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Serco  · Electronic Components

M39019/01-255S

Circuit Breaker

Part NumberM39019/01-255S
ManufacturerSerco
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Mounting Facility Type And Quantit1 THREADED BUSHING WITH PANEL SEAL
Body Length1.562 INCHES NOMINAL
Thread Quantity Per Inch32
Actuator Position DesignationAT POLE ONE
Nominal Thread Size0.375 INCHES
Thread Series DesignatorUNEF
Unpackaged Unit Weight50.0 GRAMS NOMINAL
Manual Actuator Type And Quantity1 TOGGLE
Frequency In Hertz400.0 SINGLE LOCATION
Terminal Type And Quantity2 WIRE HOOK OR 2 TAB W/SCREW
Thread Tolerance Class2A EXTERNAL
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 M39019/01-255S available?
We can source M39019/01-255S 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 M39019/01-255S by Serco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39019/01-255S 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 M39019/01-255S?
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 M39019/01-255S?
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.