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RS PRO 20A British Standard Fuse A2 550V ac, 73 mm

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Subtotal (1 pack of 5 units)*

£23.99

(exc. VAT)

£28.79

(inc. VAT)

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  • Plus 275 unit(s) shipping from 11 June 2026
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Units
Per unit
Per Pack*
5 - 20£4.798£23.99
25 - 120£4.146£20.73
125 - 245£3.77£18.85
250 - 495£3.674£18.37
500 +£3.166£15.83

*price indicative

RS Stock No.:
521-2595
Brand:
RS PRO
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Brand

RS PRO

Current Rating

20A

Product Type

British Standard Fuse

Fuse Size

A2

Voltage

550V ac

Standards/Approvals

IEC 269, BS 88

Fixing Centres

73 mm

Application Category

gG

Tag Width

8.7mm

Fuse Speed

F

High Rupture Capacity

Yes

Tag Orientation

Offset

Overall Length

85mm

Length

35mm

Height

35mm

Width

14mm

Diameter

13.7mm

Series

AAO

RoHS Status: Exempt

RS PRO British Standard Fuse, 20A Current Rating, 550V AC Voltage Rating


This British Standard fuse is designed for use in critical electrical applications, ensuring enhanced safety and reliability. With a current rating of 20A and accommodating voltages up to 550V AC, this high rupture capacity fuse is tailored for both industrial and commercial use. Measuring 13.7 x 35 mm, it adheres to the BS 88 and IEC 269 standards, making it a dependable choice for professionals in the electrical field.

Features & Benefits


• High rupture capacity allows for effective handling of fault currents

• Rated at 20A, suitable for standard electrical applications

• Bolted tag design enhances secure connections in electrical installations

• Offset tag orientation facilitates straightforward mounting and installation

• Application category gG improves operational efficiency in various circuits

Applications


• Ideal for protecting electrical circuits in industrial machinery

• Suitable for use in motor control and automation systems

• Utilised in power distribution networks to prevent overloads

• Effective in electrical panels to enhance circuit safety

What voltage ratings can be expected from this fuse?


This fuse is rated for 550V AC, making it suitable for diverse electrical applications where higher voltage ratings are necessary to ensure safety.

How does the high rupture capacity of this fuse benefit circuit protection?


The high rupture capacity ensures that in the event of a fault, the fuse can safely interrupt high fault currents without risk of explosion or damage to the surrounding components.

Can this fuse be used in conjunction with various types of electrical equipment?


Yes, its compliance with BS 88 and IEC 269 standards means it can be effectively used with a wide range of electrical equipment and installations across various sectors.

What is the significance of the gG application category for this fuse?


The gG application category indicates that this fuse is designed for general-purpose applications, providing reliable overcurrent protection in non-specific circuit environments.

How does the bolted tag design improve the performance of this fuse?


The bolted tag design allows for a secure and stable connection to the circuit, reducing the risk of accidental disconnection and improving the overall safety and performance of the installation.

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