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Northrop Grumman Systems Corporation  · Electronic Components

1802786-4

Circuit Breaker

Part Number1802786-4
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Manual Actuator Type And Quantity1 PUSH-PULL
Internal Trip Release ConfiguratioSERIES TRIP SINGLE LOCATION
Terminal Type And Quantity2 TAB W/SCREW
Pole Quantity1
Mounting Surface To Terminal End D1.420 INCHES MAXIMUM
Fragility FactorMODERATELY RUGGED
Mounting Facility Type And Quantit1 THREADED BUSHING WITH PANEL SEAL
Thread Quantity Per Inch32
Center To Center Distance Between0.593 INCHES NOMINAL
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION
Trip Delay Time In Seconds Per Rat2.000 MINIMUM AT 200 PCT AND 35.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Vendor Part Numbers7277-1-1/2
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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 1802786-4 available?
We can source 1802786-4 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 1802786-4 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1802786-4 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 1802786-4?
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 1802786-4?
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.