Westinghouse Electric Corp. · Electronic Components
1764777
Tripper, Circuit Breaker
Part Number1764777
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-248-1379 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Height4.250 INCHES NOMINAL
Terminal Type And Quantity6 SCREW
Ultimate Trip Rating Of Continuous200.0 ALL LOCATIONS
Mounting Facility Type And Quantit3 TERMINAL
Overall Width4.750 INCHES NOMINAL
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Pole Quantity3
Operating Voltage Type And Rating500.0 AC AND 250.0 DC ALL LOCATIONS
Maximum Continuous Load Current Ra500.0 AMPERES AC AND 500.0 AMPERES DC ALL LOCATIONS
Vendor Part NumbersS1764777
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 1764777 available?
We can source 1764777 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 1764777 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1764777 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 1764777?
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 1764777?
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.