MIL-SPEC · Electronic Components
AQB-A51-15
Circuit Breaker
Part NumberAQB-A51-15
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-461-1602 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Pole Quantity3
Mounting Facility Type And Quantit2 THREADED BUSHING
Maximum Continuous Load Current Ra15.0 AMPERES AC ALL LOCATIONS
MaterialPLASTIC CASE
Overall Length4.125 INCHES NOMINAL
Maximum Interrupting Capacity Curr500.0 AC ALL LOCATIONS
Reset MethodMANUAL
Overall Height4.125 INCHES NOMINAL
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Release MethodMAGNETIC AND THERMAL ALL LOCATIONS
Cancelled NSN5925-01-458-3739 (cancelled)
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 AQB-A51-15 available?
We can source AQB-A51-15 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-A51-15 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AQB-A51-15 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-A51-15?
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-A51-15?
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.