Barksdale · Electronic Components
MT1H-H251-12
Switch, Thermostatic
Part NumberMT1H-H251-12
ManufacturerBarksdale
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-105-4536 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Mounting MethodUNTHREADED HOLE(S)
Contact Stimulus Rating1.00 DIFFERENTIAL POINT MINIMUM DEGREES FAHRENHEIT AND 2.00 DIFFERENTIAL POINT MAXIMUM DEGREES FAHRENHEIT
Contact Voltage Rating In Volts480.0 AC AT SEA LEVEL SINGLE VOLTAGE
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
Operating Temp Rating-100.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM
Longest Vertical Distance Between2.438 INCHES NOMINAL
Bulb Length4.468 INCHES NOMINAL
Overall Length2.750 INCHES NOMINAL
Bulb Diameter0.375 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
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 MT1H-H251-12 available?
We can source MT1H-H251-12 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 MT1H-H251-12 by Barksdale obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MT1H-H251-12 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 MT1H-H251-12?
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 MT1H-H251-12?
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.