Westinghouse Electric Corp. · Electronic Components
452D371G20
Tripper, Circuit Breaker
Part Number452D371G20
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-795-4957 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Terminal Type And Quantity6 BUS BAR
Pole Quantity3
Ultimate Trip Rating Of Continuous150.0 ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Adjustable Trip Setting Current Ra+650.0 TO 1300.0 AC AND +650.0 TO 1300.0 DC ALL LOCATIONS
Trip Delay Time In Seconds Per Rat60.000 MINIMUM AT 300 PCT AND 120.000 MAXIMUM AT 300 PCT ALL LOCATIONS
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Overall Height3.500 INCHES NOMINAL
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S)
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
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 452D371G20 available?
We can source 452D371G20 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 452D371G20 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 452D371G20 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 452D371G20?
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 452D371G20?
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.