● 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  · Electronic Components

IUGN66-1-52-3

Circuit Breaker

Part NumberIUGN66-1-52-3
ManufacturerSensata Technologies Maryland
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Overall Height1.515 INCHES NOMINAL
Overall Width1.687 INCHES NOMINAL
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Overall Length1.660 INCHES NOMINAL
Mounting Facility Type And Quantit1 THREADED BUSHING WITH PANEL SEAL
Pole Quantity2
Trip Delay Time In Seconds Per Rat1.0 NOMINAL AT 200 PCT ALL LOCATIONS
Main Contact Tripping Mechanism TyNONTRIP FREE
Terminal Type And Quantity4 SCREW
Reset MethodMANUAL
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
ESD/EMICode A — ESD/EMI sensitive item
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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 IUGN66-1-52-3 available?
We can source IUGN66-1-52-3 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 IUGN66-1-52-3 by Sensata Technologies Maryland obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If IUGN66-1-52-3 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 IUGN66-1-52-3?
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 IUGN66-1-52-3?
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.