Radiodetection · Electronic Components
RM20N028-20
Relay, Thermal
Part NumberRM20N028-20
ManufacturerRadiodetection
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-498-1861 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Contact Maximum Current Rating In3.0 AC
Heater Power Rating In Watts4.0
Heater Voltage Rating In Volts28.0
Overall Length2.375 INCHES NOMINAL
Delay Time In Seconds12.0 ADJUSTABLE OPERATE MINIMUM AND 22.0 ADJUSTABLE OPERATE MAXIMUM
Environmental ProtectionHERMETIC
Mounting Facility Type And Quantit1 PLUG-IN
Overall Diameter0.750 INCHES NOMINAL
Contact Maximum Voltage Rating In115.0 AC
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Vendor Part NumbersGT-131
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 RM20N028-20 available?
We can source RM20N028-20 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 RM20N028-20 by Radiodetection obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RM20N028-20 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 RM20N028-20?
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 RM20N028-20?
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.