Square D · Electronic Components
QO342MQ200
LOAD CENTER QO MB 200A 3PH 42 CIRCUIT
Part NumberQO342MQ200
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-104-3047 (NSN)
Federal Item NameCIRCUIT BREAKER BOX
MaterialSTEEL
Mounting MethodUNTHREADED HOLE(S)
Overall Width12.125 INCHES NOMINAL
Overall Height34.125 INCHES NOMINAL
Center To Center Distance Between25.500 INCHES NOMINAL
Style DesignatorRECTANGULAR, FLUSH MOUNTING
Circuit Breaker Current Rating In30.0
Standard Mounting Pattern Designat4 POINT-RECTANGULAR
Circuit Breaker Type And Quantity40 SINGLE POLE
Storage TypeGENERAL PURPOSE WAREHOUSE
Federal Supply Class5925 — Circuit Breakers
Surface TreatmentPAINT
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 QO342MQ200 available?
We can source QO342MQ200 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 QO342MQ200 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO342MQ200 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 QO342MQ200?
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 QO342MQ200?
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.