Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

BUSSMANN Fuse: Fast Acting, 20 A - British Standard BS88 Fuses
BUSSMANNBritish Standard BS88 Fuses

BUSSMANN Fuse: Fast Acting, 20 A

The BUSSMANN AAO20 is a British Standard BS88 fuse, fast-acting with a 20 A rating and 550 V AC voltage capacity. It belongs to the AA0 series from BUSSMANN, identified by manufacturer part number AAO20.

SKU 3G-OTH-23914

Brand
BUSSMANN
Item
Fuse: Fast Acting, 20 A
Category
British Standard BS88 Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BUSSMANN
Manufacturer Part Number
AAO20
Series
AA0
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BUSSMANN AAO20 is a British Standard BS88 fuse, fast-acting with a 20 A rating and 550 V AC voltage capacity. It belongs to the AA0 series from BUSSMANN, identified by manufacturer part number AAO20.

Frequently Asked Questions

What is the BUSSMANN AAO20 fuse used for?

The BUSSMANN AAO20 is a British Standard BS88 fast-acting fuse rated 20 A and 550 V AC. It protects electrical circuits and equipment from overcurrent in industrial power distribution, motor control centers, and switchgear applications where rapid fault interruption is required.

What are the specifications of the BUSSMANN AAO20 fuse?

The BUSSMANN AAO20 is a fast-acting fuse from the AA0 series. It has a current rating of 20 A and a voltage rating of 550 V AC. It complies with British Standard BS88 and is identified by manufacturer part number AAO20.

Where to buy BUSSMANN AAO20 fuses worldwide?

3G Electric supplies the BUSSMANN AAO20 fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this British Standard BS88 fast-acting fuse rated 20 A and 550 V AC.

How to select the correct BUSSMANN AAO20 fuse for an application?

Verify the system voltage does not exceed 550 V AC and the continuous load current is below 20 A. Ensure the fuse holder or base is rated for BS88 fuses. The AAO20 is fast-acting, so it is suitable for circuits without high inrush currents.

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 british standard bs88 fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
BUSSMANN Fuse: DFJ Series, Class J, Bolt-On Body, Fast-Acting, 500 A, 600 V AC, 450 V DC (MPN DFJ-500). Key specifications — Series: DFJ; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: DFJ Series, Class J, Bolt-On Body, Fast-Acting, 500 A, 600 V AC, 450 V DC (MPN DFJ-500). Key specifications — Series: DFJ; Brand: BUSSMANN.
BUSSMANN Fuse: DFJ Series, Class J, Bolt-On Body, Fast-Acting, 225 A, 600 V AC, 450 V DC (MPN DFJ-225). Key specifications — Series: DFJ; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: DFJ Series, Class J, Bolt-On Body, Fast-Acting, 225 A, 600 V AC, 450 V DC (MPN DFJ-225). Key specifications — Series: DFJ; Brand: BUSSMANN.
BUSSMANN Fuse: ABC Series, Fast-Acting, 250 mA, 250 V AC, Non-Indicating, 1/4 in x 1 1/4 in (MPN ABC-1/4-R). Key specifications — Brand: BUSSMANN; Series: ABC; Equivalent Fuse Series: ABC & GAB.
BUSSMANN
BUSSMANN Fuse: ABC Series, Fast-Acting, 250 mA, 250 V AC, Non-Indicating, 1/4 in x 1 1/4 in (MPN ABC-1/4-R). Key specifications — Brand: BUSSMANN; Series: ABC; Equivalent Fuse Series: ABC & GAB.
BUSSMANN Fuse: S500 Series, Fast-Acting, 80 mA, 250 V AC, 5 mm x 20 mm (MPN S500-80-R). Key specifications — attr211187: BUSSMANN; attr1287207: S500.
BUSSMANN
BUSSMANN Fuse: S500 Series, Fast-Acting, 80 mA, 250 V AC, 5 mm x 20 mm (MPN S500-80-R). Key specifications — attr211187: BUSSMANN; attr1287207: S500.
BUSSMANN Fuse: DFJ Series, Class J, Bolt-On Body, Fast-Acting, 80 A, 600 V AC, 450 V DC (MPN DFJ-80). Key specifications — Series: DFJ; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: DFJ Series, Class J, Bolt-On Body, Fast-Acting, 80 A, 600 V AC, 450 V DC (MPN DFJ-80). Key specifications — Series: DFJ; Brand: BUSSMANN.
BUSSMANN Fuse: S500 Series, Fast-Acting, 40 mA, 250 V AC, 5 mm x 20 mm (MPN S500-40-R). Key specifications — attr211187: BUSSMANN; attr1287207: S500.
BUSSMANN
BUSSMANN Fuse: S500 Series, Fast-Acting, 40 mA, 250 V AC, 5 mm x 20 mm (MPN S500-40-R). Key specifications — attr211187: BUSSMANN; attr1287207: S500.

More from BUSSMANN

View all BUSSMANN parts
BUSSMANN Fuse: Bussmann NITD, Fast Acting, 25 A, 550 V AC (MPN NITD25). Key specifications — Series: NITD; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: Bussmann NITD, Fast Acting, 25 A, 550 V AC (MPN NITD25). Key specifications — Series: NITD; Brand: BUSSMANN.
BUSSMANN Fuse: Fast Acting, 10 A, 550 V AC (MPN AAO10). Key specifications — Series: AA0; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: Fast Acting, 10 A, 550 V AC (MPN AAO10). Key specifications — Series: AA0; Brand: BUSSMANN.
BUSSMANN Fuse: Fast Acting, 80 A, 550 V AC (MPN CEO80). Key specifications — Series: CEO; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: Fast Acting, 80 A, 550 V AC (MPN CEO80). Key specifications — Series: CEO; Brand: BUSSMANN.
BUSSMANN Fuse: Bussmann AAO, Fast Acting, 2 A, 550 V AC (MPN AAO2). Key specifications — Series: AA0; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: Bussmann AAO, Fast Acting, 2 A, 550 V AC (MPN AAO2). Key specifications — Series: AA0; Brand: BUSSMANN.
BUSSMANN Fuse: Bussmann NITD, Time Delay, 20 A, 550 V AC (MPN NITD20M32). Key specifications — Series: NITD; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: Bussmann NITD, Time Delay, 20 A, 550 V AC (MPN NITD20M32). Key specifications — Series: NITD; Brand: BUSSMANN.
BUSSMANN Fuse: Fast Acting, 40 A, 550 V AC (MPN CEO40). Key specifications — Series: CEO; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: Fast Acting, 40 A, 550 V AC (MPN CEO40). Key specifications — Series: CEO; Brand: BUSSMANN.
BUSSMANN Fuse: Time Delay, 160 A, 415 V AC (MPN CEO100M160). Key specifications — Series: CEO; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: Time Delay, 160 A, 415 V AC (MPN CEO100M160). Key specifications — Series: CEO; Brand: BUSSMANN.