Switches - Temperature, General Purpose
Features: Barksdale’s ML1H & L2H Series Temperature Switches provide unmatched performance, quality & reliability in a mechanical thermostat. The single set point ML1H and dual set point L2H, can switch, measure & control temperatures from -50° to 450°F (-45° to 232°C), while the optional adjustable differential provides precise control. These locally mounted switches provide fast response and accurate measurements at the temperature source. Both the ML1H & L2H Series are electrically rated for 10 amps @ 125/250 VAC & 3 amps @ 480 VAC. Standard 3- & 6-pin terminal strips simplify installation. The ML1H & L2H Series are rated NEMA 4 & 13; the optional NEMA 4X construction protects the rugged die-cast aluminum enclosure from corrosive environments. Copper or stainless steel temperature sensors are available to handle a wide range of media. Optional thermowells allow the sensor to work in pressurized vessels to 5000 psi. UL listed & CSA approved, ML1H & L2H Series Temperature Switches are perfect for your temperature sensing needs.
Accuracy: ±1% of mid-60% of full range. At constant ambient ±0.5% of full scale.
Switch: Single: 1 SPDT
Dual switching: 2 independent SPDT circuits
Electrical Characteristics: All models incorporate Underwriters’ Laboratories, Inc. and CSA listed single
pole double throw snap-action switching elements. Switches may be wired normally open or normally closed.
Wetted Parts: Brass or 304 stainless steel
Electrical Connection:
Single: 3-pin terminal strip
Dual: 6-pin terminal strip
Electrical Ratings: AC value at 75% power factor —10 amps 125, 250 volts AC, 3 amps 480 volts AC.
Automatically reset by snap-action of switch.
Enclosure/Housing: Water-tight and dust-tight indoor and outdoor (NEMA 4) / oil-tight and dust-tight
indoor (NEMA 13).
Local Mount: Immersion length 2-1/16 inches
Features: Barksdale’s MT1H & T2H Series Temperature Switches provide unmatched performance, quality & reliability in a mechanical thermostat. The single set point MT1H and dual set point T2H, can switch, measure & control temperatures from -50° to 650°F (-45° to 343°C), The optional adjustable differential provides precise control while ambient compensation maintains 1/2% accuracy with external temperatures from -65° to 165°F. The MT1H & T2H Series are electrically rated for 10 amps @ 125/250 VAC & 3 amps @ 480 VAC. Standard 3- & 6-pin terminal strips simplify installation. The MT1H & T2H Series are rated NEMA 4 & 13; the optional NEMA 4X construction protects the rugged die-cast aluminum enclosure from corrosive environments. A remote bulb and capillary sensor is available in copper or stainless steel allowing the switch to be mounted up to 25 feet from the temperature source. Optional thermowells allow the sensor to work in pressurized vessels to 5000 psi. UL listed & CSA approved, MT1H & T2H Series Temperature Switches are perfect for your temperature sensing needs
Accuracy: ±1% of mid-60% of full range. At constant ambient ±0.5% of full scale.
Switch: One (1) SPDT or two (2) independent SPDT circuits
Electrical Characteristics: All models incorporate Underwriters’ Laboratories, Inc. and CSA listed single
pole double throw snap-action switching elements. Switches may be wired normally open or normally closed.
Wetted Parts: Copper or 304 stainless steel
Electrical Connection:
Single: 3-Pin terminal strip
Dual: 6-Pin terminal strip
Electrical Ratings: AC value at 75% power factor —10 amps @ 125, 250 volts AC, 3 amps @ 480 volts
AC. Automatically reset by snap-action of switch.
Enclosure/Housing: Watertight and dust-tight indoor and outdoor (NEMA 4)/oil-tight and dust-tight
indoor (NEMA 13).