Westinghouse Electric · Electronic Components
BF40F
Relay, Electromagnetic
Part NumberBF40F
ManufacturerWestinghouse Electric
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-585-6908 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Maximum Voltage Ratin120.0 AC
Coil Quantity1
Duty TypeINTERMITTENT
Terminal Type And Quantity8 WIRE LEAD ENERGIZING ELEMENT
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Frequency In Hertz60.0 NOMINAL
Arc Quenching MethodAIR
Overall Width1.968 INCHES NOMINAL
Overall Height3.218 INCHES NOMINAL
Overall Length3.125 INCHES NOMINAL
Winding Quantity1
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 BF40F available?
We can source BF40F 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 BF40F by Westinghouse Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BF40F 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 BF40F?
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 BF40F?
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.