MPN

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

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

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

Save 17% when you buy 500 units

Subtotal (1 pack of 5 units)*

£8.70

(exc. VAT)

£10.45

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

5 unit(s) ready to ship
Plus 140 unit(s) shipping from 05 December 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

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

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	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

	Select all
	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

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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