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General rules for installation:
Important note: These thermostats are intended to monitor or control temperatures in gas or dust hazardous areas. For gas hazardous areas, this equipment is approved as “Ex db” and is suitable for use in zone 1 and zone 2, gas group IIC (Hydrogen/Acetylene, the highest protection group), with a temperature classification T5;
For dust hazardous areas, this equipment is approved as “Ex tb”, suitable for use in zone 21 and zone 22, the dust group is IIIC (electric conductive dust, the highest protection group), with ambient temperature limits on its body from-60°C to +80°C ( -60°C to +50°C at 25A).

The thermostat body must be installed preferably inside an “Ex e” enclosure.

The thermostat capillary exit must be performed by a wire gland with gasket adapted to the diameter of the capillary and providing the level of protection required by the standard.

Electrical connections at the end of the wire can be made inside an “Ex e” enclosure or outside the hazardous area.

These models with screw driver adjustment and rear mounting with 2 M4 screws allow incorporation inside most existing “Ex e” junction boxes in aluminum or polyester and inside a free height of 60mm.

Approvals: These thermostats are certified: ATEX: TÜV 22 ATEX 8892 X;IECEx: IECEx TUR 22. 0057 X.

Housing: Aluminum, 86 x 40 x 56mm (Dimensions without shaft and knob)
Bulb and capillary: Stainless steel. Standard capillary length 1500 mm. (Other lengths available with M.O.Q) Capillary minimum bending radius 5mm.

Temperature sensing element: Oil filled bulb and capillary.

Electrical connection: Silicone insulated wire H05S-K, 2.5 mm², T180°C, 450V, standard length 1000mm. Wire ends with crimped terminals. Other lengths on request.

Ground terminals: One M4 grounding terminals with saddle is located on the side.

Adjustment: With screwdriver
Mounting: Rear mounting with 2 M4 screws
Contacts: SPDT (Snap action contact)
Electrical rating: Suitable for power control, remote control of relay coils or PLCs circuits.

These devices use silver contacts or silver alloy contacts. Due to the possible oxidation of the contacts in time, we do not recommend the use of AC or DC low-voltage circuits (24V or less) if the switched intensity is less than 100mA, or the switched power less than 800mW. Contact us for those applications that require gold-plated contacts. The electrical ratings given are normalized resistive circuit values.

Options:
- Capillary sleeved with 6mm diameter stainless steel flexible tube
- Capillary with fitting for 6mm cable gland gasket, with or without capillary sleeving in stainless steel Mechanical life: > 500.000 cycles
Classification:
Gas:    II 2G Ex db IIC T5 Gb
Dust: II 2D Ex tb IIIC T95°C Db