Westinghouse Electric Corp. · Electronic Components
S1299872
Tripper, Circuit Breaker
Part NumberS1299872
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-248-1445 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Pole Quantity3
Overall Height3.750 INCHES NOMINAL
Mounting Facility Type And Quantit6 TERMINAL
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Overall Width5.375 INCHES NOMINAL
Trip Release MethodMAGNETIC ALL LOCATIONS
Operating Voltage Type And Rating500.0 AC ALL LOCATIONS
Overall Length4.500 INCHES NOMINAL
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Maximum Continuous Load Current Ra50.0 AMPERES AC ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Vendor Part Numbers1299872, 422196PC88
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 S1299872 available?
We can source S1299872 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 S1299872 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S1299872 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 S1299872?
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 S1299872?
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.