RS PRO 10A British Standard Fuse, A1, 550V ac, 44.5mm

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Subtotal (1 pack of 5 units)*

£17.58

(exc. VAT)

£21.095

(inc. VAT)

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  • 190 unit(s) ready to ship
  • Plus 340 unit(s) shipping from 29 October 2025
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5 - 20£3.516£17.58
25 - 120£3.116£15.58
125 - 245£2.944£14.72
250 - 495£2.76£13.80
500 +£2.148£10.74

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RS Stock No.:
521-2501
Brand:
RS PRO
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Brand

RS PRO

Current Rating

10A

Fuse Size

A1

Voltage Rating

550V ac

Fuse Standard

BS 88, IEC 60269

Fixing Centres

44.5mm

Application Category

gG

Tag Width

11.2mm

High Rupture Capacity

Yes

Overall Length

55.2mm

Tag Type

Slotted

Body Diameter

13.7mm

Tag Orientation

Offset

Body Length

34.6mm

Body Height

14mm

Series

STD

Fuse Dimensions

13.7 x 55.2mm

RoHS Status: Exempt

COO (Country of Origin):
IN

RS PRO British Standard Fuse, 10A Current Rating, 550V AC Voltage Rating


This fuse is designed for efficient protection in various industrial applications. With a current rating of 10A and a voltage rating of 550V AC, it ensures reliable performance in power distribution and motor protection. The fuse measures 13.7 x 55.2 mm, featuring a slotted tag design for easy installation.

Features & Benefits


• Designed to limit peak let-through current efficiently
• Selective coordination reduces risks of unnecessary downtime
• Complies with BS 88 and IEC 60269 standards
• Suitable for RoHS compliant applications
• Efficient power loss values ensure low operational costs

Applications


• Used for protecting power distribution systems
• Ideal for motor protection
• Suitable for cable protection in industrial settings
• Effective in both gG and gM utilisation categories

What are the dimensions of this fuse?


The dimensions are 13.7mm in diameter and 55.2mm in length.

How does the selective coordination ratio benefit installations?


The 1:1:6 selective coordination ratio minimises interruptions by ensuring that only the affected fuse operates during overloads, preserving downstream functionality.

What is the significance of the high rupture capacity feature?


The high rupture capacity allows the fuse to safely interrupt high fault currents, ensuring circuit protection and preventing damage to electrical components.

What challenges does this fuse help to resolve in electrical systems?


It addresses potential overload and short circuit issues, protecting sensitive equipment and maintaining the integrity of electrical networks.

Can this fuse be used for both AC and DC applications?


This particular model is specified for AC use only, adhering to its rated voltage specifications.

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