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MIL-SPEC  · Electronic Components

M55629/5-103L

Circuit Breaker

Part NumberM55629/5-103L
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Actuator Position DesignationAT EACH POLE
Frequency In Hertz400 ALL LOCATIONS
MaterialPLASTIC CASE
Inclosure Protection Type For WhicFUNGUS RESISTANT AND MOISTURE RESISTANT
Trip Delay Time In Seconds Per Rat5.0 MINIMUM AT 150 PCT AND 60.0 MAXIMUM AT 150 PCT ALL LOCATIONS
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
Terminal Type And Quantity6 THREADED STUD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Actuator FunctionTRIP-RESET
Nominal Thread Size0.138 INCHES
Manual Actuator Type And Quantity3 TOGGLE
ESD/EMICode A — ESD/EMI sensitive item
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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 M55629/5-103L available?
We can source M55629/5-103L 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 M55629/5-103L by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/5-103L 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 M55629/5-103L?
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 M55629/5-103L?
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.