Kato Engineering · Electronic Components
501-15311-20
Relay, Electromagnetic
Part Number501-15311-20
ManufacturerKato Engineering
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-166-9327 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width6.250 INCHES NOMINAL
Coil Quantity2
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Ratin600.0 AC
Terminal Type And Quantity10 PIN ALL FUNCTIONS
Operating Voltage Rating And Type480.0 VOLTS AC 25 DEG CELSIUS ALL WINDINGS
Main Contact Load Current Rating A90.0 AMPERES AC RESISTIVE LOAD
Winding Quantity2
Center To Center Distance Between9.000 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
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 501-15311-20 available?
We can source 501-15311-20 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 501-15311-20 by Kato Engineering obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 501-15311-20 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 501-15311-20?
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 501-15311-20?
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.