Westinghouse Electric Corp. · Electronic Components
FDB3100
Circuit Breaker
Part NumberFDB3100
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-271-1646 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Width4.125 INCHES NOMINAL
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS
Actuator FunctionTRIP-RESET
Boss Height0.125 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.438 INCHES NOMINAL
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Center To Center Distance Between1.375 INCHES NOMINAL
Pole Quantity3
MaterialPLASTIC CASE
Terminal Type And Quantity6 COMPRESSION
Frequency In Hertz50.0 OR 60.0 ALL LOCATIONS
Cancelled NSN5925-00-898-0193 (cancelled)
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 FDB3100 available?
We can source FDB3100 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 FDB3100 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FDB3100 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 FDB3100?
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 FDB3100?
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.