● 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

AP12-1R-72-252

Circuit Breaker

Part NumberAP12-1R-72-252
ManufacturerSensata Technologies Maryland, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Center To Center Distance Between22.2 MILLIMETERS NOMINAL
Mounting Facility Type And Quantit1 THREADED BUSHING
Pole Quantity2
Mounting Surface To Terminal End D45.1 MILLIMETERS MAXIMUM
Thread Quantity Per Inch32
Trip Delay Time In Seconds Per Rat0.100 MAXIMUM AT 135 PCT ALL LOCATIONS
Frequency In Hertz400.0 ALL LOCATIONS
Manual Actuator Type And Quantity1 TOGGLE
Actuator Position DesignationBETWEEN POLE ONE AND TWO
Actuator FunctionTRIP-RESET
Thread Series DesignatorUNEF
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 AP12-1R-72-252 available?
We can source AP12-1R-72-252 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 AP12-1R-72-252 by Sensata Technologies Maryland, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AP12-1R-72-252 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 AP12-1R-72-252?
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 AP12-1R-72-252?
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.