Littelfuse · Electronic Components
815003
Circuit Breaker
Part Number815003
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-012-9798 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Operating Voltage Type And Rating125.0 AC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Ultimate Trip Rating Of Continuous130.0 SINGLE LOCATION
Trip Release MethodMAGNETIC SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREE
Reset MethodMANUAL
Maximum Interrupting Capacity Curr800.0 AC SINGLE LOCATION
Overall Width0.531 INCHES NOMINAL
Maximum Continuous Load Current Ra3.67 AMPERES AC SINGLE LOCATION
Actuator FunctionRESET
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 815003 available?
We can source 815003 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 815003 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 815003 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 815003?
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 815003?
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.