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  • DMO 1140-F/DMS 1141-F
  • DMO 1140-F/DMS 1141-F

Product Name:Small Compact Thermostat DMO 1140-F/DMS 1141-F

Product Model:DMO 1140-F/DMS 1141-F


Wechat:dilys15088970667

WhatsApp:008615088970667

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  • Parameters

Technical Data

DMO 1140-F / DMS 1141-F / DMO 1140-M / DMS 1141-M
Switch temperature difference+/-5℃
sensor elementthermostatic bimetal
Contact typesnap-action contact
service life >100,000 cycles
Max.switching caoacity

250VAC, 10 (2) A / 120VAC, 15 (2) A

DC 30W at 24VDC to 72VDC

Max.inrush currentAC 16A for 10 sec.
Connection2-pole terminal,clamping torque 0.5Nm max.:rigid wire 2.5mm2(AWG 14)
stranded wire1 1.5mm2(AWG 16)
Mountingclip for 35mm DIN rail,EN 60715
Casingplastic according to UL94 V-0, light grey
Dimensions60x33x43mm
Weightapprox.40g
Fitting Positionvariable
Operating/Stirage temperature-45 to +80℃(-49 to +176℉)
Operating/Stirage humiditymax.90% RH (non-condensing)
Protection typeIP20

When connecting with wires, wire end ferrules must be used.

Important note: The contact system of the regulator is subjected to environmental influences, thus the contact

resistance may change. This can lead to a voltage drop and/or self-heating of the contacts.

Fast Fixing Type (F Type)Manual Up down Type (M Type)Signal current 
DMO 1140-F (NC Type)DMS 1141-F (NO Type)DMO 1140-M (NC Type) DMS 1141-M (NO Type)
8600118600168606208606250 to +60°C
860012860017860621860626-10 to +50°C
860013860018860622860627+20 to +80℃
860014860019860623860628+32 to +140℉
860015860020860624860629+14 to +122℉


  • Features

• Large setting range

• Small size

• Simple to mount

• High switching performance

  • Structure Chart

1.jpg

  • Certification
  • Application

DMO 1140-F: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.

DMS 1141-F: Thermostat (normally open); contact maker for regulating of filter fans and heat exchangers or for switching signal devises when temperature limit has been exceeded. The contact closes when temperature is rising.


  • Video


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