Square D · Electronic Components
QOU280
CIRCUIT BREAKER, THERMAL MAG, 2P, 80A
Part NumberQOU280
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-512-8651 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals4 SCREW
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Operating Voltage Type And Rating240.0 AC ALL LOCATIONS
Trip Release MethodMAGNETIC AND THERMAL ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Pole Quantity2
Mounting Facility Type And Quantit4 SLOT
Manual Actuator Type And Quantity1 TOGGLE
Frequency In Hertz60.0 ALL LOCATIONS
Federal Supply Class5925 — Circuit Breakers
Terminal Type And Quantity4 SCREW
Reset MethodMANUAL
ESD/EMICode A — ESD/EMI sensitive item
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 QOU280 available?
We can source QOU280 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 QOU280 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QOU280 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 QOU280?
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 QOU280?
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.