Se Relays LLC (Magnecraft) · Electronic Components
W99DX3
Relay, Electromagnetic
Part NumberW99DX3
ManufacturerSe Relays LLC (Magnecraft)
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-243-2040 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width2.500 INCHES NOMINAL
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A50.0 AMPERES AC RESISTIVE LOAD
Overall Length2.500 INCHES NOMINAL
Winding Dc Resistance Rating290.0 OHMS NOMINAL SINGLE WINDING
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height2.187 INCHES MAXIMUM
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Main Contact Maximum Voltage Ratin115.0 AC
Operating Voltage Rating And Type24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
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 W99DX3 available?
We can source W99DX3 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 W99DX3 by Se Relays LLC (Magnecraft) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W99DX3 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 W99DX3?
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 W99DX3?
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.