● 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
Radiodetection, LLC  · Electronic Components

GT4127

Relay, Thermal

Part NumberGT4127
ManufacturerRadiodetection, LLC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Contact Maximum Current Rating In3.0 AC
Heater Voltage Rating In Volts28.0
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Heater Power Rating In Watts4.0
Overall Width1.375 INCHES NOMINAL
Overall Length2.375 INCHES NOMINAL
Contact Maximum Voltage Rating In115.0 AC
Overall Height1.000 INCHES NOMINAL
Environmental ProtectionHERMETIC
Delay Time In Seconds5.0 FIXED OPERATE NOMINAL
Vendor Part Numbers1654862-1
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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 GT4127 available?
We can source GT4127 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 GT4127 by Radiodetection, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If GT4127 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 GT4127?
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 GT4127?
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.