CAE USA · Electronic Components
278821
Relay, Thermal
Part Number278821
ManufacturerCAE USA
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-827-8686 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Overall Diameter1.271 INCHES MINIMUM AND 1.301 INCHES MAXIMUM
Heater Voltage Rating In Volts26.5
Overall Length1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
Environmental ProtectionDUSTPROOF
Contact Maximum Current Rating In1.5 AC
Contact ArrangementSINGLE POLE, DOUBLE THROW
Terminal Type And Quantity8 PIN
Mounting Facility Type And Quantit1 PLUG-IN
Delay Time In Seconds45.0 FIXED OPERATE NOMINAL
Contact Maximum Voltage Rating In230.0 AC
Heater Power Rating In Watts3.0
Vendor Part Numbers26-5-45B, 26-5-45SB, 26.5-45-SB, 68402007301
Cancelled NSN5945-00-581-3798 (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 278821 available?
We can source 278821 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 278821 by CAE USA obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 278821 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 278821?
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 278821?
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.