L3Harris Maritime Power & Energy Solutions, Inc. · Electronic Components
ETN8459
Tripper, Circuit Breaker
Part NumberETN8459
ManufacturerL3Harris Maritime Power & Energy Solutions, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-035-5128 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating500.0 AC ALL LOCATIONS500.0 AC ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONSTHERMAL-MAGNETIC ALL LOCATIONS
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS125.0 ALL LOCATIONS
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL0.250 INCHES NOMINAL
Body StyleRECTANGULAR DIMENSIONAL ENVELOPERECTANGULAR DIMENSIONAL ENVELOPE
Circuit Protection TypeOVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
Actuator FunctionTRIP-RESETTRIP-RESET
Overall Width9.000 INCHES NOMINAL9.000 INCHES NOMINAL
Adjustable Trip Setting Current Ra+1900.0 TO 3500.0 AC ALL LOCATIONS+1900.0 TO 3500.0 AC ALL LOCATIONS
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS50.0 CELSIUS NOMINAL ALL LOCATIONS
Maximum Continuous Load Current Ra500.0 AMPERES AC ALL LOCATIONS500.0 AMPERES AC 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 ETN8459 available?
We can source ETN8459 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 ETN8459 by L3Harris Maritime Power & Energy Solutions, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ETN8459 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 ETN8459?
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 ETN8459?
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.