MIL-SPEC · Electronic Components
M55629/5-122
Circuit Breaker
Part NumberM55629/5-122
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-034-9176 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Width2.156 INCHES MINIMUM AND 2.156 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM
Reset MethodMANUALMANUAL
Trip Release CharacteristicTIME DELAY ALL LOCATIONSTIME DELAY ALL LOCATIONS
Operating Voltage Type And Rating240.0 AC ALL LOCATIONS240.0 AC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREETRIP FREE
Maximum Continuous Load Current Ra35.0 AMPERES AC ALL LOCATIONS35.0 AMPERES AC ALL LOCATIONS
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS125.0 ALL LOCATIONS
Trip Release MethodMAGNETIC ALL LOCATIONSMAGNETIC ALL LOCATIONS
Maximum Interrupting Capacity Curr1000.0 AC ALL LOCATIONS1000.0 AC ALL LOCATIONS
Boss Height0.109 INCHES MINIMUM AND 0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM0.171 INCHES MAXIMUM
Cancelled NSN5925-01-035-5641 (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 M55629/5-122 available?
We can source M55629/5-122 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 M55629/5-122 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/5-122 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 M55629/5-122?
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 M55629/5-122?
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.