RS PRO 40A British Standard Fuse A3 550V AC High Rupture Capacity BAO Series 521-2630

RS PRO 521-2630 British Standard Fuse A3 40A 550V AC is an essential electrical protective component designed to safeguard circuits in industrial, automation, and manufacturing environments. This high rupture capacity fuse delivers dependable circuit protection against overloads and short circuits, aligning with IEC 269 and BS 88 international standards.

Its robust construction features an A3 size with a diameter of 21mm and an overall length of 87mm, allowing compatibility with various fuse holders and enclosures. The fuse rating of 40A and voltage rating of 550V AC make it ideal for demanding electrical installations where safety and reliability are critical. The bolted tag design provides a secure and stable connection which reduces risk of disconnection under high-load conditions.

The gG application category classification ensures suitability for general-purpose applications including the protection of motors, transformers, and other electrical equipment that experience high inrush currents. With a pre-arcing time rated at 1400 milliseconds at 415V, this fuse enables prompt disconnection during fault events, minimizing damage to installation and equipment.

This product is produced under the BAO series and carries a high rupture capacity assuring enhanced safety. Its compact size and precise fixing centres of 73.5 mm facilitate easy installation into switchgear panels and control systems across industrial plants, water treatment facilities, and commercial electrical setups.

Reliable current rating of 40A for robust electrical circuit protection. Designed for 550V AC voltage operation complying with international standards. Bolted tags ensure a stable, vibration-resistant electrical connection.

Compact A3 size suitable for a wide range of fuse holders and panels. gG category rating for general industrial and motor protection applications. High rupture capacity construction safeguards against severe electrical faults.

Precision dimensions guarantee compatibility with standard fuse channels. Fast pre-arcing time enhances safety by reducing exposure to overload damage. Manufactured in India ensuring adherence to quality benchmarks.

This RS PRO fuse is widely used in industrial electrical installations to protect equipment and ensure operator safety by providing timely fault isolation. It is ideal for use in automation systems, machinery, and equipment operating at 550V AC with current demands up to 40 amperes. Users will benefit from the compliance with IEC and British standards providing confidence in long-term electrical safety and reliability.

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