Enclosure Thermostats

Enclosure thermostatsare compact thermostats designed for use in electronic, IT or control cabinets. They work with heating or coolingdevices to ensure a safe operating temperature and safeguard against condensation, humidity and frost.

How do enclosure thermostats work?

Enclosure thermostats are preset with a minimum or maximum temperature. 'Normally open' (NO) thermostats are set with their contacts open, so when the temperature rises above the preset maximum, the contacts close and trigger a cooler. Their dials are coloured blue. 'Normally closed' (NC) thermostats are set with their contacts closed, so when the temperature falls below the minimum preset, the contacts open and trigger a heater. Their dials are coloured red. Both NO and NC thermostats can be set to trigger an alarm. A changeover thermostat can have both minimum and maximum settings, allowing it to control both heating and cooling.

What are the different types of enclosure thermostats?

Enclosure thermostats are designed in a plastic casting with a broad setting range. They're easy to mount in variable fitting positions with DIN rail mounting. Installation is quick by screw terminals and using a din-rail clip feature.


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Description Price Adjustable or Fixed Mount Type Maximum Temperature Setting Minimum Temperature Setting Supply Voltage Switch Configuration Series Temperature Setting Range
RS Stock No. 103-106
Mfr. Part No.FLZ520 17111000000
MYR91.36
Each
units
Adjustable DIN Rail +60°C 0°C 240 V ac NC FLZ 0 → +60°C
RS Stock No. 103-257
Mfr. Part No.FLZ530 17121000000
MYR70.25
Each
units
Adjustable DIN Rail +60°C 0°C 120 → 240 V ac NO FLZ 0 → +60°C
RS Stock No. 103-386
Mfr. Part No.FLZ510 17103000000
MYR135.47
Each
units
Adjustable DIN Rail +60°C 0°C 100 → 250 V ac Changeover FLZ 0 → +60°C
RS Stock No. 103-279
Mfr. Part No.FLZ520 17111000003
MYR70.51
Each
units
Adjustable DIN Rail +40°C -20°C 240 V ac NC FLZ -20 → +40°C
RS Stock No. 667-6760
Mfr. Part No.FLZ541 17141000000
MYR171.70
Each
units
Adjustable Snap-In +60°C 0°C 120 → 240 V ac NC, NO FLZ 0 → +60°C
RS Stock No. 103-140
Mfr. Part No.FLZ510 17103000010
MYR99.92
Each
units
Adjustable DIN Rail +140°F +32°F 100 → 250 V ac Changeover FLZ +32 → +140°F
RS Stock No. 103-263
Mfr. Part No.FLZ520 17111000014
MYR74.62
Each
units
Adjustable DIN Rail +180°F +70°F 240 V ac NC FLZ +70 → +180°F
RS Stock No. 904-8048
Mfr. Part No.FLZ510 17105000000
MYR110.70
Each
units
Adjustable Snap-In +60°C 0°C 230 V ac Changeover FLZ 0 → +60°C
RS Stock No. 103-184
Mfr. Part No.FLZ520 17111000010
MYR63.26
Each
units
Adjustable DIN Rail +140°F +32°F 240 V ac NC FLZ +32 → +140°F
RS Stock No. 103-112
Mfr. Part No.FLZ520 17111000004
MYR78.22
Each
units
Adjustable DIN Rail +80°C +20°C 240 V ac NC FLZ +20 → +80°C
RS Stock No. 103-134
Mfr. Part No.FLZ510 17103000014
MYR93.79
Each
units
Adjustable DIN Rail +180°F +70°F 100 → 250 V ac Changeover FLZ +70 → +180°F
RS Stock No. 103-572
Mfr. Part No.FLZ530 17121000014
MYR103.50
Each
units
Adjustable DIN Rail +180°F +70°F 120 V ac NO FLZ +70 → +180°F
RS Stock No. 103-128
Mfr. Part No.FLZ510 17103000013
MYR125.41
Each
units
Adjustable DIN Rail +105°F -5°F 100 → 250 V ac Changeover FLZ -5 → +105°F
RS Stock No. 103-392
Mfr. Part No.FLZ510 17103000004
MYR114.78
Each
units
Adjustable DIN Rail +80°C +20°C 100 → 250 V ac Changeover FLZ +20 → +80°C
RS Stock No. 103-099
Mfr. Part No.FLZ520 17111000013
MYR70.41
Each
units
Adjustable DIN Rail +105°F -5°F 240 V ac NC FLZ -5 → +105°F
RS Stock No. 667-6763
Mfr. Part No.FLZ541 17141000010
MYR164.71
Each
units
Adjustable Snap-In +140°F +32°F 120 → 240 V ac NC, NO FLZ +32 → +140°F
RS Stock No. 103-235
Mfr. Part No.FLZ530 17121000004
MYR69.75
Each
units
Adjustable DIN Rail +80°C +20°C 120 → 240 V ac NO FLZ +20 → +80°C
RS Stock No. 103-566
Mfr. Part No.FLZ530 17121000013
MYR74.49
Each
units
Adjustable DIN Rail +105°F -5°F 120 V ac NO FLZ -5 → +105°F
RS Stock No. 103-370
Mfr. Part No.FLZ510 17103000003
MYR109.81
Each
units
Adjustable DIN Rail +40°C -20°C 100 → 250 V ac Changeover FLZ -20 → +40°C
RS Stock No. 103-241
Mfr. Part No.FLZ530 17121000003
MYR59.32
Each
units
Adjustable DIN Rail +40°C -20°C 120 V ac NO FLZ -20 → +40°C