L3Harris Maritime Power & Energy Solutions, Inc. · Electronic Components
ETN5957
Circuit Breaker
Part NumberETN5957
ManufacturerL3Harris Maritime Power & Energy Solutions, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-366-1915 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating500.0 AC ALL LOCATIONS
Maximum Interrupting Capacity Curr5000.0 AC ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Circuit Protection TypeUNDERVOLTAGE ALL LOCATIONS
Terminal Type And Quantity3 TURRET
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Reset MethodAUTOMATIC
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Pole Quantity3
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 ETN5957 available?
We can source ETN5957 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 ETN5957 by L3Harris Maritime Power & Energy Solutions, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ETN5957 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 ETN5957?
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 ETN5957?
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.