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BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 4 A, 250 V AC, 13/32 in x 1 1/2 in - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 4 A, 250 V AC, 13/32 in x 1 1/2 in

The BUSSMANN FNM Series is a time-delay cylindrical fuse, specifically the Midget type, designed for overcurrent protection. This non-indicating fuse is rated for 4 A at 250 V AC and measures 13/32 in x 1 1/2 in…

SKU 3G-OTH-24451

Also listed as: FNM4 · FNM 4

Brand
BUSSMANN
Item
Fuse: FNM Series, Midget, Time-Delay, 4 A, 250 V AC, 13/32 in x 1 1/2 in
Category
Time-Delay Cylindrical Fuses
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
FNM-4
Series
FNM
Type
Midget, Time-Delay, 4 A, 13/32 in x 1 1/2 in, Non-Indicating
AC
250 V

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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN FNM Series is a time-delay cylindrical fuse, specifically the Midget type, designed for overcurrent protection. This non-indicating fuse is rated for 4 A at 250 V AC and measures 13/32 in x 1 1/2 in, with the manufacturer part number FNM-4.

Frequently Asked Questions

What is the BUSSMANN FNM-4 fuse used for?

The BUSSMANN FNM-4 is a time-delay cylindrical fuse used for overcurrent protection in industrial control panels, motor circuits, and lighting systems. Its time-delay characteristic allows it to withstand temporary inrush currents without nuisance opening, making it suitable for applications with inductive loads.

What are the specifications of the BUSSMANN FNM-4 fuse?

The BUSSMANN FNM-4 is a Midget, time-delay, non-indicating fuse rated 4 A at 250 V AC. It measures 13/32 in x 1 1/2 in and is part of the FNM Series. The manufacturer part number is FNM-4. It provides reliable overcurrent protection in a compact cylindrical package.

Where to buy BUSSMANN FNM-4 fuses worldwide?

3G Electric supplies BUSSMANN FNM-4 fuses worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine BUSSMANN components to support your maintenance and production needs.

How to select the correct BUSSMANN FNM series fuse for my application?

To select the correct BUSSMANN FNM series fuse, match the voltage rating (250 V AC) and current rating (4 A for FNM-4) to your circuit requirements. Consider the time-delay characteristic for motor or transformer starting currents. Ensure the physical size (13/32 in x 1 1/2 in) fits your fuse holder. Consult a qualified engineer for critical applications.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

3G Electric supplies BUSSMANN time-delay cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 4.5 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-4-1/2)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 4.5 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-4-1/2)
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 3.5 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-3-1/2)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 3.5 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-3-1/2)
Time-delay cylindrical fuse rated 3.2 A and 250 V AC. Midget size with dimensions 13/32 in x 1 1/2 in, non-indicating design. Used in industrial control circuits, motor protection, and transformer applications to handle temporary inrush currents without nuisance opening
BUSSMANN
Time-delay cylindrical fuse rated 3.2 A and 250 V AC. Midget size with dimensions 13/32 in x 1 1/2 in, non-indicating design. Used in industrial control circuits, motor protection, and transformer applications to handle temporary inrush currents without nuisance opening
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 6 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-6)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 6 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-6)
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 5.6 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-5-6/10)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 5.6 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-5-6/10)
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 2.25 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-2-1/4)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 2.25 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-2-1/4)

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Class RK5 time-delay cylindrical fuse rated 5.6 A, 600 V AC, and 300 V DC. Non-indicating type from the FRS-R series. Provides overcurrent protection for motor circuits, transformers, and other inductive loads in industrial control panels and distribution equipment
The BUSSMANN GMC-3.15-R is a GMC Series time-delay cylindrical fuse rated at 3.15 A and 250 V AC. It features a 5 mm x 20 mm package and is designed for overcurrent protection in circuits with moderate inrush currents, such as power supplies and motor controls
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