Panel Thermostats available from ATI Systems
KTO 011 / KTS 011 Small Compact Thermostat
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KTO 111: Thermostat (NC); contact breaker for regulating heaters. The contact opens when temperature is rising. KTS 111: Thermostat (NO); 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.
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| Setting range | Part. No. Contact breaker (NC) | Part. No. Contact maker (NO) |
| 0 to +60 °C | 11100.0-00 | 11101.0-00 |
| -10 to +50 °C | 11100.0-01 | 11101.0-01 |
| +20 to +80 °C | 11100.0-02 | 11101.0-02 |
| 0 to +60 °C | 11100.9-00 | 11101.9-00 |
| -10 to +50 °C | 11100.9-01 | 11101.9-01 |
STO 011 / STS 011 Small Compact Thermostat for Panels
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The mechanical thermostat is a two state regulator with small hysteresis. The setting wheel has an anti frost assurance. The housing ensures an optimized air circulation around the bimetal. STO 011: Thermostat (NC); contact breaker for regulating heaters. The contact opens when temperature is rising. STS 011: Thermostat (NO); contact maker for regulating of filter fans and heat exchangers or for switching signal devices when temperature limit has been exceeded. The contact closes when temperature is rising.
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| Setting range | Part. No. Contact breaker (NC) | Part. No. Contact maker (NO) |
| 0 to +60 °C | 01115.0-00 | 01116.0-00 |
| 0 to +60 °C | 01115.9-00 | 01116.9-00 |
FTO 011 / FTS 011 Tamper-Proof Thermostat (Pre-Set) for Panels
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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.
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| Part No. | Contact | Switch-off temperature | Switch-on temperature |
| 01160.0-00 | Contact breaker (NC) | +15 °C (±5 K tolerance) | +5 °C (±5 K tolerance) |
| 01160.0-01 | Contact breaker (NC) | +25 °C (±5 K tolerance) | +15 °C (±5 K tolerance) |
| 01160.0-05 | Contact breaker (NC) | +10 °C (±5 K tolerance) | 0 °C (±5 K tolerance) |
| Part No. | Contact | Switch-off temperature | Switch-on temperature |
| 01161.0-00 | Contact maker (NO) | +50 °C (±7 K tolerance) | +40 °C (±6 K tolerance) |
| 01161.0-01 | Contact maker (NO) | +60 °C (±7 K tolerance) | +50 °C (±7 K tolerance) |
| 01161.0-02 | Contact maker (NO) | +35 °C (±7 K tolerance) | +25 °C (±6 K tolerance) |
ZR 011 Dual Thermostat for Panels
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Two thermostats in one casing: Thermostat (contact maker, normally open) for regulating filter fans and heat exchangers or switching signal devices when temperature limit has been exceeded. The contact closes when temperature is rising. Heaters and cooling equipment can be switched independently from each other with a temperature offset as opposed to the usual change-over contacts.
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| Part No. | Setting range |
Setting range |
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| 01172.0-00 | Contact breaker (NC) | 0 to +60 °C | Contact maker (NO) | 0 to +60 °C |
| 01172.0-01 | Contact breaker (NC) | 0 to +60 °C | Contact maker (NO) | 0 to +60 °C |
| 01175.0-00 | Contact breaker (NC) | -10 to +50 °C | Contact maker (NO) | +20 to +80 °C |
| 01175.0-01 | Contact breaker (NC) | -10 to +50 °C | Contact maker (NO) | +20 to +80 °C |
| 01176.0-00² | Contact maker (NO) | 0 to +60 °C | Contact maker (NO) | 0 to +60 °C |
| 01176.0-01² | Contact maker (NO) | 0 to +60 °C | Contact maker (NO) | 0 to +60 °C |
FTD 011 Tamper-Proof Dual Thermostat (Pre-Set) for Panels
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Two thermostats in one casing: Tamper-proof (Pre-set) Thermostat/Contact maker (NO) for regulating filter fans, heat exchangers or for switching signal devices when temperature limit has been exceeded. The contact closes when temperaure is rising. Heaters and cooling equipment can be switched independently from each other with a temperature offset as opposed to the usual change-over contacts.
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| Part No. | Contact breaker (NC) |
Contact maker (NO) |
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| Switch-off temperature | Switch-on temperature | Switch-on temperature | Switch-off temperature | |
| 01163.0-00 | +15 °C (±5 K tolerance) | +5 °C (±5 K tolerance) | +50 °C (±7 K tolerance) | +40 °C (±6 K tolerance) |
| 01163.0-01 | +25 °C (±5 K tolerance) | +15 °C (±5 K tolerance) | +60 °C (±7 K tolerance) | +50 °C (±7 K tolerance) |
| 01163.0-02 | +15 °C (±5 K tolerance) | +5 °C (±5 K tolerance) | +35 °C (±7 K tolerance) | +25 °C (±6 K tolerance) |
| 01163.0-03 | +25 °C (±5 K tolerance) | +15 °C (±5 K tolerance) | +50 °C (±7 K tolerance) | +40 °C (±6 K tolerance) |
| Part No. | Contact breaker (NO) |
Contact maker (NO) |
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| Switch-on temperature | Switch-off temperature | Switch-on temperature | Switch-off temperature | |
| 01164.0-00 | +50 °C (±7 K tolerance) | +40 °C (±6 K tolerance) | +60 °C (±7 K tolerance) | +50 °C (±7 K tolerance) |
FZK 011 Mechanical Thermostat for Panels
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The mechanical thermostat is used for controlling heating and cooling equipment, filter fans or signal devices. The thermostat registers the surrounding air and can switch both inductive and resistive loads via snap-action contact. Functionality: The temperature setting on the scale equals to the upper switch point, which means that the NC contact opens. The temperature setting minus switch temperature difference (and tolerances) equals to the lower switch point, which means that the NC contact closes.
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| Part No. | Operating voltage |
Setting range |
| 01170.0-00 | AC 230 V | +5 to +60 °C |
| 01170.0-01 | AC 230 V | +5 to +60 °C |
| 01170.0-02 | AC 230 V | -20 to +35 °C |
| 01170.9-00 | AC 120 V | +5 to +60 °C |
| 01170.9-01 | AC 120 V | +5 to +60 °C |
ETR 011 Electronic Thermostat for Panels
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The electronic thermostat is used for controlling heating and cooling equipment, filter fans or signal devices. The thermostat registers the surrounding air and can switch both and inductive and resistive loads via relay with change-over contact. The LED integrated in the adjustment knob is lit when the NC is closed. (e.g. when a connected heater is operating).
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| Part No. | Operating voltage |
Setting range |
| 01131.0-00 | AC 230 V, 50/60 Hz | -20 to +60 °C |
| 01131.9-00 | AC 120 V, 50/60 Hz | -20 to +60 °C |
ET 011 Electronic Thermostat for Panels
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Electronic thermostat for regulating high performance DC 24 V equipment. Heating or cooling appliances as well as signal devices can be switched via the potential free change-over contact. In comparison to mechanical thermostats, the ET 011 has a low hysteresis making the switching point and setting accuracy more precise.
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| Part No. | Operating voltage |
Setting range |
| 01190.0-00 | DC 24 V (DC 20 – 28 V) | 0 to +60 °C |
ETL 011 Electronic Thermostat for Panels
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The electronic thermostat registers the surrounding air temperature and can switch a signal current via its internal relay with a potential-free change-over contact. Signal-processing devices can be controlled directly with the ETL 011. In order to control heating and cooling equipment, filter fans and signal devices the switch module SM 010 or a similar device is needed. The LED integrated in the adjustment knob shows the closed status of the contact 1-2. When temperature is rising contact 1-2 opens and the LED turns off. In currentless state (no supply voltage) contact 1-2 opens.
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| Part No. | Operating voltage |
Setting range |
| 01131.2-00 | DC 12 – 48 V (min. DC 10 V, max. DC 60 V) | -20 to +60 °C |
| 01131.2-01 | DC 12 – 48 V (min. DC 10 V, max. DC 60 V) | -20 to +60 °C |
MFR 012 Mechanical Hygrostat for Panels
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The electromechanical hygrostat is designed to control enclosure heaters so that the dew point is raised when a critical relative humidity of 65 % is exceeded. In this way condensation and corrosion in enclosures with electric/ electronic components is effectively prevented.
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| Part No. | Setting range |
| 01220.0-00 | 35 to 95 % RH |
EFR 012 Electronic Hygrostat for Panels
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The electronic hygrostat senses the relative humidity in an enclosure with electric/electronic components and turns on a heater at the set point, helping prevent the formation of condensation in the enclosure. The LED integrated in the adjustment knob is lit when the connected heater is in operation.
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| Part No. | Operating voltage | Setting range |
| 01245.0-00 | AC 230 V, 50/60 Hz | 40 to 90 % RH |
| 01246.0-00 | AC 230 V, 50/60 Hz | 65 % RH pre-set |
| 01246.0-01 | AC 230 V, 50/60 Hz | 50 % RH pre-set |
| 01245.9-00 | AC 120 V, 50/60 Hz | 40 to 90 % RH |
| 01246.9-00 | AC 120 V, 50/60 Hz | 65 % RH pre-set |
EFL 012 Electronic Hygrostat for Panels
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The electronic hygrostat registers the surrounding relative humidity and can switch a signal current via its internal relay with a potential-free change-over contact. Signal-processing devices can be controlled directly with the EFL 012. In order to control heating and cooling equipment, filter fans and signal devices the switch module SM 010 or a similar device is needed. The LED integrated in the adjustment knob shows the closed status of the contact 1-2. When relative humidity drops contact 1-2 opens and the LED turns off. In currentless state (no supply voltage) contact 1-2 opens.
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| Part No. | Operating voltage | Setting range |
| 01245.2-00 | DC 12 – 48 V (min. DC 10 V, max. DC 60 V) | 40 to 90 % RH |
ETF 012 Electronic Hygrotherm for Panels
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The electronic hygrotherm senses the ambient temperature and relative humidity in an enclosure with electric/ electronic components and turns on a heater (or alternatively a fan) at either set point, helping prevent the formation of condensation in the enclosure. Due to its wide voltage range the hygrotherm can be utilised anywhere in the world.The LED integrated in the adjustment knob on the active controller is lit when the connected device is in operation.
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| Part No. | Operating voltage | Setting range temperature |
Setting range humidity |
| 01230.0-00 | AC 100 – 240 V, 50/60 Hz (min. AC 90 V, max. AC 265 V) | 0 to +60 °C | 50 to 90 % RH |
| 01230.9-00 | AC 100 – 240 V, 50/60 Hz (min. AC 90 V, max. AC 265 V) | 0 to +60 °C | 50 to 90 % RH |
| 01230.1-00 | DC 24 – 48 V (min. DC 20 V, max. DC 60 V) | 0 to +60 °C | 50 to 90 % RH |
ETF 012 Electronic Hygrotherm with External Sensor for Panels
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The electronic hygrotherm senses the ambient temperature and relative humidity in an enclosure with electric/electronic components and turns on a heater (or alternatively a fan) at either set point, helping prevent the formation of condensation in the enclosure. Due to its wide voltage range the hygrotherm can be utilised anywhere in the world. The external sensor can be positioned freely anywhere in the enclosure for precise measurements.
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| Part No. Cable 1 m |
Part No. Cable 2 m | Operating voltage | Setting range temperature |
Setting range humidity |
| 01231.0-00 | 01231.0-01 | AC 100 – 240 V, 50/60 Hz (min. AC 90 V, max. AC 265 V) | 0 to +60 °C | 50 to 90 % RH |
| 01231.9-00 | 01231.9-01 | AC 100 – 240 V, 50/60 Hz (min. AC 90 V, max. AC 265 V) | 0 to +60 °C | 50 to 90 % RH |
| 01231.1-00 | 01231.1-01 | DC 24 – 48 V(min. DC 20 V, max. DC60 V) | 0 to +60 °C | 50 to 90 % RH |
SM 010 Switch Module for Panels
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The Switch Module is designed for switching DC equipment with high currents. It is controlled via an external, potential-free contact (thermostat or hygrostat) connected between terminals 1 and 2. For switching the Module, the internally generated signal current has to be used. It must ne ensured that the external contact can safely switch this signal current. The SM 010 is available in DC 24 V and DC 48 V versions.
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| Part No. |
Operating voltage | Max. switching capacity | Signal current |
| 01001.0-00 | DC 24 V (DC 20 – 28 V) | DC 28 V, 16 A | DC 13 mA at 20 V / 22 mA at DC 28 V |
| 01000.0-00 | DC 48 V (DC 38 – 56 V) | DC 56 V, 16 A | DC 10 mA at 38 V / 18 mA at DC 56 V |
DCM 010 Switch Module for Panels
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The switch module is used to control DC powered devices with high capacities in control and switch cabinets. It is controlled via an external potential-free contact (thermostat or hygrostat), which is connected between terminal 3 and 4. It must be ensured that the external contact is suitable to switch the required signal current without any problems.
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| Part No. |
Max. switching capacity | Operating temperature |
| 01010.0-00 | DC 15 A | -30 °C to +40 °C |
| 01010.0-10 | DC 13 A | -30 °C to +50 °C |
| 01010.0-20 | DC 11 A | -30 °C to +60 °C |
DCT 010 Electronic Thermostat for Panels
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The electronic thermostat with integrated switch module is used to control DC powered devices with high capacities in control and switch cabinets. Heaters, coolers, filter fans or signal devices can directly be controlled via an internal electronic circuit. The external sensor can be positioned freely anywhere in the control cabinet for precise temperature measurements. Additionally, this thermostat is available in versions that not only measure temperature via the external sensor, but also the relative humidity.
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| Part No. |
Max. switching capacity | Operating temperature |
Primary switching function setting range temperature |
Secondary switching function² humidity setting |
Contact (primary) |
| 01011.0-21 | DC 13 A | -30 °C to +50 °C | -10 to +50 °C | - | Contact maker (NO) |
| 01011.0-22 | DC 11 A | -30 °C to +60 °C | 0 to +60 °C | - | Contact maker (NO) |
| 01011.0-41 | DC 13 A | -30 °C to +50 °C | -10 to +50 °C | 65 % RH pre-set | Contact breaker (NC) |
| 01011.0-42 | DC 11 A | -30 °C to +60 °C | 0 to +60 °C | 65 % RH pre-set | Contact breaker (NC) |
DCF 010 Electronic Hygrostat for Panels
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The electronic hygrostat with integrated switch module is used to control DC powered devices with high capacities in control and switch cabinets. Heaters, coolers, filter fans or signal devices can directly be controlled via an internal electronic circuit. The external sensor can be positioned freely anywhere in the control cabinet for precise measurement of the atmospheric humidity. Additionally, this hygrostat is available in versions that not only measure the relative humidity via the external sensor, but also the temperature.
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| Part No. |
Max. switching capacity | Operating temperature |
Primary switching function setting range humidity |
Secondary switching function² Switch-on temperature |
Contact (primary) |
| 01012.0-20 | DC 15 A | -30 °C to +40 °C | 40 to 90 % RH | +5 °C pre-set | Contact maker (NO) |
| 01012.0-21 | DC 13 A | -30 °C to +50 °C | 40 to 90 % RH | +5 °C pre-set | Contact maker (NO) |
| 01012.0-22 | DC 11 A | -30 °C to +60 °C | 40 to 90 % RH | +5 °C pre-set | Contact maker (NO) |
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