TE Connectivity · Industrial Relays
KR3AH120
Relay, Electromagnetic
Part NumberKR3AH120
ManufacturerTE Connectivity
LifecycleObsolete
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-173-2936 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Mounting Facility Type And Quantit1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin120.0 AC AND 120.0 DC
Winding Quantity1
Duty TypeCONTINUOUS
Overall Height1.520 INCHES NOMINAL
Main Contact Load Current Rating A20.0 AMPERES AC AND 20.0 AMPERES DC RESISTIVE LOAD
Overall Width1.500 INCHES NOMINAL
Overall Length1.580 INCHES NOMINAL
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Thread Class2A SINGLE MOUNTING FACILITY
Cancelled NSN5945-00-443-3875 (cancelled)
Standard Pack Qty35
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 KR3AH120 available?
We can source KR3AH120 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 KR3AH120 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KR3AH120 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 KR3AH120?
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 KR3AH120?
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.