MIL-SPEC · Electronic Components
AQB-A50-50H
Circuit Breaker
Part NumberAQB-A50-50H
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-234-6912 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Reset MethodMANUAL
Ultimate Trip Rating Of Continuous138.0 ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Operating Voltage Type And Rating500.0 AC AND 250.0 DC ALL LOCATIONS
Maximum Continuous Load Current Ra50.0 AMPERES AC AND 50.0 AMPERES DC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Frequency In Hertz400.0 ALL LOCATIONS
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS
Center To Center Distance Between2.625 INCHES NOMINAL
Pole Quantity3
Cancelled NSN5925-00-817-7861 (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 AQB-A50-50H available?
We can source AQB-A50-50H 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 AQB-A50-50H by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AQB-A50-50H 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 AQB-A50-50H?
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 AQB-A50-50H?
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.