Siemens Energy & Automation · Electronic Components
3TH8040-0AN1
Relay, Electromagnetic
Part Number3TH8040-0AN1
ManufacturerSiemens Energy & Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-299-3681 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length75.0 MILLIMETERS NOMINAL
Nonpile Up Main Contact Arrangemen4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Center To Center Distance Between35.0 MILLIMETERS NOMINAL SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type220.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Main Contact Maximum Voltage Ratin220.0 AC
Purpose For Which DesignedGENERAL
Coil Quantity1
Overall Height80.0 MILLIMETERS NOMINAL
Main Contact Load Current Rating A10.0 AMPERES AC RESISTIVE LOAD
Storage TypeGENERAL PURPOSE WAREHOUSE
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 3TH8040-0AN1 available?
We can source 3TH8040-0AN1 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 3TH8040-0AN1 by Siemens Energy & Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3TH8040-0AN1 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 3TH8040-0AN1?
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 3TH8040-0AN1?
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.