Eaton Corporation · Electronic Components
FB3040V
Circuit Breaker
Part NumberFB3040V
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-103-5145 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Distance Between Centerlines Of Mo4.500 INCHES NOMINAL
Arc Quenching MethodMAGNETIC BLOWOUT
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL
Center To Center Distance Between5.062 INCHES NOMINAL
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Fragility FactorMODERATELY RUGGED
Storage TypeGENERAL PURPOSE WAREHOUSE
Pole Quantity3
Boss Height0.125 INCHES NOMINAL
Trip Release Ambient Temp Rating50.0 CELSIUS MAXIMUM ALL LOCATIONS
Actuator FunctionTRIP-RESET
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 FB3040V available?
We can source FB3040V 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 FB3040V by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FB3040V 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 FB3040V?
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 FB3040V?
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.