Westinghouse Electric Corp. · Electronic Components
JB3150
Circuit Breaker
Part NumberJB3150
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-762-3790 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Operating Voltage Type And Rating600.0 AC AND 250.0 DC ALL LOCATIONS
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Maximum Continuous Load Current Ra150.0 AMPERES AC AND 150.0 AMPERES DC ALL LOCATIONS
Body Width8.250 INCHES NOMINAL
MaterialPLASTIC CASE
Distance Between Centerlines Of Mo8.437 INCHES NOMINAL
Inclosure Protection Type For WhicFUNGUS RESISTANT AND HERMETICALLY SEALED
Unthreaded Mounting Hole Diameter0.313 INCHES NOMINAL
Center To Center Distance Between8.875 INCHES NOMINAL
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 JB3150 available?
We can source JB3150 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 JB3150 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If JB3150 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 JB3150?
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 JB3150?
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.