L3Harris Maritime Power & Energy Solutions · Electronic Components
494250-308
Relay, Thermal
Part Number494250-308
ManufacturerL3Harris Maritime Power & Energy Solutions
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-543-8081 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Heater Voltage Rating In Volts6.3
Delay Time In Seconds40.0 FIXED OPERATE NOMINAL
Heater Power Rating In Watts4.0
Overall Height2.375 INCHES NOMINAL
Overall Length1.375 INCHES NOMINAL
Terminal Type And Quantity4 PIN
Contact Maximum Current Rating In6.0 AC
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Contact Maximum Voltage Rating In115.0 AC
Overall Width1.000 INCHES NOMINAL
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Vendor Part NumbersRF40NC6-3V40SEC
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 494250-308 available?
We can source 494250-308 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 494250-308 by L3Harris Maritime Power & Energy Solutions obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 494250-308 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 494250-308?
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 494250-308?
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.