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BUSSMANN S506-1.25-R Time-Delay Cylindrical Fuse, 1.25 A, 250 V AC, 5 mm x 20 mm - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN S506-1.25-R Time-Delay Cylindrical Fuse, 1.25 A, 250 V AC, 5 mm x 20 mm

The BUSSMANN S506 Series is a time-delay cylindrical fuse rated at 1.25 A and 250 V AC, with a 5 mm x 20 mm physical size. This fuse, identified by manufacturer part number S506-1.25-R, provides overcurrent…

SKU 3G-OTH-25974

Also listed as: S506125R · S506 1 25 R · S506-1-25-R

Brand
BUSSMANN
Item
S506-1.25-R Time-Delay Cylindrical Fuse, 1.25 A, 250 V AC, 5 mm x 20 mm
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
S506-1.25-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 1.25 A and 250 V AC, with a 5 mm x 20 mm physical size. This fuse, identified by manufacturer part number S506-1.25-R, provides overcurrent protection with a delayed response characteristic.

Frequently Asked Questions

What is the BUSSMANN S506-1.25-R fuse used for?

The BUSSMANN S506-1.25-R is a time-delay cylindrical fuse used for overcurrent protection in industrial equipment, lighting, and power supplies. Its delayed response allows it to tolerate harmless inrush currents without nuisance tripping, making it suitable for circuits with capacitive or inductive loads.

What are the specifications of the BUSSMANN S506-1.25-R fuse?

The BUSSMANN S506-1.25-R is rated at 1.25 A and 250 V AC, with a physical size of 5 mm x 20 mm. It belongs to the S506 series and features a time-delay characteristic. The manufacturer part number is S506-1.25-R, and it is designed for cylindrical fuse holders.

Where to buy the BUSSMANN S506-1.25-R fuse worldwide?

You can source the BUSSMANN S506-1.25-R fuse worldwide through 3G Electric, a global industrial equipment distributor. 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time on this BUSSMANN 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 (1.25 A) to your circuit requirements. Ensure the 5 mm x 20 mm physical size fits your fuse holder. The time-delay characteristic is 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, 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)
Time-delay cylindrical fuse rated 10 A, 250 V AC, with 5 mm x 20 mm dimensions. Designed for overcurrent protection in circuits with inductive loads such as motors and transformers, accommodating temporary inrush currents
BUSSMANN
Time-delay cylindrical fuse rated 10 A, 250 V AC, with 5 mm x 20 mm dimensions. Designed for overcurrent protection in circuits with inductive loads such as motors and transformers, accommodating temporary inrush currents
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)
Time-delay cylindrical fuse rated 5 A at 250 V AC, 5 mm x 20 mm size. Provides overcurrent protection with slow-blow response for circuits with temporary inrush currents, such as motors, transformers, and power supplies
BUSSMANN
Time-delay cylindrical fuse rated 5 A at 250 V AC, 5 mm x 20 mm size. Provides overcurrent protection with slow-blow response for circuits with temporary inrush currents, such as motors, transformers, and power supplies
BUSSMANN Fuse: S506 Series, Time-Delay, 500 mA, 250 V AC, 5 mm x 20 mm (MPN S506-500-R)
BUSSMANN
BUSSMANN Fuse: S506 Series, Time-Delay, 500 mA, 250 V AC, 5 mm x 20 mm (MPN S506-500-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 800 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-800-R)
BUSSMANN
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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The BUSSMANN FRS-R-6 is a Class RK5 time-delay cylindrical fuse rated 6 A, 600 V AC, and 300 V DC. It is non-indicating and part of the FRS-R series. This fuse is used for overcurrent protection of motor circuits, transformers, and other inductive loads, allowing harmless inrush currents to pass without nuisance opening
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