Choose this British Standard fuse from the RS PRO range to guard against short-circuits caused by high currents. Quick and convenient to fit, this A3-size fuse has bolts that attach it securely to the fuse holder when you mount it.

This fuse has a current rating of 40 A and voltage rating of 550 V AC. Self-rupturing, it will stand up to the high pressure generated during a short circuit. It will take between two to five seconds at five times the rated current to blow, and between 0.1 to 0.2 seconds at ten times the rated current, thanks to its general-purpose, gG rating.

Part of the RS PRO series, this British standard fuse has been stringently tested to ensure durability and consistency. BS 88 and IEC 60269 compliant, it meets the specifications for British standard fuses and can be used in all kinds of domestic appliances.

• Body length of 54.5 mm
• Overall length of 87 mm
• Body height of 54.5 mm
• Body diameter of 21 mm
• Fixing centres at 73.5 mm
• Voltage rating of 550 V AC
• A3 fuse size
• Current rating of 40 A
• General purpose (gG) fuse
• High rupture capacity
• Bolted tags
• BS 88 and IEC 269 compliant

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards