● 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
Electro Switch Corp.  · Electronic Components

42740HS

Switch Section, Rotary

Part Number42740HS
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH SECTION,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Style DesignatorSWITCH SECTION, ROTARY
Mounting MethodSTRUT SINGLE MOUNTING FACILITY
Precious Material And LocationCONTACTS AND ROTOR BLADE SURFACES SILVER
Terminal TypeTAB, SOLDER LUG
Precious MaterialSILVER
Throw Quantity7 SINGLE SECTION REAR
Pole Quantity1 SINGLE SECTION REAR
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Overall Height1.875 INCHES NOMINAL
Vendor Part NumbersC243586, 142740HS
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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 42740HS available?
We can source 42740HS 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 42740HS by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 42740HS 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 42740HS?
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 42740HS?
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.