IV-Electronic Klaus Vespermann · Electronic Components
RS400-1AU1K1
Relay, Electromagnetic
Part NumberRS400-1AU1K1
ManufacturerIV-Electronic Klaus Vespermann
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-686-8523 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Environmental ProtectionHERMETIC
Terminal Type And Quantity5 PIN ALL FUNCTIONS
Duty TypeCONTINUOUS
Mounting Facility Type And Quantit2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Coil Quantity1
Overall Height1.750 INCHES NOMINAL
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Overall Width1.000 INCHES NOMINAL
Thread Class2A SINGLE MOUNTING FACILITY
Nominal Operating Current Rating A4.5 MILLIAMPERES DC SINGLE WINDING
Cancelled NSN5945-00-677-8286 (cancelled)
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 RS400-1AU1K1 available?
We can source RS400-1AU1K1 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 RS400-1AU1K1 by IV-Electronic Klaus Vespermann obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS400-1AU1K1 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 RS400-1AU1K1?
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 RS400-1AU1K1?
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.