Cooper Wheelock · Electronic Components
3421-1A-6
Relay, Electromagnetic
Part Number3421-1A-6
ManufacturerCooper Wheelock
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-016-0559 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity1
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Winding Dc Resistance Rating240.0 OHMS NOMINAL SINGLE WINDING
Time Delay0.0005 SECONDS MAXIMUM FIXED OPERATE TIME
Main Contact Maximum Voltage Ratin250.0 AC
Duty TypeCONTINUOUS
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Main Contact Load Current Rating A500.0 MILLIAMPERES AC RESISTIVE LOAD
Operating Voltage Rating And Type6.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Overall Height0.281 INCHES NOMINAL
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 3421-1A-6 available?
We can source 3421-1A-6 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 3421-1A-6 by Cooper Wheelock obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3421-1A-6 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 3421-1A-6?
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 3421-1A-6?
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.