Thermal protection of the ULTRACT servomotor system

As contemplated for by DIN 44081/44082 regulations, the brushless servomotors of the Ultract range are heat protected by means of PTC at 130°C. ,These probes feature a maximum running tension Vmax=30V and a dielectric stiffness of the insulation Veff=2000V.

protezione termica

Upon request, it is possible to get a thermal protection by means of safety thermocontact at 130°C or by means of linear temperature sensor KTY-84.
This second type of sensor, contrary to 130°C PTC, allows an accurate monitoring of the temperature of the motor, since it is possible to obtain the temperature value directly from its resistance and set therefore operating or alarm thresholds according to the different requirements.

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