Free Delivery on all orders over £99*

Mercury 6 x 32mm F10A Quick Blow Fuses - 250V IEC Compliant

£149
The RRP is the manufacturer's recommended retail price of the item.
Limited Stock
We are an Independent UK Company
Price match. Found it cheaper? Contact us
Trade Discount Available
Description

The Mercury F10A is a 6 x 32mm quick blow fuse rated at 10A and 250V, designed to break a circuit within milliseconds of an overload condition. The glass body allows visual inspection of the fuse element, and the nickel-plated brass end caps fit standard 6 x 32mm fuse holders used in UK consumer units, amplifiers, power supplies and distribution boards.

Quick blow fuses operate faster than slow-blow or time-delay types, making them suited to circuits where sensitive electronics or components need immediate protection from overcurrent rather than tolerating brief inrush surges. The 10A rating handles continuous loads up to 2,300W on 230V mains, with the fuse element designed to melt and open the circuit at approximately 135% of rated current within 10-100 milliseconds depending on fault magnitude.

The Mercury range meets IEC 60127 standards for miniature fuses, ensuring consistent breaking capacity and dimensional accuracy across production batches. The 6 x 32mm cartridge format is one of the most common fuse sizes in European and UK electrical equipment, making these fuses direct replacements for existing installations without adaptor hardware. The glass body is robust enough for typical handling but should be protected from impact during storage and installation.

Frequently Asked

What's the difference between quick blow and slow blow fuses?

Quick blow fuses open the circuit within milliseconds of detecting an overcurrent, providing immediate protection for sensitive electronics. Slow blow (or time-delay) fuses tolerate brief inrush currents from motors or transformers before breaking, making them unsuitable for circuits where fast protection is needed.

Are these fuses reusable after they blow?

No. Once the internal element melts and breaks the circuit, the fuse must be replaced. Attempting to bypass or repair a blown fuse creates a fire and equipment damage risk.

What voltage rating do I need?

These fuses are rated for 250V systems, which covers UK 230V mains and most European electrical installations. Do not use fuses rated below the circuit voltage — a 250V-rated fuse used on a 230V circuit provides appropriate headroom.

How do I know when the fuse has blown?

The glass body allows visual inspection. A blown fuse will show a broken or blackened element inside the tube. If the element appears intact but the circuit is dead, remove the fuse and test continuity with a multimeter.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

See it lit, in person

Lighting looks different in a real room. Come and see our range at our showrooms in Birmingham, Hong Kong and Dubai, or talk to our design team wherever you are.

Niori lighting showroom trailer video with closeups of alabaster lighting

Why Niori

Over 20 years lighting homes worldwide

We are a specialist lighting and mirror retailer with showrooms in Birmingham, Hong Kong and Dubai, shipping to customers around the world. Our own design team is here to help, from first idea to final fitting.

Genuine products

An authorised stockist

Every product arrives brand new with the full manufacturer warranty. Found it cheaper elsewhere? Ask us about a price match.

Ordering with us

Free delivery over £99

Free delivery on orders over £99, in the UK and worldwide. Easy returns within 14 days, subject to our returns policy. Full manufacturer warranty included.

Design help

Not sure what you need?

Our design team can help you plan your lighting, share photos and videos of stock, and send samples worldwide. Book a showroom visit in Birmingham, Hong Kong or Dubai, or ask about our lighting design service.

You Might Also Like

Recommended For You

    Our Reviews

    From first click to final installation, our customers share how Niori lights up their spaces. Read their words and envision what’s possible for yours.

    Featured Projects

    Step into our portfolio and see how we transform homes, restaurants, and commercial spaces and more, worldwide. Click here for a closer look at our latest projects.

    Description

    The Mercury F10A is a 6 x 32mm quick blow fuse rated at 10A and 250V, designed to break a circuit within milliseconds of an overload condition. The glass body allows visual inspection of the fuse element, and the nickel-plated brass end caps fit standard 6 x 32mm fuse holders used in UK consumer units, amplifiers, power supplies and distribution boards.

    Quick blow fuses operate faster than slow-blow or time-delay types, making them suited to circuits where sensitive electronics or components need immediate protection from overcurrent rather than tolerating brief inrush surges. The 10A rating handles continuous loads up to 2,300W on 230V mains, with the fuse element designed to melt and open the circuit at approximately 135% of rated current within 10-100 milliseconds depending on fault magnitude.

    The Mercury range meets IEC 60127 standards for miniature fuses, ensuring consistent breaking capacity and dimensional accuracy across production batches. The 6 x 32mm cartridge format is one of the most common fuse sizes in European and UK electrical equipment, making these fuses direct replacements for existing installations without adaptor hardware. The glass body is robust enough for typical handling but should be protected from impact during storage and installation.

    Frequently Asked

    What's the difference between quick blow and slow blow fuses?

    Quick blow fuses open the circuit within milliseconds of detecting an overcurrent, providing immediate protection for sensitive electronics. Slow blow (or time-delay) fuses tolerate brief inrush currents from motors or transformers before breaking, making them unsuitable for circuits where fast protection is needed.

    Are these fuses reusable after they blow?

    No. Once the internal element melts and breaks the circuit, the fuse must be replaced. Attempting to bypass or repair a blown fuse creates a fire and equipment damage risk.

    What voltage rating do I need?

    These fuses are rated for 250V systems, which covers UK 230V mains and most European electrical installations. Do not use fuses rated below the circuit voltage — a 250V-rated fuse used on a 230V circuit provides appropriate headroom.

    How do I know when the fuse has blown?

    The glass body allows visual inspection. A blown fuse will show a broken or blackened element inside the tube. If the element appears intact but the circuit is dead, remove the fuse and test continuity with a multimeter.

    Shipping & Returns

    Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

    Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

    To arrange a return, call us on 020 8149 5199 or use our contact page.