Siemens Energy & Automation, Inc. · Electronic Components
5SB251
Fuse, Cartridge
Part Number5SB251
ManufacturerSiemens Energy & Automation, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-293-9924 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Body StyleD-TYPE (DIAZED)
Continuous Current Rating In Amps10.000
Interruption Indicator MethodOPAQUE BODY
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 5SB251 available?
We can source 5SB251 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 5SB251 by Siemens Energy & Automation, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5SB251 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 5SB251?
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 5SB251?
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.