Tdk-Lambda Americas Inc. · Electronic Components
520577
Relay, Electromagnetic
Part Number520577
ManufacturerTdk-Lambda Americas Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-084-5727 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Frequency In Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Main Contact Load Current Rating A30.0 AMPERES AC RESISTIVE LOAD
Coil Quantity1
Overall Length3.625 INCHES NOMINAL
Center To Center Distance Between2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Width2.250 INCHES NOMINAL
Operating Voltage Rating And Type110.0 VOLTS AC NONSTANDARD TEMP AND 120.0 VOLTS AC NONSTANDARD TEMP ALL WINDINGS
Main Contact Maximum Voltage Ratin600.0 AC
Terminal Type And Quantity20 SCREW ALL FUNCTIONS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.113 INCHES NOMINAL SINGLE MOUNTING FACILITY
Vendor Part Numbers207083
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 520577 available?
We can source 520577 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 520577 by Tdk-Lambda Americas Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520577 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 520577?
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 520577?
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.