Square D · Electronic Components
QOB370
MINIATURE CIRCUIT BREAKER 240V 70A
Part NumberQOB370
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-245-9655 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals3 COMPRESSION AND 3 TAB W/SCREW
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Body Height2.922 INCHES NOMINAL
Actuator Position DesignationAT EACH POLE
Inclosure Protection Type For WhicGENERAL PURPOSE
Pole Quantity3
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type And Quantit6 TERMINAL
Boss Height0.156 INCHES NOMINAL
Federal Supply Class5925 — Circuit Breakers
Center To Center Distance Between0.750 INCHES NOMINAL
Manual Actuator Type And Quantity3 TOGGLE
Frequency In Hertz60.0 ALL LOCATIONS
Trip Delay Time In Seconds Per Rat25.000 MINIMUM AT 200 PCT AND 80.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Cancelled NSN5925-01-241-3604 (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 QOB370 available?
We can source QOB370 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 QOB370 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QOB370 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 QOB370?
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 QOB370?
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.