Setra Systems, Inc. · Electronic Components
A4787
Switch, Liquid Level
Part NumberA4787
ManufacturerSetra Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-127-8158 (NSN)
Federal Item NameSWITCH,LIQUID LEVEL
Federal Supply Class5930 — Switches
Mounting DimensionsMTD BY ONE 1.250 IN. DIA NPT PLUG
Frequency Rating60.0 HERTZ NOMINAL THIRD ALTERNATE OPERATING POWER RQMT
Dc Voltage Rating120.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
Ac Voltage Rating240.0 VOLTS MAXIMUM THIRD ALTERNATE OPERATING POWER RQMT
Electrical Connection TypeCABLE
Overall Diameter1.250 INCHES NOMINAL
Actuation MethodBUOYANCY
PhaseSINGLE THIRD ALTERNATE OPERATING POWER RQMT
Current Rating At Maximum Rated Vo0.4 AMPERES RESISTIVE LOAD
Mounting PositionVERTICAL
Operating Temp Rating180.0 FAHRENHEIT NOMINAL
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is A4787 available?
We can source A4787 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 A4787 by Setra Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A4787 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 A4787?
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 A4787?
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.