Single pole control thermostat (Appliances type)

Bulb and capillary thermostat for incorporation, controls up to 500°C

Weight 0.8 kg
Dimensions 43 × 35 × 29 mm
Electrical rating

Bulb diameter (mm)

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Bulb material


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Housing dimensions: 43 x 35 x 29 mm (without terminals)

Bulb and capillary: stainless steel, with 150 mm long PVC sleeve on the capillary. Capillary minimum bending radius is 5 mm. No capillary sleeve for temperature ranges above 400°C (750°F)

Temperature sensing element: Oil filled bulb and capillary.

Caution: Temperature ranges above 400°C (750°F) are filled with sodium-potassium eutectic. In case of breakage of the bulb or capillary, this liquid may self-ignite at room temperature in the presence of water or moisture.

Terminals: 6.35 x 0.8 quick connect terminals, 90° bended. Straight terminals or terminals with M4 screws also available on request. (MOQ apply). Terminal positions and alignment allow the use of a connector with flat or bended terminals.

Adjustment: Dia. 6 mm shaft with 4.6 mm flat, length 11.5 mm. Other lengths, screw driver adjustment or fixed setting available on request.

Mounting: Front bracket with 2 x M4 threads, 28 mm distance

Grounding: M4 thread on mounting bracket

Contact: SPDT

Electrical rating, resistive loads:

-Open on temperature rise contact (C-1)

  • 16A 250V, 50 ~60Hz: >100000 cycles,
  • 20A 250V, 50 ~60Hz: ≥ 50000 cycles,
  • 10A 400V, 50 ~60Hz: ≥ 50000 cycles.

-Close on temperature rise contact (C-2): 6A 250V 50 ~60Hz: >100000 cycles

Electrical rating, inductive loads:

  • Open on temperature rise contact (C-1): 6A 250V, 50 ~60Hz: >100000 cycles
  • Close on temperature rise contact (C-2):0.6A 250V 50 ~60Hz: >100000 cycles



Capillary stuffing box with flat fiber gasket and M14 nut. Silicone seal. Nickel plated brass body. Max temperature 220°C. 3 way connector. Exists unassembled, with female terminals non- crimped, or assembled, with crimped wires, length, gauge and style upon customer request.



Technical specifications sheet



Technical informations associated to this product

  • Electrical contacts

    As numerous mechanisms exist, we decided not to distinguish on the basis of constructive technique, but according to their operation speed, which is the key element.
  • Description of temperature controls

    Used as control thermostats or as a safety thermostat with manual reset, these thermostats have a disc made of two different metals laminated together for temperature sensing element. These two metals have different expansion coefficients.
  • Thermostats installation

    The proper functioning of a thermostat depends primarily on the correct choice of the component, but also the conditions of its installation. Conditions used to calibrate regulating and control equipment in the factory are always ideal laboratory conditions, ensuring measurement accuracy and repeatability. These conditions are rarely those found in practice when installing thermostats. However, with a minimum of constraints, it is possible to optimize assemblies.
  • Historical introduction to temperature measurement

    The temperature measurement was preceded by a long period, throughout the 18th century, when first empirically and then gradually more accurately, have been developed measurement scales, were discovered fixed points for the calibration of these scales, and all physical variations related to temperature change: thermal expansion of gases, liquids, metals and other solids, liquefaction temperatures, boiling temperature, magnetism, thermoelectricity, just to give a few.