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BUSSMANN Fuse: S505 Series, Time-Delay, 5 A, 250 V AC, Non-Indicating - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: S505 Series, Time-Delay, 5 A, 250 V AC, Non-Indicating

The BUSSMANN S505 Series is a time-delay cylindrical fuse rated at 5 A and 250 V AC, with a 5 mm x 20 mm physical size. This non-indicating fuse is identified by manufacturer part number S505-5-R and is equivalent to…

SKU 3G-OTH-26498

Also listed as: S5055R · S505 5 R

Brand
BUSSMANN
Item
Fuse: S505 Series, Time-Delay, 5 A, 250 V AC, Non-Indicating
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
S505-5-R
Series
S505
Type
Time-Delay, 5 A, Non-Indicating, 5 mm x 20 mm
AC
250 V
Equivalent Fuse Series
S505, 477, & GSF

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

Product Description

The BUSSMANN S505 Series is a time-delay cylindrical fuse rated at 5 A and 250 V AC, with a 5 mm x 20 mm physical size. This non-indicating fuse is identified by manufacturer part number S505-5-R and is equivalent to the S505, 477, and GSF series.

Frequently Asked Questions

What is the BUSSMANN S505-5-R fuse used for?

The BUSSMANN S505-5-R is a time-delay cylindrical fuse used for overcurrent protection in industrial control panels, power supplies, and lighting circuits. Its 5 A, 250 V AC rating and 5 mm x 20 mm size make it suitable for applications requiring inrush tolerance, such as motor starters and transformers.

What are the specifications of the BUSSMANN S505-5-R fuse?

The BUSSMANN S505-5-R is a 5 A, 250 V AC time-delay fuse from the S505 series. It is non-indicating, measures 5 mm x 20 mm, and is equivalent to the S505, 477, and GSF series. The manufacturer part number is S505-5-R. It provides reliable overcurrent protection with a slow-blow characteristic.

Where to buy BUSSMANN S505-5-R fuses worldwide?

You can source BUSSMANN S505-5-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 times. 3G Electric supplies genuine BUSSMANN components for industrial applications.

How to select the correct BUSSMANN S505-5-R fuse for an application?

To select the BUSSMANN S505-5-R, verify your circuit's voltage (250 V AC max) and continuous current (5 A). Ensure the 5 mm x 20 mm cartridge fits your holder. The time-delay characteristic is ideal for loads with high inrush current, such as capacitors or motors. Always consult the manufacturer's data sheet for coordination.

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 time-delay 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: S505 Series, Time-Delay, 500 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-500-R)
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BUSSMANN Fuse: S505 Series, Time-Delay, 500 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-500-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 6.3 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-6.3-R)
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BUSSMANN Fuse: S505 Series, Time-Delay, 6.3 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-6.3-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 800 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-800-R)
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BUSSMANN Fuse: S505 Series, Time-Delay, 800 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-800-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 500 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-500-R)
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BUSSMANN Fuse: S505 Series, Time-Delay, 500 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-500-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 8 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-8-R)
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BUSSMANN Fuse: S505 Series, Time-Delay, 8 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-8-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 10 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-10-R)
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BUSSMANN Fuse: S505 Series, Time-Delay, 10 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-10-R)

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