Sensata Technologies Maryland, Inc. · Electronic Components
520I103
Circuit Breaker
Part Number520I103
ManufacturerSensata Technologies Maryland, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-880-0233 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREE
Maximum Interrupting Capacity Curr500.0 AC SINGLE LOCATION
Trip Release MethodMAGNETIC SINGLE LOCATION
Maximum Continuous Load Current Ra10.0 AMPERES AC SINGLE LOCATION
Ultimate Trip Rating Of Continuous150.0 SINGLE LOCATION
Body StyleSINGLE POLE TYPE
Reset MethodMANUAL
Actuator FunctionTRIP-RESET
Trip Release CharacteristicINSTANTANEOUS SINGLE LOCATION
Operating Voltage Type And Rating120.0 AC 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 520I103 available?
We can source 520I103 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 520I103 by Sensata Technologies Maryland, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520I103 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 520I103?
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 520I103?
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.