Square D · Electronic Components
QOB220H
MINIATURE CIRCUIT BREAKER 240V 20A
Part NumberQOB220H
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-252-7782 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals2 TAB W/SCREW AND 2 CLIP
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Body Width1.480 INCHES NOMINAL
Pole Quantity2
Main Contact Tripping Mechanism TyTRIP FREE
Storage TypeGENERAL PURPOSE WAREHOUSE
Arc Quenching MethodAIR
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Operating Voltage Type And Rating240.0 AC ALL LOCATIONS
Federal Supply Class5925 — Circuit Breakers
Fragility FactorMODERATELY RUGGED
Mounting Facility Type And Quantit6 TERMINAL
Cubic Measure10.256 CUBIC INCHES
Maximum Continuous Load Current Ra20.0 AMPERES AC ALL LOCATIONS
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 QOB220H available?
We can source QOB220H 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 QOB220H by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QOB220H 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 QOB220H?
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 QOB220H?
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.