● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
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MIL-SPEC  · Electronic Components

M55629/18QRQRQR

Circuit Breaker

Part NumberM55629/18QRQRQR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleMULTIPOLE-MULTIPLE ACTUATOR TYPE
Actuator Position DesignationAT EACH POLE
Pole Quantity3
Center To Center Distance Between1.026 INCHES NOMINAL
Mounting Facility Type And Quantit6 THREADED HOLE(S)
Distance Between Centerlines Of Mo2.750 INCHES NOMINAL
Mounting Surface To Terminal End D2.610 INCHES NOMINAL
Boss Height0.220 INCHES NOMINAL
Manual Actuator Type And Quantity3 TOGGLE
Trip Delay Time In Seconds Per Rat35.000 MINIMUM AT 200 PCT AND 195.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Nominal Thread Size0.138 INCHES
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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 M55629/18QRQRQR available?
We can source M55629/18QRQRQR 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 M55629/18QRQRQR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55629/18QRQRQR 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 M55629/18QRQRQR?
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 M55629/18QRQRQR?
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.