Lockheed Martin · Electronic Components
LS7501B1
Circuit Breaker
Part NumberLS7501B1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-822-4340 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Ultimate Trip Rating Of Continuous138.0 SINGLE LOCATION
Maximum Interrupting Capacity Curr5000.0 AC AND 5000.0 DC SINGLE LOCATION
Operating Voltage Type And Rating120.0 AC AND 28.0 DC SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Release MethodTHERMAL SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Reset MethodMANUAL
Maximum Continuous Load Current Ra1.0 AMPERES AC AND 1.0 AMPERES DC SINGLE LOCATION
Bushing Length0.250 INCHES MAXIMUM
Actuator FunctionTRIP-RESET
Vendor Part Numbers1500-016-1
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 LS7501B1 available?
We can source LS7501B1 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 LS7501B1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LS7501B1 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 LS7501B1?
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 LS7501B1?
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.