Sensata Technologies, Inc. · Electronic Components
CM20
Circuit Breaker
Part NumberCM20
ManufacturerSensata Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-279-5976 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Height1.531 INCHES NOMINAL
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Maximum Continuous Load Current Ra20.0 AMPERES AC AND 20.0 AMPERES DC SINGLE LOCATION
Operating Voltage Type And Rating30.0 AC AND 30.0 DC SINGLE LOCATION
Ultimate Trip Rating Of Continuous120.0 SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREE
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL
Inclosure Protection Type For WhicSHOCKPROOF AND VIBRATIONPROOF
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 CM20 available?
We can source CM20 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 CM20 by Sensata Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CM20 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 CM20?
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 CM20?
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.