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BUSSMANN FNA-20 Time-Delay Cylindrical Fuse - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN FNA-20 Time-Delay Cylindrical Fuse

The BUSSMANN FNA Series is a time-delay cylindrical fuse, specifically a midget fuse rated at 20 A and 32 V AC. It features an indicating function and has dimensions of 13/32 in x 1 1/2 in, with the manufacturer part…

SKU 3G-OTH-27236

Also listed as: FNA20 · FNA 20

Brand
BUSSMANN
Item
FNA-20 Time-Delay Cylindrical Fuse
Category
Time-Delay Cylindrical Fuses
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
FNA-20
Series
FNA
Type
Midget, Time-Delay, 20 A, 13/32 in x 1 1/2 in, Indicating
AC
32 V

Technical Documents

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

Product Description

The BUSSMANN FNA Series is a time-delay cylindrical fuse, specifically a midget fuse rated at 20 A and 32 V AC. It features an indicating function and has dimensions of 13/32 in x 1 1/2 in, with the manufacturer part number FNA-20.

Frequently Asked Questions

What is the BUSSMANN FNA-20 fuse used for?

The BUSSMANN FNA-20 is a time-delay midget fuse used for overcurrent protection in industrial control panels, motor circuits, and lighting systems. Its indicating feature allows quick identification of a blown fuse, reducing downtime in maintenance applications.

What are the specifications of the BUSSMANN FNA-20 fuse?

The BUSSMANN FNA-20 is a 20 A, 32 V AC time-delay fuse from the FNA Series. It has a cylindrical midget body measuring 13/32 in x 1 1/2 in and includes an indicating function. The manufacturer part number is FNA-20.

Where to buy BUSSMANN FNA-20 fuses worldwide?

3G Electric supplies BUSSMANN FNA-20 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 on this BUSSMANN fuse.

How to select the right BUSSMANN FNA series fuse?

Select the BUSSMANN FNA series fuse based on your circuit's voltage (max 32 V AC) and current rating (20 A for the FNA-20). Ensure the time-delay characteristic matches your application's inrush current, such as motor starting. The indicating type aids visual inspection.

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
Midget time-delay indicating fuse rated 25 A at 32 V AC. Dimensions 13/32 in x 1 1/2 in. Used for overcurrent protection in control circuits, lighting, and small transformers where temporary inrush currents occur
BUSSMANN
Midget time-delay indicating fuse rated 25 A at 32 V AC. Dimensions 13/32 in x 1 1/2 in. Used for overcurrent protection in control circuits, lighting, and small transformers where temporary inrush currents occur
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 2.5 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-2-1/2)
BUSSMANN
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 2.5 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-2-1/2)
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 2.25 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-2-1/4)
BUSSMANN
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 2.25 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-2-1/4)
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 3.2 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-3-2/10)
BUSSMANN
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 3.2 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-3-2/10)
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 2.8 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-2-8/10)
BUSSMANN
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 2.8 A, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-2-8/10)
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 750 mA, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-3/4)
BUSSMANN
BUSSMANN Fuse: FNA Series, Midget, Time-Delay, 750 mA, 250 V AC, 13/32 in x 1 1/2 in, Indicating (MPN FNA-3/4)

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