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Siemens Energy And Automation Inc. Ite Circuit Protection Div  · Electronic Components

ED43B040

Circuit Breaker

Part NumberED43B040
ManufacturerSiemens Energy And Automation Inc. Ite Circuit Protection Div
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release MethodTHERMAL ALL LOCATIONS
Maximum Interrupting Capacity Curr18000.0 AC ALL LOCATIONS
Circuit Protection TypeOVERVOLTAGE ALL LOCATIONS
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Operating Voltage Type And Rating480.0 AC ALL LOCATIONS
Overall Length6.344 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.196 INCHES NOMINAL
Fragility FactorMODERATELY RUGGED
Manual Actuator Type And Quantity1 TOGGLE
Pole Quantity3
Inclosure Protection Type For WhicDUSTPROOF AND FUNGUS PROOF
Cancelled NSN5925-01-268-0420 (cancelled)
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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 ED43B040 available?
We can source ED43B040 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 ED43B040 by Siemens Energy And Automation Inc. Ite Circuit Protection Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ED43B040 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 ED43B040?
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 ED43B040?
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.