L3Harris Maritime Power & Energy Solutions · Electronic Components
ETN5309
Circuit Breaker
Part NumberETN5309
ManufacturerL3Harris Maritime Power & Energy Solutions
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-105-0925 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Inclosure Protection Type For WhicDUSTPROOF
MaterialPLASTIC CASE
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL
Pole Quantity3
Storage TypeGENERAL PURPOSE WAREHOUSE
Fragility FactorMODERATELY RUGGED
Arc Quenching MethodMAGNETIC BLOWOUT
Features ProvidedADJUSTABLE TRIP RELEASE
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS
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 ETN5309 available?
We can source ETN5309 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 ETN5309 by L3Harris Maritime Power & Energy Solutions obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ETN5309 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 ETN5309?
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 ETN5309?
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.