L3Harris Maritime Power & Energy Solutions · Electronic Components
CJ3-M300
Circuit Breaker
Part NumberCJ3-M300
ManufacturerL3Harris Maritime Power & Energy Solutions
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-030-9227 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS125.0 ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
Reset MethodMANUALMANUAL
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONSTHERMAL-MAGNETIC ALL LOCATIONS
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONSINSTANTANEOUS ALL LOCATIONS
Maximum Continuous Load Current Ra300.0 AMPERES AC ALL LOCATIONS300.0 AMPERES AC ALL LOCATIONS
Maximum Interrupting Capacity Curr100000.0 AC ALL LOCATIONS100000.0 AC ALL LOCATIONS
Operating Voltage Type And Rating600.0 AC ALL LOCATIONS600.0 AC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREETRIP FREE
Center To Center Distance Between13.938 INCHES NOMINAL13.938 INCHES NOMINAL
Boss Height0.250 INCHES NOMINAL0.250 INCHES NOMINAL
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 CJ3-M300 available?
We can source CJ3-M300 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 CJ3-M300 by L3Harris Maritime Power & Energy Solutions obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CJ3-M300 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 CJ3-M300?
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 CJ3-M300?
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.