Westinghouse Electric Corp. · Electronic Components
HF3040V
Circuit Breaker
Part NumberHF3040V
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-757-7242 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Frequency In Hertz60.0 ALL LOCATIONS
Reset MethodMANUAL
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Body Width4.125 INCHES NOMINAL
Trip Delay Time In Seconds Per Rat30.000 MINIMUM AT 200 PCT AND 85.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Distance Between Centerlines Of Mo4.500 INCHES NOMINAL
Trip Release Ambient Temp Rating50.0 CELSIUS MAXIMUM ALL LOCATIONS
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Actuator FunctionTRIP-RESET
Manual Actuator Type And Quantity1 TOGGLE
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 HF3040V available?
We can source HF3040V 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 HF3040V by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HF3040V 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 HF3040V?
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 HF3040V?
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.