Boeing · Electronic Components
ST5M1649-006
Circuit Breaker
Part NumberST5M1649-006
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-114-3429 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Actuator FunctionTRIP-RESET
Actuator Position DesignationAT EACH POLE
Manual Actuator Type And Quantity4 TOGGLE
Trip Release MethodMAGNETIC ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Trip Delay Time In Seconds Per Rat0.240 MINIMUM AT 200 PCT AND 0.800 MAXIMUM AT 200 PCT SECOND LOCATION
Circuit Protection TypeOVERCURRENT SECOND LOCATION
Maximum Continuous Load Current Ra20.0 AMPERES AC THIRD LOCATION
Operating Voltage Type And Rating250.0 AC SECOND LOCATION
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Frequency In Hertz50.0 OR 60.0 FIRST LOCATION
Vendor Part NumbersUPL1111-5242-6
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 ST5M1649-006 available?
We can source ST5M1649-006 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 ST5M1649-006 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST5M1649-006 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 ST5M1649-006?
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 ST5M1649-006?
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.