L3Harris Maritime Power & Energy Solutions, Inc. · Electronic Components
ETN9721
Tripper, Circuit Breaker
Part NumberETN9721
ManufacturerL3Harris Maritime Power & Energy Solutions, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-242-2582 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Height8.312 INCHES NOMINAL
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Unthreaded Mounting Hole Diameter0.406 INCHES NOMINAL
Overall Width9.000 INCHES NOMINAL
Frequency In Hertz60.0 ALL LOCATIONS
Maximum Continuous Load Current Ra600.0 AMPERES AC ALL LOCATIONS
Overall Length16.500 INCHES NOMINAL
Terminal Type And Quantity6 THREADED STUD
Ultimate Trip Rating Of Continuous125.0 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 ETN9721 available?
We can source ETN9721 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 ETN9721 by L3Harris Maritime Power & Energy Solutions, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ETN9721 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 ETN9721?
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 ETN9721?
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.