RS PRO 4A British Standard Fuse, E1, 240V ac

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Subtotal (1 pack of 5 units)*

£8.70

(exc. VAT)

£10.45

(inc. VAT)

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Temporarily out of stock
  • 140 unit(s) shipping from 05 December 2025
  • Plus 180 unit(s) shipping from 13 February 2026
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Units
Per unit
Per Pack*
5 - 20£1.74£8.70
25 - 120£1.648£8.24
125 - 245£1.578£7.89
250 - 495£1.516£7.58
500 +£1.444£7.22

*price indicative

RS Stock No.:
521-2832
Brand:
RS PRO
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Brand

RS PRO

Current Rating

4A

Fuse Size

E1

Voltage Rating

240V ac

Fuse Standard

BS 88, IEC 269

Application Category

gG

Tag Width

12.7mm

High Rupture Capacity

Yes

Overall Length

47mm

Body Diameter

12mm

Tag Type

Blade

Body Length

23mm

Body Height

23mm

Series

SSD

Fuse Dimensions

12 x 47mm

RoHS Status: Exempt

COO (Country of Origin):
IN

Eaton SSD Series British Standard Fuse, 4A Current Rating, 240V AC Voltage - SSD4RS


This British Standard Fuse is designed to provide exceptional protection in electrical applications. It features a dimension of 12 x 47 mm and is rated for 4A, making it suitable for a wide range of uses in automation and electrical systems. Adhering to BS 88 and IEC 269 standards, this fuse ensures reliability and safety in operation.

Features & Benefits


• Rated for 240V AC, suitable for various electrical devices
• gG fuse category provides excellent short-circuit protection
• Blade tag type allows for easy installation and replacement
• Compact design with a body diameter of 12mm optimises space
• E1 fuse size fits standard enclosures conveniently

Applications


• Used in domestic and industrial electrical installations
• Ideal for automation equipment requiring robust protection
• Utilised in power distribution boards and circuits
• Suitable for machinery protecting motors and transformers

What considerations should be taken into account when selecting a fuse rating for specific applications?


Selecting the correct fuse rating depends on the operational current of the device and the potential inrush current

typically, a fuse rating slightly higher than the maximum continuous current is advisable to prevent nuisance blowing while ensuring protection from short circuits.

How does the high rupture capacity feature benefit electrical systems during fault conditions?


The high rupture capacity allows the fuse to safely break the electrical circuit without causing damage to the surrounding components during overload or fault conditions, preventing larger failures or hazards in the electrical system.

In what scenarios should this type of fuse be used instead of a faster-acting variant?


This fuse type is ideal for applications where temporary surges may occur, such as motor starts, allowing it to withstand brief overloads without blowing. For sensitive electronic equipment, a fast-blow variant is preferred for immediate protection.

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