ITT Neo-Dyn Series 100TC temperature switch has 6 models available with internal adjustable set point ranges from -46 °C to 382 °C on increasing temperature and -56 °C to 379 °C on decreasing temperature.
The deadband decreases as the adjustable set point is increased. For narrow deadband select set point in upper half of adjustable range.
Thermowell required for temperatures above 260 °C. Proof temperature up to 510 °C.

Explosion proof, hermetically-sealed electrical assembly, leads factory sealed,

A Neo-Dyn temperature switch is identical to a pressure switch with the addition of a fluid-vapour charged sensing probe. The fluid-vapor charge is exposed to the "basic sensor" and since probe pressure varies with temperature, discrete temperature settings can be accomplished.

Consult the attached pdf for full specifications.
Contact Teltherm for technical assistance and quotes.