Eaton Ceramic Cartridge Fuse 630mA Fast Acting 5 x 20 mm, 250V S501-630-R

Eaton S501-630-R Ceramic Cartridge Fuse, rated for 630mA current and 250V AC voltage, offers fast acting overcurrent protection within a compact 5 x 20 mm form factor. The fuse is designed for rapid interruption of fault currents in low-power electronic and electrical circuits, ensuring safe operation of sensitive equipment.

This fuse features a ceramic body with metal end caps, delivering superior thermal stability and higher breaking capacity compared to polymer-bodied alternatives. The fast-blow characteristic provides quick clearing of short-duration electrical faults, important for protecting miniature power supplies, adapters, and relay modules in automation systems.

The S501-630-R series matches international performance and dimensional standards, complying with recognized certifications such as BSI, VDE, SEMKO, IMQ, CSA, and CCC. The fuse is suitable for use in a wide range of industrial, commercial, and laboratory applications where reliable circuit protection is critical.

The product is also available with an axial-lead option featuring tinned copper wire and nickel-plated brass end caps for easy through-hole PCB mounting or wire-ended assemblies. Various packaging formats support both volume manufacturing automation and manual feeding in production environments.

Fast-acting fuse characteristic designed to rapidly clear short-duration faults. Ceramic body construction provides enhanced thermal resilience and higher breaking capacity. Standard 5 x 20 mm fuse size suitable for typical cartridge fuse holders and clips.

Rated at 250V AC for use in mains voltage applications. Ideal for protecting control, instrument PCB circuits, and small transformers. Compatible with relay and sensor modules in automation equipment. Manufactured to comply with IEC specifications and recognized global standards including BSI, VDE, SEMKO, IMQ, CSA, and CCC.

Available with axial lead variant for through-hole or wire-ended mounting options.

This product is used extensively in electrical, industrial automation, manufacturing, and instrumentation setups for reliable circuit safeguarding. Eaton’s ceramic cartridge fuses such as S501-630-R remain a trusted solution for overcurrent protection in diverse industrial environments.

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