Eaton · Electronic Components
GHB3040
CIRCUIT BREAKER, THERMAL MAG, 3P, 40A
Part NumberGHB3040
ManufacturerEaton
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-311-3644 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals3 COMPRESSION AND 3 TAB W/SCREW
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Distance Between Centerlines Of Mo1.000 INCHES NOMINAL
Center To Center Distance Between3.789 INCHES NOMINAL
Storage TypeGENERAL PURPOSE WAREHOUSE
Special Handling FeatureMAGNETIC
Arc Quenching MethodMAGNETIC BLOWOUT
Pole Quantity3
Mounting Facility Type And Quantit3 SLOT AND 3 TERMINAL
Federal Supply Class5925 — Circuit Breakers
Boss Height0.188 INCHES NOMINAL
Fragility FactorMODERATELY RUGGED
Actuator Position DesignationAT POLE TWO
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 GHB3040 available?
We can source GHB3040 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 GHB3040 by Eaton obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If GHB3040 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 GHB3040?
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 GHB3040?
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.