RS PRO 40A British Standard Fuse, A3, 550V ac, 73.5mm

This British Standard Fuse is designed for reliable electrical protection in various applications. With a current rating of 40A and a voltage rating of 550V AC, it adheres to BS 88 and IEC 269 standards. Compactly sized at 21mm in diameter and 54mm in length, this high rupture capacity fuse provides essential safeguards for electrical circuits.

• Offers a current rating of 40A for robust performance
• High rupture capacity ensures safety during overloads
• Meets BS 88 and IEC 269 standards for reliability
• Bolted tag design provides secure connections
• A3 fuse size allows compatibility with various enclosures
• gG fuse rating suitable for general applications

• Used in industrial electrical installations for circuit protection
• Applicable in automation systems where overload safety is crucial
• Ideal for installations using 550V AC supply for reliable performance
• Utilised in machinery and equipment requiring a 40A fuse rating

The bolted tag design ensures a secure and stable connection, reducing the risk of disconnection during high-load situations and providing reliable circuit protection in demanding environments.

The pre-arcing time is rated at 1400ms at 415V, which allows for improved safety by enabling prompt response to overload conditions, thus minimising potential damage.

The gG rating indicates that it is suitable for applications requiring high inrush current tolerance, making it ideal for protecting motors, transformers, and similar equipment where initial current surges may occur.