Square D · Electronic Components
QO115
CIRCUIT BREAKER, THERMAL MAG, 1P, 15A
Part NumberQO115
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-818-4811 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals1 PIN AND 1 TAB, SOLDER LUG
Body StyleSINGLE POLE TYPE
Main Contact Tripping Mechanism TyTRIP FREE
Operating Voltage Type And Rating240.0 AC SINGLE LOCATION
Actuator FunctionTRIP W/SEPARATE RESET
Reset MethodMANUAL
Maximum Continuous Load Current Ra15.0 AMPERES AC SINGLE LOCATION
Ultimate Trip Rating Of Continuous125.0 SINGLE LOCATION
Mounting Facility Type And Quantit2 CLIP
Federal Supply Class5925 — Circuit Breakers
Boss Height0.250 INCHES NOMINAL
Frequency In Hertz60.0 SINGLE LOCATION
Pole Quantity1
Vendor Part Numbers1SB1066, 1021219-3, 666144-187
Cancelled NSN5925-00-682-4102 (cancelled)
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 QO115 available?
We can source QO115 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 QO115 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO115 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 QO115?
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 QO115?
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.