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Eaton  · Electronic Components

KD3400

TYPE KD BREAKER 3P 400A 600VAC MAX 25KAIC @ 600V

Part NumberKD3400
ManufacturerEaton
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Pole Quantity3
Arc Quenching MethodAIR
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Operating Voltage Type And Rating600.0 AC AND 250.0 DC ALL LOCATIONS
Reset MethodMANUAL
Maximum Continuous Load Current Ra400.0 AMPERES AC AND 400.0 AMPERES DC ALL LOCATIONS
Frequency In Hertz50.0 OR 60.0 ALL LOCATIONS
Federal Supply Class5925 — Circuit Breakers
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS
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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 KD3400 available?
We can source KD3400 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 KD3400 by Eaton obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KD3400 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 KD3400?
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 KD3400?
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.