Thomas & Betts · Electronic Components
B250
Sta-Kon Disconnect Female (26-14 Awg)
Part NumberB250
ManufacturerThomas & Betts
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-387-6593 (NSN)
Federal Item NameCIRCUIT BREAKER
MaterialPLASTIC CASE
Terminals2 COMPRESSION AND 2 TAB, SOLDER LUG
Overall Length3.562 INCHES NOMINAL
Overall Width2.375 INCHES NOMINAL
Overall Height2.000 INCHES NOMINAL
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Operating Voltage Type And Rating240.0 AC ALL LOCATIONS
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Pole Quantity2
Federal Supply Class5925 — Circuit Breakers
Cancelled NSN4730-01-319-3492 (+1 more) (cancelled)
NSN Cancelled Date30-APR-2010
Mounting Facility Type And Quantit4 CLIP
External Actuator Linkage ArrangemONE AND TWO LINKED
Frequency In Hertz60.0 ALL LOCATIONS
Terminal Type And Quantity2 COMPRESSION AND 2 TAB, SOLDER LUG
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 B250 available?
We can source B250 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 B250 by Thomas & Betts obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B250 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 B250?
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 B250?
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.