Thermorex TK-AA-02

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This is a cyclic operating temperature sensitive device, which is intended to control the temperature between two particular values under normal operating conditions, automatically switching on or off the electrical circuit.This is hermatic version dedicated to military aplication. This thermostat can be built to either open or close its electrical contacts as the temperature increases. Once the temperature of the bimetal disc has returned to the specified reset temperature, the contacts will automatically return to their original state. Besides its variety of standard configurations the thermostat can also be customized to the specific technical needs of the customer, assuring maximum design flexibility and usage in broad range of temperature control applications for military and aerospace.

Application	Note
This thermostat is widely used in a broad range of temperature control applications for military, industrial and aerospace.	Besides its variety of standard configurations the thermostat can also be customized to the specific technical needs of the customer.

TK-AA-02

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Parameter	Value
Nominal voltage, V, not more	250
Nominal current, A, at 250VAC, not more	3
Nominal current, A, at 250VAC, not more	1
Switching cycles, at 250VAC and 3A, not less than	10000
Switching cycles, at 250VAC and 1A, not less than	100000
Response temperature range, °C	-30°C — 180°C
Response temperature tolerance, %, but not less than °C	±3; ±5
Reset temperature, lower than response temperature on, °C, not less than	10
Contact resistance, Ω not more	0.05
Electric strength of insulation, V, not less than	1500
Insulation resistance, MΩ, not less than	50
Heating speed, K/min	minimum-0.1, maximum-1.0
Hermetic seal	1 × 10⁻⁵ atm·cc/sec

Parameter

Value

Nominal voltage, V, not more

250

Nominal current, A, at 250VAC, not more

Switching cycles, at 250VAC and 3A, not less than

10000

Switching cycles, at 250VAC and 1A, not less than

100000

Response temperature range, °C

-30°C — 180°C

Response temperature tolerance, %, but not less than °C

±3; ±5

Reset temperature, lower than response temperature on, °C, not less than

Contact resistance, Ω not more

0.05

Electric strength of insulation, V, not less than

1500

Insulation resistance, MΩ, not less than

Heating speed, K/min

minimum-0.1, maximum-1.0

Hermetic seal

1 × 10⁻⁵ atm·cc/sec

THERMOREX TK-AA-02

Application

Note

This thermostat is widely used in a broad range of temperature control applications for military, industrial and aerospace.

Besides its variety of standard configurations the thermostat can also be customized to the specific technical needs of the customer.

Parameter	Value
Nominal voltage, V, not more	250
Nominal current, A, at 250VAC, not more	3
Nominal current, A, at 250VAC, not more	1
Switching cycles, at 250VAC and 3A, not less than	10000
Switching cycles, at 250VAC and 1A, not less than	100000
Response temperature range, °C	-30°C — 180°C
Response temperature tolerance, %, but not less than °C	±3; ±5
Reset temperature, lower than response temperature on, °C, not less than	10
Contact resistance, Ω not more	0.05
Electric strength of insulation, V, not less than	1500
Insulation resistance, MΩ, not less than	50
Heating speed, K/min	minimum-0.1, maximum-1.0
Hermetic seal	1 × 10⁻⁵ atm·cc/sec