Sensata Technologies Maryland, Inc. · Electronic Components
520A502
Circuit Breaker
Part Number520A502
ManufacturerSensata Technologies Maryland, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-721-1330 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Length1.750 INCHES NOMINAL
Precious MaterialSILVER
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Ultimate Trip Rating Of Continuous125.0 SINGLE LOCATION
Thread Quantity Per Inch32
Mounting Facility Type And Quantit1 THREADED BUSHING
Frequency In Hertz400.0 SINGLE LOCATION
Nominal Thread Size0.375 INCHES
Arc Quenching MethodMAGNETIC BLOWOUT
Terminal Type And Quantity2 TAB, SOLDER LUG
Pole Quantity1
Vendor Part Numbers2039333PC8, 260-3112-000, 9135139, L505000038
Cancelled NSN5930-00-817-8580 (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 520A502 available?
We can source 520A502 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 520A502 by Sensata Technologies Maryland, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520A502 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 520A502?
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 520A502?
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.