Square D · Electronic Components
QO330VH
MINIATURE CIRCUIT BREAKER 240V 30A
Part NumberQO330VH
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-343-8831 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals3 COMPRESSION AND 3 CLIP
Overall Length3.000 INCHES NOMINAL
Overall Width2.310 INCHES NOMINAL
Overall Height2.250 INCHES NOMINAL
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Maximum Interrupting Capacity Curr22000.0 AC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Maximum Continuous Load Current Ra30.0 AMPERES AC ALL LOCATIONS
Federal Supply Class5925 — Circuit Breakers
Reset MethodMANUAL
Manual Actuator Type And Quantity1 TOGGLE
Mounting Facility Type And Quantit3 CLIP AND 3 TERMINAL
Special Handling FeatureMAGNETIC
Arc Quenching MethodMAGNETIC BLOWOUT
Fragility FactorMODERATELY RUGGED
Pole Quantity3
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 QO330VH available?
We can source QO330VH 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 QO330VH by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO330VH 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 QO330VH?
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 QO330VH?
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.