Siemens Electric Ltd. · Electronic Components
31140
Circuit Breaker
Part Number31140
ManufacturerSiemens Electric Ltd.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-949-2966 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Reset MethodMANUAL
Main Contact Tripping Mechanism TyTRIP FREE
Storage TypeGENERAL PURPOSE WAREHOUSE
Vendor Part NumbersP140
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 31140 available?
We can source 31140 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 31140 by Siemens Electric Ltd. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31140 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 31140?
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 31140?
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.