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.

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 (±7K tolerance)+40°C / +104°F (±6K tolerance)
01161.0-01Contact maker (NO)+60°C / +140°F (±7K tolerance)+50°C / +122°F (±7K tolerance)
01161.0-02Contact maker (NO)+35°C / +95°F (±7K tolerance)+25°C / +77°F (±6K 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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