Square D · Electronic Components
QO315
MINIATURE CIRCUIT BREAKER 240V 15A
Part NumberQO315
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-129-4134 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals3 CLIP AND 3 SCREW
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Maximum Continuous Load Current Ra15.0 AMPERES AC ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Maximum Interrupting Capacity Curr22000.0 AC ALL LOCATIONS
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Operating Voltage Type And Rating240.0 AC ALL LOCATIONS
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Reset MethodMANUAL
Federal Supply Class5925 — Circuit Breakers
Center To Center Distance Between0.740 INCHES NOMINAL
Pole Quantity3
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type And Quantit3 TERMINAL
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 QO315 available?
We can source QO315 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 QO315 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO315 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 QO315?
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 QO315?
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.