Square D · Electronic Components
QO2175SB
LOAD CENTER QO SECONDARY SURGE ARRESTOR
Part NumberQO2175SB
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-589-2408 (NSN)
Federal Item NameARRESTER,ELECTRICAL SURGE
Federal Supply Class5920 — Fuses, Arrestors, Absorbers, And Protectors
Vendor Part NumbersQ02175SB
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 QO2175SB available?
We can source QO2175SB 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 QO2175SB by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QO2175SB 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 QO2175SB?
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 QO2175SB?
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.