L3Harris Maritime Power & Energy Solutions, Inc. · Electronic Components
KN540R
Circuit Breaker
Part NumberKN540R
ManufacturerL3Harris Maritime Power & Energy Solutions, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-089-2928 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Unthreaded Mounting Hole Diameter0.438 INCHES NOMINAL
Features ProvidedADJUSTABLE TRIP RELEASE
Pole Quantity3
Mounting Facility Type And Quantit6 UNTHREADED HOLE(S)
Reference Number Differentiating CAS DIFFERENTIATED BY TIME BAND 3
Terminal Type And Quantity6 BUS BAR
Frequency In Hertz60.0 ALL LOCATIONS
Manual Actuator Type And Quantity1 PUSH BUTTON
Auxiliary Switch Function And Quan1 ALARM
Nondefinitive Spec Std DataACB640R TYPE
Adjustable Trip Setting Current Ra+960.0 TO 1600.0 AC ALL LOCATIONS
Vendor Part Numbers704061X705705
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 KN540R available?
We can source KN540R 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 KN540R by L3Harris Maritime Power & Energy Solutions, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KN540R 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 KN540R?
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 KN540R?
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.