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BUSSMANN Fuse: S501 Series, Fast-Acting, 500 mA, 250 V AC, Non-Indicating - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN Fuse: S501 Series, Fast-Acting, 500 mA, 250 V AC, Non-Indicating

The BUSSMANN S501 Series is a fast-acting cylindrical fuse rated at 500 mA and 250 V AC, with a non-indicating design in a 5 mm x 20 mm package. It is equivalent to the GDA, S501, 216, and GSD fuse series. This…

SKU 3G-OTH-27681

Also listed as: BKS501500R · BK S501 500 R · BK-S501-500-R

Brand
BUSSMANN
Item
Fuse: S501 Series, Fast-Acting, 500 mA, 250 V AC, Non-Indicating
Category
Fast-Acting 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
BK/S501-500-R
Series
S501
Type
Fast-Acting, 500 mA, Non-Indicating, 5 mm x 20 mm
AC
250 V
Equivalent Fuse Series
GDA, S501, 216 & GSD

Technical Documents

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

Product Description

The BUSSMANN S501 Series is a fast-acting cylindrical fuse rated at 500 mA and 250 V AC, with a non-indicating design in a 5 mm x 20 mm package. It is equivalent to the GDA, S501, 216, and GSD fuse series. This component is identified by manufacturer part number BK/S501-500-R.

Frequently Asked Questions

What is the BUSSMANN S501 Series fuse used for?

The BUSSMANN S501 Series fast-acting fuse (500 mA, 250 V AC) protects sensitive electronic circuits from overcurrent. It is commonly used in industrial control panels, power supplies, and instrumentation where rapid response to faults is critical to prevent damage to downstream components.

What are the specifications of the BUSSMANN S501-500-R fuse?

The BUSSMANN S501-500-R (MPN BK/S501-500-R) is a fast-acting, non-indicating cylindrical fuse rated at 500 mA and 250 V AC. It has a 5 mm x 20 mm package and belongs to the S501 series. Equivalent fuse series include GDA, S501, 216, and GSD.

Where to buy BUSSMANN S501-500-R fuses worldwide?

3G Electric supplies BUSSMANN S501-500-R 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 and deliver this fuse to support your maintenance or production needs.

How to select the correct BUSSMANN S501 fuse for my application?

To select the correct BUSSMANN S501 fuse, match the voltage rating (250 V AC) and current rating (500 mA) to your circuit requirements. Ensure the fast-acting characteristic suits your load. The 5 mm x 20 mm size fits standard fuse holders. For equivalent alternatives, consider GDA, 216, or GSD series fuses.

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 fast-acting 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: S501 Series, Fast-Acting, 5 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-5-R)
BUSSMANN
BUSSMANN Fuse: S501 Series, Fast-Acting, 5 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-5-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 250 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-250-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 250 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-250-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 1 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-1-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 1 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-1-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 130 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-125-R)
BUSSMANN
BUSSMANN Fuse: S501 Series, Fast-Acting, 130 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-125-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-2-R)
BUSSMANN
BUSSMANN Fuse: S501 Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-2-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 3.15 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-3.15-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 3.15 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-3.15-R)

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