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Northrop Grumman Systems Corporation  · Electronic Components

128C860H12

Circuit Breaker

Part Number128C860H12
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Operating Voltage Type And Rating250.0 AC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Maximum Continuous Load Current Ra50.0 AMPERES AC ALL LOCATIONS
Maximum Interrupting Capacity Curr2000.0 AC ALL LOCATIONS
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Reset MethodMANUAL
Ultimate Trip Rating Of Continuous150.0 ALL LOCATIONS
Distance Between Centerlines Of Mo2.750 INCHES NOMINAL
Mounting Surface To Terminal End D3.239 INCHES NOMINAL
Thread Quantity Per Inch32
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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 128C860H12 available?
We can source 128C860H12 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 128C860H12 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 128C860H12 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 128C860H12?
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 128C860H12?
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.