.12
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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
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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