L3Harris Maritime Power & Energy Solutions, Inc. · Electronic Components
ETN7972
Tripper, Circuit Breaker
Part NumberETN7972
ManufacturerL3Harris Maritime Power & Energy Solutions, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-248-1407 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating500.0 AC AND 250.0 DC ALL LOCATIONS
Terminal Type And Quantity6 COMPRESSION
Maximum Continuous Load Current Ra225.0 AMPERES AC AND 225.0 AMPERES DC ALL LOCATIONS
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS
Trip Delay Time In Seconds Per Rat2.500 MINIMUM AT 200 PCT AND 7.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Ultimate Trip Rating Of Continuous200.0 ALL LOCATIONS
Pole Quantity3
Overall Width3.891 INCHES NOMINAL
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Trip Release MethodMAGNETIC ALL LOCATIONS
Overall Height3.109 INCHES NOMINAL
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 ETN7972 available?
We can source ETN7972 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 ETN7972 by L3Harris Maritime Power & Energy Solutions, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ETN7972 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 ETN7972?
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 ETN7972?
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.