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General Electric Company  · Electronic Components

K173A20

Circuit Breaker

Part NumberK173A20
ManufacturerGeneral Electric Company
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Operating Voltage Type And Rating120.0 AC AND 120.0 DC ALL LOCATIONS
Ultimate Trip Rating Of Continuous115.0 ALL LOCATIONS
Reset MethodMANUAL
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Maximum Interrupting Capacity Curr5000.0 AC AND 5000.0 DC ALL LOCATIONS
Trip Delay Time In Seconds Per Rat10.000 MINIMUM AT 200 PCT AND 100.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Nondefinitive Spec Std DataALB-5 TYPE
Pole Quantity3
MaterialPLASTIC CASE
Actuator FunctionTRIP-RESET
Vendor Part NumbersK173-5E
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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 K173A20 available?
We can source K173A20 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 K173A20 by General Electric Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K173A20 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 K173A20?
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 K173A20?
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.