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Westinghouse Electric  · Electronic Components

S452D371G09

Tripper, Circuit Breaker

Part NumberS452D371G09
ManufacturerWestinghouse Electric
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Features ProvidedADJUSTABLE TRIP RELEASE
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Maximum Continuous Load Current Ra225.0 AMPERES AC AND 225.0 AMPERES DC ALL LOCATIONS
Pole Quantity2
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Release MethodTHERMAL ALL LOCATIONS
Operating Voltage Type And Rating500.0 AC AND 250.0 DC ALL LOCATIONS
Mounting Facility Type And Quantit6 UNTHREADED HOLE(S)
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Adjustable Trip Setting Current Ra+630.0 TO 1300.0 AC AND +630.0 TO 1300.0 DC ALL LOCATIONS
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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 S452D371G09 available?
We can source S452D371G09 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 S452D371G09 by Westinghouse Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S452D371G09 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 S452D371G09?
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 S452D371G09?
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.