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BUSSMANN S501-50-R Fast-Acting Cylindrical Fuse, 50 mA, 250 V AC, 5 mm x 20 mm - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN S501-50-R Fast-Acting Cylindrical Fuse, 50 mA, 250 V AC, 5 mm x 20 mm

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
S501-50-R Fast-Acting Cylindrical Fuse, 50 mA, 250 V AC, 5 mm x 20 mm
Part Number
S501-50-R
Category
Fast-Acting Cylindrical Fuses
Available to Order
Also known as:S501-50-RBUSSMANN
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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

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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 drives — BUSSMANN FWC series fast-acting cylindrical fuses protect power semiconductors in AC/DC drive circuits.
Control transformers — BUSSMANN FNQ-R series time-delay fuses handle inrush currents in control power circuits.
Semiconductor protection — BUSSMANN KAC series bolt-on fuses safeguard diodes, thyristors, and IGBTs in AC-only applications.
Electrical panels — BUSSMANN FP-2, FP-3, FP-4, and FP-6 fuse pullers enable safe fuse replacement in distribution panels.
Automotive electrical systems — BUSSMANN FP-A3 fuse puller removes and installs 1/4 in and 1/2 in automotive fuses.
Power supplies — BUSSMANN FWC series fuses provide overcurrent protection in AC/DC power supply circuits.
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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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