● 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
Naval Air Warfare Center Aircraft Division, Lakehurst  · Electronic Components

520534-1

Circuit Breaker

Part Number520534-1
ManufacturerNaval Air Warfare Center Aircraft Division, Lakehurst
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Ultimate Trip Rating Of Continuous125.0 ALL LOCATIONS
Body Length4.125 INCHES NOMINAL
Trip Release CharacteristicINSTANTANEOUS ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Maximum Continuous Load Current Ra150.0 AMPERES AC ALL LOCATIONS
Maximum Interrupting Capacity Curr18000.0 AC ALL LOCATIONS
Reset MethodMANUAL
Frequency In Hertz60.0 ALL LOCATIONS
Actuator Position DesignationAT POLE TWO
Boss Height0.125 INCHES NOMINAL
Vendor Part Numbers69E6022, MCP431800CR
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 520534-1 available?
We can source 520534-1 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 520534-1 by Naval Air Warfare Center Aircraft Division, Lakehurst obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520534-1 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 520534-1?
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 520534-1?
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.