● 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
Insinger Machine Co  · Electronic Components

DE9-43

Circuit Breaker

Part NumberDE9-43
ManufacturerInsinger Machine Co
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Reset MethodMANUAL
Maximum Interrupting Capacity Curr1000.0 AC AND 2000.0 DC SINGLE LOCATION
Body Length1.375 INCHES NOMINAL
Main Contact Tripping Mechanism TyTRIP FREE
Body StyleSINGLE POLE TYPE
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Bushing Length0.300 INCHES NOMINAL
Ultimate Trip Rating Of Continuous145.0 SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Operating Voltage Type And Rating250.0 AC AND 50.0 DC SINGLE LOCATION
Pole Quantity1
Vendor Part NumbersW58-XB1A4A-5, 2 0201-694, 375-205-101
Cancelled NSN5925-01-146-9059 (cancelled)
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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 DE9-43 available?
We can source DE9-43 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 DE9-43 by Insinger Machine Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DE9-43 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 DE9-43?
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 DE9-43?
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.