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BUSSMANN Fuse: S501 Series, Fast-Acting, 125 mA, 250 V AC, Non-Indicating - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN Fuse: S501 Series, Fast-Acting, 125 mA, 250 V AC, Non-Indicating

The BUSSMANN S501 Series is a fast-acting cylindrical fuse rated at 125 mA and 250 V AC, with a 5 mm x 20 mm form factor. This non-indicating fuse is part of the S501 series and is equivalent to GDA, S501, 216, and…

SKU 3G-OTH-28027

Also listed as: S501125R · S501 125 R

Brand
BUSSMANN
Item
Fuse: S501 Series, Fast-Acting, 125 mA, 250 V AC, Non-Indicating
Category
Fast-Acting Cylindrical Fuses
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BUSSMANN
Manufacturer Part Number
S501-125-R
Series
S501
Type
Fast-Acting, 125 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 125 mA and 250 V AC, with a 5 mm x 20 mm form factor. This non-indicating fuse is part of the S501 series and is equivalent to GDA, S501, 216, and GSD series fuses. The manufacturer part number is S501-125-R.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BUSSMANN S501-125-R fuse used for?

The BUSSMANN S501-125-R is a fast-acting cylindrical fuse rated 125 mA and 250 V AC, used for overcurrent protection in electronic circuits, power supplies, and industrial control panels. Its 5 mm x 20 mm form factor suits standard fuse holders. 3G Electric supplies this fuse worldwide.

What are the specifications of the BUSSMANN S501-125-R fuse?

The BUSSMANN S501-125-R is a fast-acting, non-indicating fuse with a current rating of 125 mA and a voltage rating of 250 V AC. It has a 5 mm x 20 mm cylindrical body and is part of the S501 series. Equivalent fuse series include GDA, S501, 216, and GSD.

Where to buy the BUSSMANN S501-125-R fuse worldwide?

You can source the BUSSMANN S501-125-R fuse from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times. We supply BUSSMANN fuses globally.

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

To select the correct BUSSMANN S501 series fuse, verify your circuit's operating voltage (max 250 V AC) and current (125 mA for the S501-125-R). Ensure the 5 mm x 20 mm form factor fits your holder. For fast-acting protection, match the fuse's interrupting rating to your system's fault current.

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)
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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, 2.5 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-2.5-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 2.5 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-2.5-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 160 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-160-R)
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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, 130 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-125-R)
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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, 100 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-100-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 100 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S501-100-R)

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