Eaton Corporation · Electronic Components
ARB440A
Relay, Electromagnetic
Part NumberARB440A
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-158-4851 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity1
Main Contact Maximum Voltage Ratin120.0 AC AND 240.0 DC
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Environmental ProtectionDUSTPROOF
Nonpile Up Main Contact Arrangemen4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Slot Width0.025 INCHES NOMINAL SINGLE MOUNTING FACILITY
Coil Quantity1
Duty TypeCONTINUOUS
Overall Length3.562 INCHES NOMINAL
Overall Width3.437 INCHES NOMINAL
Frequency In Hertz60.0 NOMINAL
Vendor Part Numbers766A404G01
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 ARB440A available?
We can source ARB440A 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 ARB440A by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ARB440A 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 ARB440A?
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 ARB440A?
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.