● 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
NAVAIR/NAVSEA Design Activity  · Electronic Components

2903283-11

Circuit Breaker

Part Number2903283-11
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Main Contact Tripping Mechanism TyTRIP FREE
Maximum Interrupting Capacity Curr5000.0 AC ALL LOCATIONS
Ultimate Trip Rating Of Continuous115.0 ALL LOCATIONS
Reset MethodMANUAL
Trip Release MethodTHERMAL ALL LOCATIONS
Actuator Position DesignationAT EACH POLE
Body Length4.125 INCHES NOMINAL
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Boss Height0.125 INCHES NOMINAL
Thread Quantity Per Inch24
Distance Between Centerlines Of Mo2.938 INCHES NOMINAL
Vendor Part NumbersETN1044, 120A473-1, 1244C52G12
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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 2903283-11 available?
We can source 2903283-11 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 2903283-11 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2903283-11 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 2903283-11?
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 2903283-11?
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.