Westinghouse Electric Corp. · Electronic Components
1605-427
Tripper, Circuit Breaker
Part Number1605-427
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-270-5999 (NSN)
Federal Item NameTRIPPER,CIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Length7.500 INCHES NOMINAL
Overall Height4.250 INCHES NOMINAL
Overall Width5.250 INCHES NOMINAL
Operating Voltage Type And Rating600.0 AC ALL LOCATIONS
Frequency In Hertz60.0 ALL LOCATIONS
Pole Quantity3
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Terminal Type And Quantity6 COMPRESSION
Trip Delay Time In Seconds Per Rat125.000 MINIMUM AT 200 PCT AND 720.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Cancelled NSN5925-00-053-0324 (cancelled)
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 1605-427 available?
We can source 1605-427 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 1605-427 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1605-427 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 1605-427?
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 1605-427?
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.