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Universal Protection Unit for Electric Motors

UBZ-115

UBZ-115 provides protection to single-phase induction electric motors with power up to 5.5 kW (25А).

UBZ-115 provides protection to single-phase induction electric motors with power up to 5.5 kW (25А).

 

 

The UBZ-115 unit is designed to provide permanent control of mains voltage parameters and current effective value, which is consumed by the 230V/50Hz motor.

 

 

In the UBZ-115 provides an external input for remote start or stop the motor, and feature “soft start” the motor up to 5 seconds.

 

 

UBZ-115 provides protection in the following situations:

 

 

  • when the mains voltage is of poor quality (over & under voltage);

 

  • mechanical overloads of the motor (over current);

 

  • when motor torque is lost (“dry stroke”);

 

  • delayed start or rotor jamming;

 

  • thermal overload (thermal model of the motor).

 

 

For each separate type of fault, the unit allows to enable or disable an automatic reset (AR) of the motor.

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