Bussmann · Electronic Components
FWX-300A
FUSE 300A 250V HS FERRULE
Part NumberFWX-300A
ManufacturerBussmann
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-674-5880 (NSN)
Federal Item NameFUSE,CARTRIDGE
MaterialCOPPER TERMINAL; PLASTIC SILICONE CASE
Overall Length3.844 INCHES NOMINAL
Overall Diameter1.500 INCHES NOMINAL
Body StyleHOLE TYPE
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Surface TreatmentSILVER TERMINAL
Mounting Hole Diameter0.406 INCHES NOMINAL
Maximum Voltage Rating In Volts250.0 DC
Terminal Thickness0.250 INCHES NOMINAL
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Federal Supply Class5920 — Fuses, Arrestors, Absorbers, And Protectors
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is FWX-300A available?
We can source FWX-300A even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is FWX-300A by Bussmann obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FWX-300A has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like FWX-300A?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for FWX-300A?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.