Barksdale ML1H Series Local Mount Temperature Switch, Single Setpoint, 100 F to 350 F

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Description

Description

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.

Features:

  • Reliable & accurate
  • Local sensing
  • NEMA 4
  • UL, CSA & CE approved
  • Single or dual switching

Applications:

  • Oil & gas
  • Mining
  • Tanks and reservoirs
  • Compressors
  • Plastic machinery
  • Factory automation
  • Process equipment
  • Machine tools and industrial equipment

 

Model

Model Accuracy Electrical Connection Low Range High

Range

Type Rating Wetted Material Enclosure Option
ML1H-B354 ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.05 amps @ 125 VDC; 0.03 amps @ 250 VDC Brass NEMA 4 enclosure
ML1H-B354S ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.05 amps @ 125 VDC; 0.03 amps @ 250 VDC 304 stainless steel sensor NEMA 4 enclosure
ML1H-G354-RD ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.4 amps @ 125 VDC; MANUAL RESET Brass NEMA 4 enclosure Manual Reset
ML1H-G354-W-RD ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.4 amps @ 125 VDC; MANUAL RESET Brass NEMA 4 enclosure Brass local mount thermowell

Manual Reset

ML1H-G354S-RD ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.4 amps @ 125 VDC; MANUAL RESET 304 stainless steel sensor NEMA 4 enclosure Manual Reset
ML1H-G354S-WS-RD ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.4 amps @ 125 VDC; MANUAL RESET 304 stainless steel sensor NEMA 4 enclosure 316 stainless steel local mount thermowell

Manual Reset

ML1H-GH354 ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 1 amp @ 125VAC; Gold Contacts Brass NEMA 4 enclosure
ML1H-GH354-W ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 1 amp @ 125VAC; Gold Contacts Brass NEMA 4 enclosure Brass local mount thermowell
ML1H-GH354S ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 1 amp @ 125VAC; Gold Contacts 304 stainless steel sensor NEMA 4 enclosure
ML1H-H354 ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC Brass NEMA 4 enclosure
ML1H-H354-W ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC Brass NEMA 4 enclosure Brass local mount thermowell
ML1H-H354-WS ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC Brass NEMA 4 enclosure 316 stainless steel local mount thermowell
ML1H-H354S ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC 304 stainless steel sensor NEMA 4 enclosure
ML1H-H354S-WS ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC 304 stainless steel sensor NEMA 4 enclosure 316 stainless steel local mount thermowell
ML1H-H354S-WS-Z18 ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC 304 stainless steel sensor NEMA 4 enclosure 316 stainless steel local mount thermowell

Replacement temperature switch for thermowell models, without the thermowell

ML1H-J354-WS ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amps @ 480 VAC (with elastomer boot) Brass NEMA 4 enclosure 316 stainless steel local mount thermowell
ML1H-L354-W ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 15 amps @ 125/250/480 VAC; 0.03 amps @ 125 VDC; 0.02 amps @ 250 VDC Brass NEMA 4 enclosure Brass local mount thermowell
ML1H-L354S-WS ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 15 amps @ 125/250/480 VAC; 0.03 amps @ 125 VDC; 0.02 amps @ 250 VDC 304 stainless steel sensor NEMA 4 enclosure 316 stainless steel local mount thermowell
ML1H-M354-W ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC; 0.5 amps @ 125 VDC; 0.25 amps @ 250 VDC Brass NEMA 4 enclosure Brass local mount thermowell
ML1H-M354S-WS ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 10 amps @ 125/250 VAC; 3 amp @ 480 VAC; 0.5 amps @ 125 VDC; 0.25 amps @ 250 VDC 304 stainless steel sensor NEMA 4 enclosure 316 stainless steel local mount thermowell
ML1H-S354 ±1% of mid-60% of full range. At constant ambient ± 0.5% of full scale 3-pin terminal strip +100° F +350° F Single switch, Single set point (SPDT) 15 amps @ 125/250/480 VAC; 0.05 amps @ 125 VDC; Adjustable differential Brass NEMA 4 enclosure

 

 

 

 

Additional information

Model

ML1H-B354, ML1H-B354S, ML1H-G354-RD, ML1H-G354-W-RD, ML1H-G354S-RD, ML1H-G354S-WS-RD, ML1H-GH354, ML1H-GH354-W, ML1H-GH354S, ML1H-H354, ML1H-H354-W, ML1H-H354-WS, ML1H-H354S, ML1H-H354S-WS, ML1H-H354S-WS-Z18, ML1H-J354-WS, ML1H-L354-W, ML1H-L354S-WS, ML1H-M354-W, ML1H-M354S-WS, ML1H-S354

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