Eaton Corporation · Electronic Components
LD3400
Circuit Breaker
Part NumberLD3400
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-678-0581 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
MaterialPLASTIC CASE
Operating Voltage Type And Rating400.0 AC ALL LOCATIONS
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Maximum Continuous Load Current Ra400.0 AMPERES AC ALL LOCATIONS
Overall Length10.75 INCHES NOMINAL
Pole Quantity3
Overall Height4.06 INCHES NOMINAL
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Overall Width8.25 INCHES NOMINAL
Circuit Protection TypeOVERVOLTAGE ALL LOCATIONS
ESD/EMICode A — ESD/EMI sensitive item
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 LD3400 available?
We can source LD3400 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 LD3400 by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LD3400 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 LD3400?
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 LD3400?
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.