Detroit Switch · Electronic Components
4B4N01D20AB
Switch, Thermostatic
Part Number4B4N01D20AB
ManufacturerDetroit Switch
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-336-9052 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Contact Load Current Rating15.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Contact Voltage Rating In Volts480.0 AC AT SEA LEVEL THIRD VOLTAGE
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Contact Adjustment Range-10.00 TO 60.00 ACTUATION POINT DEGREES FAHRENHEIT
Overall Height4.750 INCHES NOMINAL
Distance Between Mounting Facility5.250 INCHES NOMINAL
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Capillary Tube Length240.0 INCHES NOMINAL
Mounting Facility PatternTWO POSITION IN-LINE
Body Height2.750 INCHES NOMINAL
Vendor Part Numbers025-28185
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 4B4N01D20AB available?
We can source 4B4N01D20AB 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 4B4N01D20AB by Detroit Switch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4B4N01D20AB 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 4B4N01D20AB?
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 4B4N01D20AB?
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.