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BUSSMANN Fuse: S501 Series, Fast-Acting, 2.5 A, 250 V AC, Non-Indicating - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN Fuse: S501 Series, Fast-Acting, 2.5 A, 250 V AC, Non-Indicating

The BUSSMANN S501 Series is a fast-acting cylindrical fuse rated at 2.5 A and 250 V AC, with a non-indicating design and dimensions of 5 mm x 20 mm (MPN S501-2.5-R). It is part of the S501 series and is equivalent to…

SKU 3G-OTH-28052

Also listed as: S50125R · S501 2 5 R · S501-2-5-R

Brand
BUSSMANN
Item
Fuse: S501 Series, Fast-Acting, 2.5 A, 250 V AC, Non-Indicating
Category
Fast-Acting Cylindrical Fuses
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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
S501-2.5-R
Series
S501
Type
Fast-Acting, 2.5 A, 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 2.5 A and 250 V AC, with a non-indicating design and dimensions of 5 mm x 20 mm (MPN S501-2.5-R). It is part of the S501 series and is equivalent to GDA, S501, 216, and GSD fuse series.

Frequently Asked Questions

What is the BUSSMANN S501-2.5-R fuse used for?

The BUSSMANN S501-2.5-R is a fast-acting cylindrical fuse rated at 2.5 A and 250 V AC. It is used for overcurrent protection in industrial control panels, power supplies, and electronic equipment where rapid response to short circuits is required. It is equivalent to GDA, S501, 216, and GSD series fuses.

What are the specifications of the BUSSMANN S501-2.5-R fuse?

The BUSSMANN S501-2.5-R is a fast-acting, non-indicating fuse from the S501 series. It has a current rating of 2.5 A, a voltage rating of 250 V AC, and a physical size of 5 mm x 20 mm. The manufacturer part number is S501-2.5-R, and it is equivalent to GDA, S501, 216, and GSD fuse series.

Where to buy BUSSMANN S501-2.5-R fuses worldwide?

You can source BUSSMANN S501-2.5-R fuses worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine BUSSMANN components for industrial applications.

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

To select the correct BUSSMANN S501 fuse, verify your circuit's operating voltage (max 250 V AC) and continuous current (2.5 A for this model). Ensure the fuse is fast-acting for sensitive electronics. The 5 mm x 20 mm size fits standard fuse holders. Confirm compatibility with equivalent series like GDA or 216.

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, 100 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-100-R)
BUSSMANN
BUSSMANN Fuse: S501 Series, Fast-Acting, 100 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-100-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 10 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-10-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 10 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-10-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 125 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-125-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 125 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-125-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 160 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-160-R)
BUSSMANN
BUSSMANN Fuse: S501 Series, Fast-Acting, 160 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-160-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 250 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-250-R)
BUSSMANN
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)
BUSSMANN
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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