Se Relays LLC (Magnecraft) · Electronic Components
W21ACQX-4
Relay, Electromagnetic
Part NumberW21ACQX-4
ManufacturerSe Relays LLC (Magnecraft)
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-378-7603 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity8 TAB, SOLDER LUG ALL FUNCTIONS
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Duty TypeCONTINUOUS
Energizing Element Power Rating8.0 VOLTS-AMPERES
Operating Voltage Rating And Type240.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Winding Quantity1
Overall Width1.453 INCHES NOMINAL
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Precious Material And LocationCONTACTS SILVER
Overall Height2.313 INCHES NOMINAL
Time Delay1.00 SECONDS MINIMUM AND 2.00 SECONDS MAXIMUM FIXED OPERATE TIME
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 W21ACQX-4 available?
We can source W21ACQX-4 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 W21ACQX-4 by Se Relays LLC (Magnecraft) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W21ACQX-4 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 W21ACQX-4?
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 W21ACQX-4?
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.