● 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

AP-12-21074-1

Circuit Breaker

Part NumberAP-12-21074-1
ManufacturerSensata Technologies Maryland
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating250.0 AC SECOND LOCATION
Body Width1.250 INCHES MAXIMUM
Reset MethodMANUAL
Mounting Facility Type And Quantit1 THREADED BUSHING WITH PANEL SEAL
Arc Quenching MethodMAGNETIC BLOWOUT
Nonturn Device Length0.130 INCHES NOMINAL
Mounting Surface To Terminal End D1.780 INCHES MAXIMUM
Thread Quantity Per Inch32
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Fragility FactorMODERATELY RUGGED
Nonturn Device Diameter0.140 INCHES NOMINAL
Vendor Part Numbers0N332775-1
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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 AP-12-21074-1 available?
We can source AP-12-21074-1 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 AP-12-21074-1 by Sensata Technologies Maryland obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AP-12-21074-1 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 AP-12-21074-1?
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 AP-12-21074-1?
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.