● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
L3Harris Maritime Power & Energy Solutions, Inc.  · Electronic Components

ETN8257

Tripper, Circuit Breaker

Part NumberETN8257
ManufacturerL3Harris Maritime Power & Energy Solutions, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Features ProvidedADJUSTABLE TRIP RELEASE
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Fragility FactorMODERATELY RUGGED
Actuator FunctionTRIP-RESET
Manual Actuator Type And Quantity1 TOGGLE
Frequency In Hertz60.0 ALL LOCATIONS
Adjustable Trip Setting Current Ra+3200.0 TO 5600.0 AC AND +3200.0 TO 5600.0 DC ALL LOCATIONS
Unpackaged Unit Weight4.100 POUNDS NOMINAL
Terminal Type And Quantity6 TURRET
Overall Width4.844 INCHES NOMINAL
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
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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

Frequently asked

Is ETN8257 available?
We can source ETN8257 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 ETN8257 by L3Harris Maritime Power & Energy Solutions, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ETN8257 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 ETN8257?
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 ETN8257?
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.