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MIL-SPEC  · Electronic Components

M55629/6-028

Circuit Breaker

Part NumberM55629/6-028
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleMULTIPOLE-MULTIPLE ACTUATOR TYPE
MaterialPLASTIC CASE
Actuator FunctionTRIP-RESET
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Trip Delay Time In Seconds Per Rat9.500 MINIMUM AT 200 PCT AND 150.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Boss Height0.099 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
Center To Center Distance Between0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
Pole Quantity3
Special Handling FeatureMAGNETIC
Mounting Facility Type And Quantit6 THREADED HOLE(S)
Distance Between Centerlines Of Mo0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
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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

Frequently asked

Is M55629/6-028 available?
We can source M55629/6-028 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 M55629/6-028 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/6-028 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 M55629/6-028?
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 M55629/6-028?
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.