Square D · Electronic Components
QOC30US
Circuit Breaker Accessory, Type QO Circuit Breakers, Load Centre Cover, QO Series
Part NumberQOC30US
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-957-0884 (NSN)
Federal Item NameCOVER,CIRCUIT BREAKER
MaterialSTEEL
Body Width0.375 INCHES NOMINAL
Mounting ConfigurationSIX 0.375 IN. DIA MTG HOLES SPACED 12.375 IN. C TO C ON TWO ROWS SPACED 11.375 IN. APART
Body Height26.250 INCHES NOMINAL
Body Length12.250 INCHES NOMINAL
Federal Supply Class5925 — Circuit Breakers
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 QOC30US available?
We can source QOC30US 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 QOC30US by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QOC30US 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 QOC30US?
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 QOC30US?
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.