Eaton Ceramic Cartridge Fuse 40A, 415V AC, 23 x 57 mm, gG, KR85 Series 40KR85

The Eaton 40KR85 Ceramic Cartridge Fuse is a high-performance overcurrent protective device engineered to safeguard industrial and commercial electrical infrastructure. With a current rating of 40A and a voltage rating of 415V AC, this fuse is suitable for a broad range of distribution applications, ensuring equipment and circuit integrity under typical fault conditions.

Designed to the demanding gG application category, this fuse supports general purpose protection for power distribution and control panels. The standard 23 x 57 mm form factor enables direct replacement in compatible fuse holders and assemblies, offering flexibility during installation or maintenance. Its robust ceramic body ensures reliable thermal withstand and electrical insulation, minimizing risk of thermal deformation or arc-tracking even during prolonged overcurrent events.

The Eaton 40KR85 is certified to BS 88-3 standards, guaranteeing consistent performance and safety, and is part of the widely regarded KR85 Series. The precision construction and tightly monitored production contribute to low let-through energy, fast circuit interruption, and extended service life in industrial settings.

Main applications include LV distribution boards, house service fuse-links, control panels in energy, commercial facilities, and general machinery requiring reliable overcurrent protection. The fuse incorporates a 23 mm diameter and 57 mm overall length, providing a compact, easily serviced component for electrical engineers and panel builders.

Selected for long-term dependability in environments where protection from excessive currents is crucial, the Eaton 40KR85 is ideal for circuit designers, maintenance technicians, and facility managers requiring a trustworthy, standards-compliant protective solution for modern electrical distribution systems.

Rated for 40A to protect cables and equipment from damaging overloads and short circuits. Operates at 415V AC, suitable for a wide range of industrial electrical panels and low voltage circuits. Constructed from durable ceramic material, offering high resistance to thermal and electrical stress.

Standardized 23 x 57 mm dimensions enable use in common cartridge fuse holders. Application Category gG, providing full-range protection for both cable and equipment. Compliant with BS 88-3, ensuring performance integrity and safety in critical systems.

Clearly labeled as part of the KR85 Series with model code 40KR85 for traceability. Made in India, suitable for use in distribution networks, industrial switchgear, and control applications. For more high-reliability circuit protection solutions, discover additional Eaton fuses and electrical accessories on EnvMart.

Explore more products in our Electrical Fuse category.