Eaton Corporation · Electronic Components
AR4H
Relay, Electromagnetic
Part NumberAR4H
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-203-3806 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length3.125 INCHES MAXIMUM
MaterialPLASTIC CASE
Purpose For Which DesignedGENERAL
Frequency In Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Nonpile Up Main Contact Arrangemen4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin240.0 AC
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY
Time Delay0.014 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Storage TypeGENERAL PURPOSE WAREHOUSE
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 AR4H available?
We can source AR4H 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 AR4H by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AR4H 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 AR4H?
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 AR4H?
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.