Sensata Technologies Maryland, Inc. · Electronic Components
520A402
Circuit Breaker
Part Number520A402
ManufacturerSensata Technologies Maryland, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-045-8091 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Width0.630 INCHES NOMINAL
Trip Delay Time In Seconds Per Rat0.150 MINIMUM AT 200 PCT AND 0.800 MAXIMUM AT 200 PCT AND 0.050 MINIMUM AT 300 PCT AND 0.370 MAXIMUM AT 300 PCT AND
Frequency In Hertz400.0 SINGLE LOCATION
Terminal Type And Quantity2 WIRE HOOK
Thread Quantity Per Inch32
Thread Series DesignatorUNEF
Nominal Thread Size0.375 INCHES
Pole Quantity1
Actuator FunctionTRIP-RESET
Inclosure Protection Type For WhicHERMETICALLY SEALED
Mounting Facility Type And Quantit1 THREADED BUSHING
Vendor Part Numbers1179003P14
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 520A402 available?
We can source 520A402 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 520A402 by Sensata Technologies Maryland, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520A402 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 520A402?
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 520A402?
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.