● 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
Northrop Grumman Systems Corporation  · Electronic Components

990C963H09

Circuit Breaker

Part Number990C963H09
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Body Length1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Reset MethodMANUAL
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Thread Series DesignatorUNEF
Center To Center Distance Between0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
Mounting Surface To Terminal End D1.690 INCHES MINIMUM AND 1.710 INCHES MAXIMUM
Fragility FactorMODERATELY RUGGED
Vendor Part NumbersAP12-1175-9
Review your list (0) →
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 990C963H09 available?
We can source 990C963H09 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 990C963H09 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 990C963H09 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 990C963H09?
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 990C963H09?
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.