Square D · Electronic Components
QO380
MINI CIRCUIT BREAKER 240V 80A
Part NumberQO380
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-309-1553 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals6 COMPRESSION
Overall Length3.500 INCHES NOMINAL
Overall Width2.910 INCHES NOMINAL
Overall Height2.310 INCHES NOMINAL
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS
Mounting Facility Type And Quantit3 CLIP
Storage TypeGENERAL PURPOSE WAREHOUSE
Pole Quantity3
Federal Supply Class5925 — Circuit Breakers
Fragility FactorMODERATELY RUGGED
Inclosure Protection Type For WhicGENERAL PURPOSE
Actuator FunctionTRIP-RESET
Frequency In Hertz60.0 ALL LOCATIONS
Actuator Position DesignationAT POLE TWO
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 QO380 available?
We can source QO380 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 QO380 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO380 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 QO380?
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 QO380?
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.