Lockheed Martin Corporation · Electronic Components
1211451-201
Circuit Breaker
Part Number1211451-201
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-394-8247 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Maximum Continuous Load Current Ra100.0 AMPERES AC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Operating Voltage Type And Rating240.0 AC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Pole Quantity3
Mounting Facility Type And Quantit6 THREADED HOLE(S)
Center To Center Distance Between1.026 INCHES NOMINAL
Boss Height0.210 INCHES NOMINAL
Nominal Thread Size0.138 INCHES
Actuator Position DesignationAT EACH POLE
External Actuator Linkage ArrangemONE, TWO, AND THREE LINKED
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 1211451-201 available?
We can source 1211451-201 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 1211451-201 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1211451-201 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 1211451-201?
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 1211451-201?
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.