Philmore FH503 — Fuse Holder Block, 5 x 20 mm, 6.3 A Rated The Philmore FH503 is a compact fuse holder block designed to accept standard 5 x 20 mm (metric) fuses and provide reliable overcurrent protection at a 6.3 amp rating. It offers a straightforward way to mount and service fuses in electrical assemblies, reducing downtime during repairs and routine maintenance. The block form factor helps keep fuses organized and accessible, simplifying replacement for field service technicians. By accommodating the common 5 x 20 mm fuse size, this holder is compatible with a wide range of low-voltage protection applications. The FH503 is useful where a durable, repeatable fuse connection is required without modifying existing circuitry. Its simple design minimizes installation complexity and helps ensure consistent electrical contact over repeated service cycles. Use the FH503 wherever a compact, metric fuse-holder solution is needed for protection or maintenance tasks. Key Features: Accepts 5 x 20 mm (metric) fuses Rated 6.3 A for overcurrent protection Block form factor for organized fuse mounting Designed for easy fuse insertion and replacement Specifications: Manufacturer: Philmore MPN: FH503 UPC: 0038975485034 Applications include field installations and low-voltage technician service where quick fuse replacement is required, OEM equipment that uses 5 x 20 mm fuses for circuit protection, and MRO operations performing routine maintenance and repairs. The compact block design suits panel- or enclosure-mounted fuse arrangements and service-accessible assemblies. Tri-Tek Electronics is an authorized distributor of this product and offers full manufacturer warranty support with nationwide availability.





