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BUSSMANN Fuse: S506 Series, Time-Delay, 40 mA, 250 V AC - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: S506 Series, Time-Delay, 40 mA, 250 V AC

The BUSSMANN S506 Series is a time-delay cylindrical fuse rated at 40 mA and 250 V AC, with a 5 mm x 20 mm physical size. This product, manufactured by BUSSMANN under part number S506-40-R, is designed for…

SKU 3G-OTH-25009

Also listed as: S50640R · S506 40 R

Brand
BUSSMANN
Item
Fuse: S506 Series, Time-Delay, 40 mA, 250 V AC
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
S506-40-R
Series
S506

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

Product Description

The BUSSMANN S506 Series is a time-delay cylindrical fuse rated at 40 mA and 250 V AC, with a 5 mm x 20 mm physical size. This product, manufactured by BUSSMANN under part number S506-40-R, is designed for overcurrent protection in industrial equipment.

Frequently Asked Questions

What is the BUSSMANN S506-40-R fuse used for?

The BUSSMANN S506-40-R is a time-delay cylindrical fuse used for overcurrent protection in industrial equipment. Its 40 mA rating and 250 V AC capacity make it suitable for sensitive circuits that experience temporary inrush currents, such as control panels, power supplies, and instrumentation.

What are the specifications of the BUSSMANN S506-40-R fuse?

The BUSSMANN S506-40-R is a time-delay fuse rated at 40 mA and 250 V AC. It has a 5 mm x 20 mm cylindrical body and belongs to the S506 Series. The manufacturer part number is S506-40-R. It is designed for overcurrent protection in industrial applications.

Where to buy the BUSSMANN S506-40-R fuse worldwide?

You can source the BUSSMANN S506-40-R fuse worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this BUSSMANN S506 Series fuse.

How to select the correct BUSSMANN S506 Series fuse for my application?

To select the correct BUSSMANN S506 Series fuse, match the voltage rating (250 V AC) and current rating (40 mA for the S506-40-R) to your circuit requirements. Ensure the 5 mm x 20 mm physical size fits your fuse holder. Time-delay fuses are ideal for circuits with startup surges, such as motors or transformers.

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: S506 Series, Time-Delay, 400 mA, 250 V AC, 5 mm x 20 mm (MPN S506-400-R)
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BUSSMANN Fuse: S506 Series, Time-Delay, 400 mA, 250 V AC, 5 mm x 20 mm (MPN S506-400-R)
BUSSMANN Fuse: S506 Series, Time-Delay, 500 mA, 250 V AC, 5 mm x 20 mm (MPN S506-500-R)
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BUSSMANN Fuse: S506 Series, Time-Delay, 500 mA, 250 V AC, 5 mm x 20 mm (MPN S506-500-R)
BUSSMANN Fuse: S506 Series, Time-Delay, 32 mA, 250 V AC, 5 mm x 20 mm (MPN S506-32-R)
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BUSSMANN Fuse: S506 Series, Time-Delay, 32 mA, 250 V AC, 5 mm x 20 mm (MPN S506-32-R)
BUSSMANN Fuse: S506 Series, Time-Delay, 250 mA, 250 V AC, 5 mm x 20 mm (MPN S506-250-R)
BUSSMANN
BUSSMANN Fuse: S506 Series, Time-Delay, 250 mA, 250 V AC, 5 mm x 20 mm (MPN S506-250-R)
Time-delay cylindrical fuse rated 4 A and 250 V AC, with a 5 mm x 20 mm physical size. Provides overcurrent protection with a time-delay characteristic for applications encountering temporary inrush currents, such as power supplies, motors, and lighting ballasts
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Time-delay cylindrical fuse rated 4 A and 250 V AC, with a 5 mm x 20 mm physical size. Provides overcurrent protection with a time-delay characteristic for applications encountering temporary inrush currents, such as power supplies, motors, and lighting ballasts
BUSSMANN Fuse: S506 Series, Time-Delay, 3.15 A, 250 V AC, 5 mm x 20 mm (MPN S506-3.15-R)
BUSSMANN
BUSSMANN Fuse: S506 Series, Time-Delay, 3.15 A, 250 V AC, 5 mm x 20 mm (MPN S506-3.15-R)

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The BUSSMANN GMC-8-R is a 5 mm x 20 mm time-delay cylindrical fuse rated for 8 A at 125 V AC. It is part of the GMC Series and provides overcurrent protection in circuits where inrush currents occur, such as those with motors, transformers, or power supplies