Barksdale’s ML1H Series Temperature Switches provide unmatched performance, quality & reliability in a mechanical thermostat. The single set point ML1H 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. ML1H Series are electrically rated for 10 amps @ 125/250 VAC & 3 amps @ 480 VAC. Standard 3- & 6-pin terminal strips simplify installation. The ML1H Series is 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 Series Temperature Switches are perfect for your temperature sensing needs.


  • HL2H-HH202S
SKU: HL2H-HH202S Category: Tags: , , ,


General Specifications

Accuracy: ±1% of mid-60% of full range. At constant ambient ±0.5% of full scale. (Knob indication is reference only)
Switch: 1 SPDT
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: 3-pin terminal strip
Electrical Ratings: AC value at 50% power factor —10 amps 125, 250 volts AC, 3 amps 480 volts AC.
Automatically reset by snap-action of a 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
Underwriters’ Laboratories, Inc. and Canadian Standard Assoc. are listed under temperature indicating and regulating equipment.

File No. E56247, Guide No. XAPX

File No. LR34555, Guide 400-E-O Class 4813

Temperature Range: See product configurator.
Adjustment: Tamper-resistant external adjustment. Turn the knob clockwise to increase setpoint. (Knob indication is reference only)
Weight: 1.5 lbs.

Wiring Code

Lead Circuit #1 Circuit #2
Normally Closed Blue Orange
Common Purple Brown
Normally Open Red Yellow


Local Mount Temperature Switch L2H series – Features / Applications

Additional information

Weight 1.5 lbs


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