MPN

Eaton 40A Ceramic Cartridge Fuse, 14 x 51mm

RS Stock No.:: 181-8582
Mfr. Part No.:: C14M40
Brand:: Eaton

Eaton 40A Ceramic Cartridge Fuse, 14 x 51mm

Subtotal (1 box of 10 units)*

£23.16

(exc. VAT)

£27.79

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

80 unit(s) ready to ship
Plus 130 unit(s) ready to ship from another location
Plus 290 unit(s) shipping from 12 September 2025

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

Units	Per unit	Per Box*
10 +	£2.316	£23.16

*price indicative

RS Stock No.:: 181-8582
Mfr. Part No.:: C14M40
Brand:: Eaton

Find similar products by selecting one or more attributes.

Eaton Cartridge Fuse, 40A Current Rating, 500V AC Voltage Rating - C14M40

This cartridge fuse is designed for low voltage applications, providing dependable protection in electrical circuits. Capable of handling currents up to 40A, this 14 x 51mm fuse features a robust ceramic body, ensuring durability and safety in operation. Adhering to IEC standards, it is suitable for various industrial applications, particularly for motor protection.

Features & Benefits

• 40A current rating effectively protects electrical circuits
• Suitable for AC 500V operation ensuring reliable performance
• Compact 14 x 51mm cylindrical design fits standard fuse holders
• aM application category enhances switchgear protection
• High breaking capacity of 120kA guards against overloading
• Complies with IEC 60269-2 standard for safety assurance

Applications

• Utilised in motor protection
• Ideal for industrial electrical installations
• Designed for safety and circuit protection needs
• Compatible with automation and process control settings

What is the significance of the ceramic body in this cartridge fuse?

The ceramic body provides superior thermal and mechanical stability, allowing the fuse to withstand high temperatures and mechanical stress, which is crucial in industrial environments.

How does the breaking capacity influence the operational safety of this fuse?

A breaking capacity of 120kA ensures that the fuse can effectively interrupt fault currents, safeguarding the overall electrical system against potential damage and hazards.

In what scenarios would this cartridge fuse be preferred over other types?

This fuse is particularly preferred in applications needing reliable motor protection and in environments where high current handling is essential, further enhanced by compliance with IEC standards.

What criteria should be considered when selecting a cartridge fuse for specific applications?

Selection should be based on the circuit’s voltage and current ratings, the type of load, and the specific protection needs to prevent overloads or short circuits.

Note

Eaton formerly known as Bussmann

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Select all	Attribute	Value
	Brand	Eaton
	Current Rating	40A
	Fuse Size	14 x 51mm
	Voltage Rating	500V ac
	Body Material	Ceramic
	Application Category	aM
	Series	Eaton Bussmann
	Fuse Standard	IEC

	Select all
	Brand Eaton
	Current Rating 40A
	Fuse Size 14 x 51mm
	Voltage Rating 500V ac
	Body Material Ceramic
	Application Category aM
	Series Eaton Bussmann
	Fuse Standard IEC