Eaton · Electronic Components
ARD420SR
TYPE AR RELAY 4P 120VDC
Part NumberARD420SR
ManufacturerEaton
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-316-9401 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Terminals4 SCREW ALL FUNCTIONS
Overall Length3.125 INCHES NOMINAL
Overall Width2.875 INCHES NOMINAL
Overall Height4.625 INCHES NOMINAL
Winding Quantity1
Nonpile Up Main Contact Arrangemen2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Cubic Measure41.553 CUBIC INCHES
Mounting Facility Type And Quantit1 BRACKET(S) SINGLE MOUNTING FACILITY
Storage TypeGENERAL PURPOSE WAREHOUSE
Main Contact Maximum Voltage Ratin125.0 DC
Federal Supply Class5945 — Relays And Solenoids
Terminal Type And Quantity4 SCREW ALL FUNCTIONS
Main Contact Load Current Rating A10.0 AMPERES DC RESISTIVE LOAD
Purpose For Which DesignedGENERAL
Duty TypeINTERMITTENT
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 ARD420SR available?
We can source ARD420SR 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 ARD420SR by Eaton obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ARD420SR 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 ARD420SR?
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 ARD420SR?
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.