L3Harris Maritime Power & Energy Solutions, Inc. · Electronic Components
ET4026
Circuit Breaker
Part NumberET4026
ManufacturerL3Harris Maritime Power & Energy Solutions, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-660-3817 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Operating Voltage Type And Rating600.0 AC AND 250.0 DC ALL LOCATIONS
Unthreaded Mounting Hole Diameter0.190 INCHES NOMINAL
Center To Center Distance Between1.500 INCHES NOMINAL
Pole Quantity3
Distance Between Centerlines Of Mo4.594 INCHES NOMINAL
Boss Height0.219 INCHES NOMINAL
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Cancelled NSN5925-00-300-0268 (cancelled)
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 ET4026 available?
We can source ET4026 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 ET4026 by L3Harris Maritime Power & Energy Solutions, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ET4026 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 ET4026?
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 ET4026?
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.