Bulb and capillary thermostat IP65


Remote control in usual industrial applications and environments, not hazardous areas. Internal adjustment is convenient for products that must not be frequently adjusted.

Housing raw material


Ingress protection

Mechanical protection

Contact style
Contact Material

Electrical rating



Electrical life (cycles at rated value)

Measurement type

Sensing element

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Enclosure Type Operation Contact Measurement Ranges °C Models
IP65, IK10 Control Mechanical SPDT Remote Y1I8G

&   Y1G8G






Remote control in usual industrial applications and environments, not hazardous areas. Internal adjustment is convenient for products that must not be frequently adjusted.

Housing: Aluminum,IP65, IK10. Mounted on a SUS304 stainless steel wall mounting plate which keeps temperature sensing element away from the wall. Grey RAL7032 epoxy painting. Stainless steel captive cover screws. Captive aluminum lid.

Set point adjustment ranges: -35+35°C (-30+95°F); -10+40°C (15-105°F); 4-40°C (40-105°F); 0-60°C (32-140°F); 0-90°C (32-195°F); 30-90°C (85-195°F); 30-110°C (85-230°F); 50-200°C (120-390°F); 50-300°C (120-570°F); 100-400°C (210-750°F); 100-500° C(210-930°F)

Set point adjustment: By °C printed knob.All types have an adjustable rotation limit system located inside the knob that allows reducing the set point adjustment span. Types with external adjustment have a transparent window. This device allows seeing the pilot light and the knob position. °F values are available as an option.

Action: Temperature control.

Sensing element: Liquid expansion bulb and capillary. The capillary is protected by a stainless steel corrugated pipe terminated by a silicone tip. A plastic cap plug provided as standard accessory allows locking the flexible metal conduit inside a pocket (See pockets in the accessories section).

Electrical connections: Inside, on screw terminal connection block

Earthing:Internal and external screw terminal.

Pilot light: Allow to visualize thermostat contact output position. Standard for all models with transparent window. Non Standard and on special request only for models with plain aluminum cover.

Cable input and output: Two M20 cable gland, Black PA66.

Mounting: Wall mounting, by 4 holes for screws dia. 4 to 5 mm, 94 x 92 mm distance

Identification: Metallic identification label, riveted.

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

Minimum storage temperature: -35°C (-30°F)

Maximum ambient temperature: 60°C (140°F)

For more technical information ask 8G thermostat technical data sheet.

Main references




Technical informations associated to this product

  • Electrical protection classes

    The housings are designed to protect electrical equipment located inside. This protection must be considered in the electrical and environmental angles.)
  • JPC Design concept of the Y1 types aluminum enclosures

    Y1 range includes a wide range of thermostats in IP65* metal housing with high mechanical resistance (IK10** except models with external knob), intended for commercial or industrial applications covering ranges from -35 °C to +760 °C.
  • 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.
  • 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.