Schneider Electric USA · Electronic Components
QO440MG150RB
Circuit Breaker Box Subassembly
Part NumberQO440MG150RB
ManufacturerSchneider Electric USA
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-014-7183 (NSN)
Federal Item NameCIRCUIT BREAKER BOX SUBASSEMBLY
Federal Supply Class5925 — Circuit Breakers
Cable Entrance Diameter2.500 INCHES NOMINAL
System For Which DesignedFOUR WIRE THREE PHASE
Storage TypeGENERAL PURPOSE WAREHOUSE
Center To Center Distance Between4.500 INCHES NOMINAL
Fragility FactorMODERATELY RUGGED
Features ProvidedCOVER
Mounting MethodUNTHREADED HOLE(S)
Entrance Type And Quantity12 DOUBLE CONCENTRIC KNOCKOUT AND 5 FOUR CONCENTRIC KNOCKOUT
Overall Width12.125 INCHES NOMINAL
Main Line Maximum Current Rating I150.0
Entrance Diameter Numeric Designat0.500/0.750 AND 1.250/1.500/2.000/2.500
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 QO440MG150RB available?
We can source QO440MG150RB 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 QO440MG150RB by Schneider Electric USA obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO440MG150RB 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 QO440MG150RB?
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 QO440MG150RB?
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.