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BUSSMANN Fuse: S501 Series, Fast-Acting, 50 mA, 250 V AC, Non-Indicating - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN Fuse: S501 Series, Fast-Acting, 50 mA, 250 V AC, Non-Indicating

The BUSSMANN S501 Series is a fast-acting cylindrical fuse, specifically the S501-50-R model, rated at 50 mA and 250 V AC. This non-indicating fuse measures 5 mm x 20 mm and is part of the S501 series, which is…

SKU 3G-OTH-27747

Also listed as: S50150R · S501 50 R

Brand
BUSSMANN
Item
Fuse: S501 Series, Fast-Acting, 50 mA, 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
S501-50-R
Series
S501
Type
Fast-Acting, 50 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, specifically the S501-50-R model, rated at 50 mA and 250 V AC. This non-indicating fuse measures 5 mm x 20 mm and is part of the S501 series, which is equivalent to the GDA, S501, 216, and GSD fuse series.

Frequently Asked Questions

What is the BUSSMANN S501-50-R fuse used for?

The BUSSMANN S501-50-R is a fast-acting cylindrical fuse rated 50 mA and 250 V AC, used for overcurrent protection in sensitive electronic circuits, instrumentation, and control panels. Its 5 mm x 20 mm size fits standard fuse holders across industrial applications.

What are the specifications of the BUSSMANN S501-50-R fuse?

The BUSSMANN S501-50-R is a fast-acting, non-indicating fuse rated 50 mA at 250 V AC. It measures 5 mm x 20 mm and belongs to the S501 series, which is equivalent to GDA, S501, 216, and GSD fuse series. The manufacturer part number is S501-50-R.

Where to buy the BUSSMANN S501-50-R fuse worldwide?

3G Electric supplies the BUSSMANN S501-50-R fuse worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine BUSSMANN fuses to support your overcurrent protection needs across any region.

How to select the correct BUSSMANN S501-50-R fuse for my application?

To select the correct BUSSMANN S501-50-R fuse, verify your circuit's voltage (250 V AC maximum) and current rating (50 mA). Ensure the fuse holder accepts 5 mm x 20 mm dimensions. For fast-acting protection, match the interrupting rating to your system's fault current. Consult a qualified engineer for critical applications.

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, 250 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN 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 S501-250-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 500 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-500-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 500 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-500-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 5 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-5-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 5 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-5-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 200 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-200-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 200 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-200-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-2-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-2-R)
BUSSMANN Fuse: S501 Series, Fast-Acting, 4 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-4-R)
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BUSSMANN Fuse: S501 Series, Fast-Acting, 4 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S501-4-R)

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