Square D · Electronic Components
QO2110
MINIATURE CIRCUIT BREAKER 120/240V 110A
Part NumberQO2110
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-674-6226 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals2 KNIFE BLADE
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Operating Voltage Type And Rating120.0 AC ALL LOCATIONS
Mounting Facility Type And Quantit1 PLUG-IN
Body Height2.91 INCHES NOMINAL
Body Length3.5 INCHES NOMINAL
Pole Quantity2
Body Width1.5 INCHES NOMINAL
Manual Actuator Type And Quantity1 PUSH-PULL
Federal Supply Class5925 — Circuit Breakers
Terminal Type And Quantity2 KNIFE BLADE
Actuator FunctionTRIP-RESET
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 QO2110 available?
We can source QO2110 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 QO2110 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO2110 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 QO2110?
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 QO2110?
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.