Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

BUSSMANN S500-250-R Fast-Acting Cylindrical Fuse, 250 mA, 250 V AC, 5 mm x 20 mm - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN S500-250-R Fast-Acting Cylindrical Fuse, 250 mA, 250 V AC, 5 mm x 20 mm

The BUSSMANN S500 Series Fast-Acting Cylindrical Fuse is a 250 mA, 250 V AC component with a 5 mm x 20 mm form factor. This fuse is designed for overcurrent protection in industrial equipment, offering fast-acting…

SKU 3G-OTH-152875

Also listed as: S500250R · S500 250 R

Brand
BUSSMANN
Item
S500-250-R Fast-Acting Cylindrical Fuse, 250 mA, 250 V AC, 5 mm x 20 mm
Category
Fast-Acting Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
S500-250-R

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BUSSMANN S500 Series Fast-Acting Cylindrical Fuse is a 250 mA, 250 V AC component with a 5 mm x 20 mm form factor. This fuse is designed for overcurrent protection in industrial equipment, offering fast-acting response to safeguard sensitive circuits. The S500-250-R model is part of the S500 series, ensuring compatibility with standard fuse holders.

Frequently Asked Questions

What is the BUSSMANN S500-250-R fuse used for?

The BUSSMANN S500-250-R fast-acting fuse protects sensitive industrial circuits from overcurrent damage. Its 250 mA, 250 V AC rating and 5 mm x 20 mm form factor make it suitable for control panels, instrumentation, and power supplies where rapid response is critical.

What are the specifications of the BUSSMANN S500-250-R fuse?

The BUSSMANN S500-250-R is a fast-acting cylindrical fuse rated at 250 mA and 250 V AC. It belongs to the S500 series and has a 5 mm x 20 mm physical size. This fuse is designed for overcurrent protection in industrial equipment requiring quick interruption.

Where to buy BUSSMANN S500-250-R fuses worldwide?

3G Electric supplies the BUSSMANN S500-250-R fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this fast-acting fuse.

How to select the correct BUSSMANN S500 series fuse for my application?

To select the correct BUSSMANN S500 series fuse, match the voltage rating (250 V AC) and current rating (e.g., 250 mA) to your circuit requirements. Ensure the 5 mm x 20 mm size fits your holder. For sensitive electronics, the fast-acting response of the S500-250-R provides reliable overcurrent protection.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Fast-acting cylindrical fuse rated 50 mA at 250 V AC, 5 mm x 20 mm form factor. Provides overcurrent protection in electronic circuits such as control panels, instrumentation, and power supplies
BUSSMANN
Fast-acting cylindrical fuse rated 50 mA at 250 V AC, 5 mm x 20 mm form factor. Provides overcurrent protection in electronic circuits such as control panels, instrumentation, and power supplies
The BUSSMANN S500-10-R is a fast-acting cylindrical fuse rated 10 A and 250 V AC. It has a 5 mm x 20 mm body and is used for overcurrent protection in industrial equipment, control panels, and power supplies where quick response to short circuits is required
BUSSMANN
The BUSSMANN S500-10-R is a fast-acting cylindrical fuse rated 10 A and 250 V AC. It has a 5 mm x 20 mm body and is used for overcurrent protection in industrial equipment, control panels, and power supplies where quick response to short circuits is required
Fast-acting cylindrical fuse rated 1 A at 250 V AC, with a 5 mm x 20 mm form factor. Designed for overcurrent protection in industrial equipment such as control panels, power supplies, and machinery
BUSSMANN
Fast-acting cylindrical fuse rated 1 A at 250 V AC, with a 5 mm x 20 mm form factor. Designed for overcurrent protection in industrial equipment such as control panels, power supplies, and machinery
Fast-acting cylindrical fuse rated 200 mA at 250 V AC. 5 mm x 20 mm form factor. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and machinery
BUSSMANN
Fast-acting cylindrical fuse rated 200 mA at 250 V AC. 5 mm x 20 mm form factor. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and machinery
Fast-acting cylindrical fuse rated 2 A at 250 V AC, 5 mm x 20 mm form factor. Provides overcurrent protection for industrial equipment such as control panels, power supplies, and machinery requiring quick response to faults
BUSSMANN
Fast-acting cylindrical fuse rated 2 A at 250 V AC, 5 mm x 20 mm form factor. Provides overcurrent protection for industrial equipment such as control panels, power supplies, and machinery requiring quick response to faults
Fast-acting cylindrical fuse rated 1.25 A and 250 V AC in a 5 mm x 20 mm package. Provides overcurrent protection for control panels, power supplies, and machinery
BUSSMANN
Fast-acting cylindrical fuse rated 1.25 A and 250 V AC in a 5 mm x 20 mm package. Provides overcurrent protection for control panels, power supplies, and machinery

More from BUSSMANN

View all BUSSMANN parts
Fast-acting cylindrical fuse rated 7 A at 600 V AC and 600 V DC. Midget size (13/32 x 1-1/2 in) for overcurrent protection in control circuits, motor starters, and power supplies
BUSSMANN
Fast-acting cylindrical fuse rated 7 A at 600 V AC and 600 V DC. Midget size (13/32 x 1-1/2 in) for overcurrent protection in control circuits, motor starters, and power supplies
Fast-acting cylindrical fuse rated 1 A, 250 V AC. Midget size 13/32 x 1-1/2 in, non-indicating. Opens quickly to protect sensitive circuits and control equipment from overcurrent
BUSSMANN
Fast-acting cylindrical fuse rated 1 A, 250 V AC. Midget size 13/32 x 1-1/2 in, non-indicating. Opens quickly to protect sensitive circuits and control equipment from overcurrent
Fast-acting cylindrical fuse rated 50 A at 700 V AC and 700 V DC. Features an indicating function for blown-fuse detection. Suitable for AC/DC circuit protection in power electronics, drives, and inverters
BUSSMANN
Fast-acting cylindrical fuse rated 50 A at 700 V AC and 700 V DC. Features an indicating function for blown-fuse detection. Suitable for AC/DC circuit protection in power electronics, drives, and inverters
Fast-acting cylindrical fuse rated 187.5 mA at 250 V AC, with a physical size of 1/4 in x 1 1/4 in. Provides overcurrent protection for sensitive equipment, control circuits, and instrumentation where rapid response to fault currents is required
BUSSMANN
Fast-acting cylindrical fuse rated 187.5 mA at 250 V AC, with a physical size of 1/4 in x 1 1/4 in. Provides overcurrent protection for sensitive equipment, control circuits, and instrumentation where rapid response to fault currents is required
Fast-acting cylindrical fuse rated 3 A and 250 V AC in a 5 mm x 20 mm form factor. Provides overcurrent protection for sensitive circuits in industrial control panels, power supplies, and machinery. Part of the GMA Series
BUSSMANN
Fast-acting cylindrical fuse rated 3 A and 250 V AC in a 5 mm x 20 mm form factor. Provides overcurrent protection for sensitive circuits in industrial control panels, power supplies, and machinery. Part of the GMA Series
Class J fast-acting cylindrical fuse rated 4 A and 600 V AC. Non-indicating design with a cylindrical body. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits requiring rapid short-circuit response
BUSSMANN
Class J fast-acting cylindrical fuse rated 4 A and 600 V AC. Non-indicating design with a cylindrical body. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits requiring rapid short-circuit response
Fast-acting cylindrical fuse rated 2 A and 250 V AC with a 1/4 in x 1 1/4 in physical size. Designed for overcurrent protection in industrial equipment, control panels, and power supplies where rapid response to short circuits is required
BUSSMANN
Fast-acting cylindrical fuse rated 2 A and 250 V AC with a 1/4 in x 1 1/4 in physical size. Designed for overcurrent protection in industrial equipment, control panels, and power supplies where rapid response to short circuits is required
Fast-acting cylindrical fuse rated 2.5 A at 125 V AC, with a physical size of 1/4 in x 1 in. Provides overcurrent protection in industrial equipment, control panels, and instrumentation where quick response to short circuits is required
BUSSMANN
Fast-acting cylindrical fuse rated 2.5 A at 125 V AC, with a physical size of 1/4 in x 1 in. Provides overcurrent protection in industrial equipment, control panels, and instrumentation where quick response to short circuits is required