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Sensata Technologies Maryland  · Electronic Components

APGN-66-1-72-503

Circuit Breaker

Part NumberAPGN-66-1-72-503
ManufacturerSensata Technologies Maryland
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Bushing Length0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
Body Width1.515 INCHES MAXIMUM
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Maximum Interrupting Capacity Curr3650.0 AC ALL LOCATIONS
Reset MethodMANUAL
Nonturn Device Length0.115 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
Nonturn Device Radius0.656 INCHES NOMINAL
Thread Quantity Per Inch32
Mounting Surface To Terminal End D2.232 INCHES MAXIMUM
Special Handling FeatureMAGNETIC
Mounting Facility Type And Quantit1 THREADED BUSHING WITH PANEL SEAL AND 2 THREADED HOLE(S)
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 APGN-66-1-72-503 available?
We can source APGN-66-1-72-503 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 APGN-66-1-72-503 by Sensata Technologies Maryland obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If APGN-66-1-72-503 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 APGN-66-1-72-503?
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 APGN-66-1-72-503?
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.