DRI Relays · Electronic Components
WR42HLG4A
Relay, Electromagnetic
Part NumberWR42HLG4A
ManufacturerDRI Relays
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-052-4173 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Maximum Voltage Ratin115.0 AC AND 26.5 DC
Overall Width1.840 INCHES NOMINAL
Winding Quantity1
Operating Voltage Rating And Type120.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Environmental ProtectionHERMETIC
Unthreaded Mounting Hole Diameter0.144 INCHES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A1.0 AMPERES AC AND 1.0 AMPERES DC INDUCTIVE LOAD
Center To Center Distance Between1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating9.5 KILOHMS NOMINAL SINGLE WINDING
Features ProvidedPOLARIZED
Vendor Part Numbers520M52, WJ42HLP6H, 271M0195P001
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 WR42HLG4A available?
We can source WR42HLG4A 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 WR42HLG4A by DRI Relays obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WR42HLG4A 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 WR42HLG4A?
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 WR42HLG4A?
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.