● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Sensata Technologies Maryland, Inc.  · Electronic Components

520I102

Circuit Breaker

Part Number520I102
ManufacturerSensata Technologies Maryland, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Maximum Interrupting Capacity Curr500.0 AC SINGLE LOCATION
Reset MethodMANUAL
Operating Voltage Type And Rating120.0 AC SINGLE LOCATION
Main Contact Tripping Mechanism TyTRIP FREE
Actuator FunctionTRIP-RESET
Body Length1.750 INCHES MAXIMUM
Terminal Type And Quantity2 WIRE HOOK
Mounting Surface To Terminal End D1.635 INCHES NOMINAL
Inclosure Protection Type For WhicSHOCKPROOF AND VIBRATIONPROOF AND HERMETICALLY SEALED
Manual Actuator Type And Quantity1 TOGGLE
Vendor Part Numbers2265893-90, L505000350
Cancelled NSN6605-01-006-2256 (cancelled)
Review your list (0) →
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

Frequently asked

Is 520I102 available?
We can source 520I102 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 520I102 by Sensata Technologies Maryland, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520I102 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 520I102?
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 520I102?
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.