Westinghouse Electric Corp. · Electronic Components
HMA3800T
Tripper, Circuit Breaker
Part NumberHMA3800T
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-103-3880 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Unthreaded Mounting Hole Diameter0.344 INCHES NOMINAL
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Maximum Continuous Load Current Ra800.0 AMPERES AC ALL LOCATIONS
Trip Release Ambient Temp Rating40.0 CELSIUS MAXIMUM ALL LOCATIONS
Terminal Type And Quantity6 COMPRESSION
Manual Actuator Type And Quantity1 TOGGLE
Trip Delay Time In Seconds Per Rat280.000 MINIMUM AT 200 PCT AND 950.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Actuator Position DesignationAT POLE TWO
Frequency In Hertz60.0 ALL LOCATIONS
Actuator FunctionTRIP-RESET
Storage TypeGENERAL PURPOSE WAREHOUSE
Vendor Part Numbers457D452G28
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnUnknown
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 HMA3800T available?
We can source HMA3800T 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 HMA3800T by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HMA3800T 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 HMA3800T?
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 HMA3800T?
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.