The Barksdale ML1H-M203S-WS Temperature Switch is a local-mount, single-setpoint mechanical thermostat in Barksdale’s ML1H family, designed to monitor and switch on temperature changes at the source. It features a tamper-protected cover with on-unit setpoint adjustment and is rated IP65 and NEMA 4/13 for harsh industrial environments. Electrical ratings are 10 A at 125/250 VAC and 3 A at 480 VAC; the WS variant uses a stainless steel thermowell (SS316Ti, 1.4571) with a 3/4-in. NPT male thread. Operating range is -50°F to 450°F (-45°C to 232°C) with a single-setpoint configuration suitable for machine tools, shipbuilding, power plants, antifreeze, heating systems, and compressor systems.
