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BUSSMANN Fuse: S505 Series, Time-Delay, 10 A, 250 V AC, Non-Indicating - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: S505 Series, Time-Delay, 10 A, 250 V AC, Non-Indicating

The BUSSMANN S505 Series is a time-delay cylindrical fuse rated at 10 A and 250 V AC, with a 5 mm x 20 mm body size. It is non-indicating and carries the manufacturer part number BK/S505-10-R. This fuse is equivalent…

SKU 3G-OTH-26972

Also listed as: BKS50510R · BK S505 10 R · BK-S505-10-R

Brand
BUSSMANN
Item
Fuse: S505 Series, Time-Delay, 10 A, 250 V AC, Non-Indicating
Category
Time-Delay Cylindrical Fuses
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
BK/S505-10-R
Series
S505
Type
Time-Delay, 10 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 10 A and 250 V AC, with a 5 mm x 20 mm body size. It is non-indicating and carries the manufacturer part number BK/S505-10-R. This fuse is equivalent to the S505, 477, and GSF series.

Frequently Asked Questions

What is the BUSSMANN S505 Series fuse used for?

The BUSSMANN S505 Series time-delay fuse protects circuits against overcurrent in industrial control panels, power supplies, and lighting equipment. Its 10 A rating and 250 V AC capacity suit motor and transformer applications where temporary inrush currents occur.

What are the specifications of the BUSSMANN BK/S505-10-R fuse?

The BUSSMANN BK/S505-10-R is a 10 A, 250 V AC time-delay cylindrical fuse with a 5 mm x 20 mm body. It is non-indicating and part of the S505 series, which is equivalent to the 477 and GSF series. The manufacturer part number is BK/S505-10-R.

Where to buy BUSSMANN S505 fuses worldwide?

3G Electric supplies BUSSMANN S505 series fuses worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the BK/S505-10-R or equivalent series.

How to select the right BUSSMANN S505 fuse for my application?

Select the BUSSMANN S505 fuse based on your circuit's voltage (250 V AC max), current rating (10 A), and time-delay requirement for handling inrush currents. The 5 mm x 20 mm size fits standard fuse holders. Verify the equivalent series (S505, 477, or GSF) for cross-referencing.

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, 1 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-1-R)
BUSSMANN
BUSSMANN Fuse: S505 Series, Time-Delay, 1 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-1-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-2-R)
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BUSSMANN Fuse: S505 Series, Time-Delay, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-2-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 500 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN BK/S505-500-R)
BUSSMANN
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: S506 Series, Time-Delay, 10 A, 250 V AC, 5 mm x 20 mm (MPN BK/S506-10-R)
BUSSMANN
BUSSMANN Fuse: S506 Series, Time-Delay, 10 A, 250 V AC, 5 mm x 20 mm (MPN BK/S506-10-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)
BUSSMANN
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: S506 Series, Time-Delay, 1 A, 250 V AC, 5 mm x 20 mm (MPN BK/S506-1-R)
BUSSMANN
BUSSMANN Fuse: S506 Series, Time-Delay, 1 A, 250 V AC, 5 mm x 20 mm (MPN BK/S506-1-R)

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BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 30 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-30)
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BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 30 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-30)
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: MDL Series, Time-Delay, 3.2 A, 250 V AC, 1/4 in x 1 1/4 in (MPN MDL-3-2/10-R)
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BUSSMANN Fuse: MDL Series, Time-Delay, 3.2 A, 250 V AC, 1/4 in x 1 1/4 in (MPN MDL-3-2/10-R)