Caterpillar · Electronic Components
9Y-0951
Circuit Breaker
Part Number9Y-0951
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-350-4478 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Width1.250 INCHES NOMINAL
Reset MethodMANUAL
Trip Release MethodTHERMAL SINGLE LOCATION
Maximum Continuous Load Current Ra30.0 AMPERES DC SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Actuator FunctionRESET
MaterialPLASTIC CASE
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Distance Between Centerlines Of Mo1.574 INCHES NOMINAL
Storage TypeGENERAL PURPOSE WAREHOUSE
Cancelled NSN5925-01-207-0911 (cancelled)
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 9Y-0951 available?
We can source 9Y-0951 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 9Y-0951 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9Y-0951 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 9Y-0951?
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 9Y-0951?
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.