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Controls and Safety : Explosion-proof
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Type Y94
Type Y94
Disc thermostats and limiters inside aluminum connection boxes EX « e », IP65 Connection boxes, with ambient thermostat, fixed temperature setting
Controls and Safety
Explosion-proof
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product presentation

General rules for installation:
Important note: These limiters are intended to monitor or control ambient temperatures in gas or dust hazardous areas.

For gas hazardous areas, this equipment is approved as “Ex- mb eb” and is suitable for use in zone 1 and zone 2, gas group IIC (Hydrogen/Acetylene, the highest protection group), with a temperature classification T6 ;
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), maximum allowed equipment temperature 80°C. The thermostat enclosure is approved “Ex-e”.

Approvals: These thermostats are certified:
ATEX: TÜV 22 ATEX 8893X ;
IECEx: IECEx TUR 22.0058X ;

Housing: aluminum, 140 × 110 × 90mm (Dimensions without cable glands), epoxy painting, RAL7035(thickness less than 0.2mm).

Temperature sensing element: Bimetal disc thermostat. Temperature sensing element is located outside the aluminum enclosure, on right side
Electrical connection: On built-in junction block, for conductors from 0.5mm² to 4mm², screw terminals. 4 terminals for neutral, and line, including jumpers between input and output for neutral. There are also 2 ground terminals M4 inside and 2 outside the enclosure.

Cable glands: One or two M20 metal cable glands can be used for cable from 3.5 to 12mm. There is a cable locking saddle inside the enclosure, at each cable gland input. It allows the grounding of the braid if braided cables are used. Adjustment: Fixed setting thermostat.

Mounting: Wall mounting, by 2 holes dia. 6.5 mm at 100mm × 95mm distance. The housing rear side also includes four M4 threaded holes 36.5 × 75mm distance for mounting metal brackets and feet providing offset wall mounting, pole or pipes mounting (see the accessories in the last part of this catalog)

Contacts: SPNC open on temperature rise snap action contact. SPNO with close on temperature rise contact available on request.

Electrical rating: 12A 240V resistive (30.000 cycles) and 8A 240V inductive (6000 cycles). Suitable for power control, remote control of relay coils or PLCs circuits, and direct power switching. 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.

Gas classification:
          II 2G Ex mb eb IIC T6 Gb
Dust classification :
          II 2D Ex tb IIIC T80°C Db
Certificates :
ATEX: TÜV 22 ATEX 8893X ;
IECEx: IECEx TUR 22.0058X ;