Te Connectivity Corporation · Time Delay & Timing Relays
2122DH3NH
Relay, Electromagnetic
Part Number2122DH3NH
ManufacturerTe Connectivity Corporation
LifecycleRestricted Availability
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-934-3204 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Nominal Operating Current Rating A21.0 MILLIAMPERES DC SINGLE WINDING
Center To Center Distance Between1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin240.0 AC AND 110.0 AC
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY
Coil Quantity1
Overall Width2.190 INCHES NOMINAL
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Winding Quantity1
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Height1.520 INCHES NOMINAL
Vendor Part Numbers402-0478-060
Standard Pack Qty3
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 2122DH3NH available?
We can source 2122DH3NH 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 2122DH3NH by Te Connectivity Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2122DH3NH 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 2122DH3NH?
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 2122DH3NH?
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.