Tamper-proof Thermostat (Pre-set)
FTO 011 / FTS 011


  • Small size
  • Default temperature settings
  • Easy to install
  • High switching accuracy

Tamper-proof (Pre-set) Thermostat FTO 011: Contact breaker/NC (red casing) for regulating heaters or for switching signal devices when temperature has fallen below the minimum value. The contact opens when temperature is rising.

Tamper-proof (Pre-set) Thermostat FTS 011: Contact maker/NO (blue casing) for regulating filter fans, heat exchangers, cooling devices or for switching signal devices when temperature limit has been exceeded. The contact closes when temperaure is rising.

Technical Data

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Sensor elementthermostatic bimetal
Contact typesnap-action contact
Service life> 100,000 cycles
Max. switching capacity250VAC, 5 (1.6) A / 120VAC, 10 (2) A
DC 30W
Max. inrush currentAC 16A for 10 sec.
Connection2-pole terminal, clamping torque 0.8Nm max.:
rigid/stranded1 wire 2.5mm² (AWG 14)
Mountingclip for 35mm DIN rail, EN 60715
Casingplastic according to UL94 V-0, light grey
Dimensions47 x 33 x 33mm
Weightapprox. 30g
Fitting positionvariable
Operating/Storage temperature-40 to +80°C (-40 to +176°F) / -45 to +80°C (-49 to +176°F)
Operating/Storage humiditymax. 90% RH (non-condensing)
Protection typeIP20
ApprovalsVDE, UL File No. E164102, EAC

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¹ When connecting with stranded wires, wire end ferrules must be used.

Art. No.ContactSwitch-off temperatureSwitch-on temperature
01160.0-00Contact breaker (NC)+15°C / +59°F (±5K tolerance)+5°C / +41°F (±5K tolerance)
01160.0-01Contact breaker (NC)+25°C / +77°F (±5K tolerance)+15°C / +59°F (±5K tolerance)
01160.0-05Contact breaker (NC)+10°C / +50°F (±5K tolerance)0°C / +32°F (±5K tolerance)
Switch-on temperatureSwitch-off temperature
01161.0-00Contact maker (NO)+50°C / +122°F (±6K tolerance)+40°C / +104°F (±7K tolerance)
01161.0-01Contact maker (NO)+60°C / +140°F (±6K tolerance)+50°C / +122°F (±7K tolerance)
01161.0-02Contact maker (NO)+35°C / +95°F (±6K tolerance)+25°C / +77°F (±7K tolerance)

Note: Other switch-off and switch-on temperatures on request.

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Technical Drawing

Tamper-proof Thermostats (Pre-set) FTO 011 / FTS 011

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