Sensata Technologies Maryland · Electronic Components
AP-1-3-71F-1251
Circuit Breaker
Part NumberAP-1-3-71F-1251
ManufacturerSensata Technologies Maryland
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-033-1978 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length1.562 INCHES MAXIMUM1.562 INCHES MAXIMUM
Maximum Continuous Load Current Ra1.25 AMPERES AC AND 1.25 AMPERES AC AND 1.25 AMPERES DC SINGLE LOCATION1.25 AMPERES DC SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREETRIP FREE
Trip Release CharacteristicTIME DELAY SINGLE LOCATIONTIME DELAY SINGLE LOCATION
Ultimate Trip Rating Of Continuous135.0 SINGLE LOCATION135.0 SINGLE LOCATION
Operating Voltage Type And Rating240.0 AC AND 240.0 AC AND 50.0 DC SINGLE LOCATION50.0 DC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATIONOVERCURRENT SINGLE LOCATION
Reset MethodMANUALMANUAL
Thread Pitch Diameters+0.3503 TO 0.3537 INCHES+0.3503 TO 0.3537 INCHES
Trip Release MethodMAGNETIC SINGLE LOCATIONMAGNETIC SINGLE LOCATION
Maximum Interrupting Capacity Curr1000.0 AC AND 1000.0 AC AND 1000.0 DC SINGLE LOCATION1000.0 DC SINGLE LOCATION
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 AP-1-3-71F-1251 available?
We can source AP-1-3-71F-1251 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 AP-1-3-71F-1251 by Sensata Technologies Maryland obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AP-1-3-71F-1251 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 AP-1-3-71F-1251?
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 AP-1-3-71F-1251?
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.