Square D · Electronic Components
QO320L125G
LOAD CENTER QO MLO 240V 125A 3PH 20SP
Part NumberQO320L125G
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-382-3323 (NSN)
Federal Item NameCIRCUIT BREAKER BOX
MaterialPLASTIC
Mounting MethodUNTHREADED HOLE(S)
Overall Width14.250 INCHES NOMINAL
Overall Height20.920 INCHES NOMINAL
Circuit Breaker Type And Quantity20 TRIPLE POLE
Main Line Maximum Ac Voltage Ratin2540.0
Overall Depth3.750 INCHES NOMINAL
Circuit Breaker Current Rating In125.0
Main Line Maximum Current Rating I125.0
Style DesignatorSQUARE, FLUSH MOUNTING
Federal Supply Class5925 — Circuit Breakers
Unthreaded Mounting Hole Diameter0.500 INCHES NOMINAL
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 QO320L125G available?
We can source QO320L125G 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 QO320L125G by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO320L125G 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 QO320L125G?
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 QO320L125G?
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.