Siemens Energy & Automation · Electronic Components
3RH1140-1BB40
Relay, Electromagnetic
Part Number3RH1140-1BB40
ManufacturerSiemens Energy & Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-296-6714 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Fragility FactorMODERATELY RUGGED
Overall Height64.0 MILLIMETERS NOMINAL
Nonpile Up Main Contact Arrangemen4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Overall Width48.0 MILLIMETERS NOMINAL
Center To Center Distance Between35.0 MILLIMETERS MINIMUM AND 38.0 MILLIMETERS MAXIMUM SINGLE MOUNTING FACILITY
Mounting Slot Width4.8 MILLIMETERS NOMINAL SINGLE MOUNTING FACILITY
Purpose For Which DesignedGENERAL
MaterialPLASTIC CASE
Arc Quenching MethodAIR
Winding Quantity1
Operating Voltage Rating And Type24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
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 3RH1140-1BB40 available?
We can source 3RH1140-1BB40 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 3RH1140-1BB40 by Siemens Energy & Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3RH1140-1BB40 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 3RH1140-1BB40?
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 3RH1140-1BB40?
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.