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Motors must be protected against over-heating by suitable control means that must be chosen, considering the working conditions, according to the norm EN60079-15, EN60079-0 and EN60079-31. All Motive Delphi-Ex motors are standard equipped with temperature probes (up to size 132, included, 3 PTO 130°C probes; from size 160, included, 3 PTC 130°C thermistors), to be connected to a suitable release device as reported in EN 50495 standard.
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For correct motor ventilation, it’s recommended to maintain a minimum distance from walls or obstructions equal to 50mm for motors from size 56 to 160 and 100mm from size 180 to 355. Motors size 56÷160 Motors size 180÷355 Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 3/20...
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50kHz. • Motors with power from 110kW and up must be equipped with insulated bearing and the coupling must be insulated. Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 4/20...
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If the motor is used at frequencies lower than 50Hz at quadratic torque load, please refer to the following graph for the maximum percentage of torque load admitted. For motor Speed/Torque curves, refer to following link: https://www.motive.it/en/rapporti.php Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 5/20...
• do not hinder the ventilation. The discharged air, together with the air coming from other groups, must not be immediately re-aspirated. • verify the correct grounding of the motor. Maintenance warnings: clean the motor only with a wet or antistatic cloth. Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 7/20...
IEC 61508 standard (Fail Safe type). Motive Delphi-Ex motors, up to size 132 included, are equipped as standard with 3 PTO 130°C bimetallic probes. PTC thermistor (device that suddenly changes positively its resistance when the threshold temperature is reached).
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Use lithium o polyurea grease with mineral oil basis suitable for a maximum working temperature of at least 190°C. Table 1 Grease quantity [g] Lubrication intervals in operation hours Motor Size 2 Poles 4-6-8 Poles 2 Poles 4 Poles 6 Poles 8 Poles 2300 4100 5100 2000 4000 4500 Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 9/20...
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Maximum radial and axial loads Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 10/20...
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PECULIAR FEATURES OF DELPHI ATDC Ex 2GD MOTORS • Reinforced t-box for high collision resistance • Certified anti-pulling cable User manual + addendum gland and plug II 2GD • Exclusion of dust and water IP65 • Fan cover IP20 on entry air side and IP10 on exit •...
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Enclosure protection For conductive dust. Equipment marked as suitable for Group IIIC is also suitable for IIIB and IIIA Maximum surface temperature of 135°C Extended level of protection in flammable dust atmospheres Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 12/20...
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Enclosure protection For conductive dust. Equipment marked as suitable for Group IIIC is also suitable for IIIB and IIIA Maximum surface temperature of 135°C Extended level of protection in flammable dust atmospheres Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 13/20...
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An area where explosive atmospheres may be present, in the form of a flammable cloud of dust in the air, during normal operations (Zone 21) Protection against dust combustion Explosion protection: International Enclosure protection For conductive dust Maximum surface temperature of 135°C Extended level of protection in flammable dust atmospheres Manual Addendum DELPHI ATDC Ex 2GD REV.03 pag 14/20...
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