Sensata Technologies Maryland, Inc. · Electronic Components
501A251
Circuit Breaker
Part Number501A251
ManufacturerSensata Technologies Maryland, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-758-7956 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating50.0 DC SINGLE LOCATION
Ultimate Trip Time Per Pole In Sec1.000 MINIMUM AND 4.000 MAXIMUM SINGLE LOCATION
Reset MethodMANUAL
Maximum Interrupting Capacity Curr500.0 DC SINGLE LOCATION
Maximum Continuous Load Current Ra250.0 MILLIAMPERES DC SINGLE LOCATION
Ultimate Trip Rating Of Continuous125.0 SINGLE LOCATION
Internal Trip Release ConfiguratioSERIES TRIP SINGLE LOCATION
Mounting Facility Type And Quantit1 THREADED BUSHING
Pole Quantity1
Center To Center Distance Between0.687 INCHES NOMINAL
Thread Quantity Per Inch32
Vendor Part Numbers07-00311-001
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 501A251 available?
We can source 501A251 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 501A251 by Sensata Technologies Maryland, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 501A251 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 501A251?
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 501A251?
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.