Square D · Electronic Components
QO110
CIRCUIT BREAKER, THERMAL MAGNETIC, 1P, 10A
Part NumberQO110
ManufacturerSquare D
AvailabilityIn stock — ships fast
Specifications
NSN5925-00-919-1338 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals1 CLIP AND 1 SCREW
Body StyleSINGLE POLE TYPE
Main Contact Tripping Mechanism TyTRIP FREE
Body Length3.000 INCHES NOMINAL
Reset MethodMANUAL
Operating Voltage Type And Rating120.0 AC SINGLE LOCATION
Maximum Continuous Load Current Ra10.0 AMPERES AC SINGLE LOCATION
Ultimate Trip Rating Of Continuous100.0 SINGLE LOCATION
Trip Release CharacteristicINSTANTANEOUS SINGLE LOCATION
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 QO110 in stock?
Yes — QO110 is in our stock database. Request a quote for current pricing and lead time.
Is QO110 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO110 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 QO110?
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 QO110?
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.