Eaton · Electronic Components
QNBL2050
Circuit Breaker
Part NumberQNBL2050
ManufacturerEaton
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-432-6223 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Maximum Continuous Load Current Ra50.0 AMPERES AC ALL LOCATIONS
Maximum Interrupting Capacity Curr5000.0 AC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Operating Voltage Type And Rating120.0 AC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Actuator FunctionTRIP-RESET
Trip Release Ambient Temp Rating40.0 CELSIUS MAXIMUM ALL LOCATIONS
Manual Actuator Type And Quantity1 TOGGLE
Center To Center Distance Between1.000 INCHES NOMINAL
Trip Delay Time In Seconds Per Rat14.000 MINIMUM AT 200 PCT AND 115.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Vendor Part Numbers377D012G11, 656D012G11
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 QNBL2050 available?
We can source QNBL2050 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 QNBL2050 by Eaton obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QNBL2050 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 QNBL2050?
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 QNBL2050?
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.