Motor Protection

Motor protection is used to prevent damage to an electrical motor and to reduce the incidence of problems such as internal faults and abnormal conditions. The type of motor protection you choose will depend on the size of motor you need it for and the voltage level required. What does motor protection do? Motor protection units protect against various types of damage that can occur within a motor, such as problems arising from vibration or excess torque. Motor protection units also take care of other mechanical limitations like startup frequency management, and control operating characteristics like voltage, phases and short-circuit current availability. What is motor protection used for? Motor protection is mainly used to manage and protect synchronous and asynchronous motors. They can also be used for circuit breakers (devices used for stopping the electric current as a safety measure) and motors in a variety of drive applications, such as motor drives for pumps, fans, compressors, mills and crushers.

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Description Price Motor Protection System Motor Protection Component Range Number of Inputs Output Sensing Type Supply Voltage Current Rating Overall Length Overall Width Overall Depth Minimum Operating Temperature Maximum Operating Temperature Control Voltage
RS Stock No. 745-8030
Mfr. Part No.HPL500
BrandUnipower
£539.15
Each
Units
- Load Monitor - - 3 Current Transformer 100 → 400 V ac 40 A - - - - - 100 → 575 V
RS Stock No. 245-5941
Mfr. Part No.HPL110
BrandUnipower
£426.73
Each
Units
- Load Monitor - - - - 380 → 440 V 8 A 56mm 75mm 110mm -15°C +50°C 380 → 440 V
RS Stock No. 793-4105
Mfr. Part No.APM110
BrandUnipower
£296.96
Each
Units
- Load Monitor - 3 2 Current Transformer 250 V ac 80 A 70mm 86mm 58mm -15°C +50°C -
RS Stock No. 245-5957
Mfr. Part No.HPL110A
BrandUnipower
£471.64
Each
Units
- Load Monitor - - - - 120 → 575 V ac 8 A 72mm 72mm 112mm -15°C +50°C 100 → 575 V
RS Stock No. 793-4109
Mfr. Part No.APM110E
BrandUnipower
£306.61
Each
Units
- Load Monitor - 3 2 Current Transformer 230 V ac 80 A 70mm 86mm 58mm -15°C +50°C -
RS Stock No. 793-4115
Mfr. Part No.APM382
BrandUnipower
£681.54
Each
Units
- Load Monitor - 6 2 Current Transformer 24 V dc 130 A 102mm 86mm 58mm -15°C +50°C -
RS Stock No. 793-4102
Mfr. Part No.APM10
BrandUnipower
£192.82
Each
Units
HC Load Transducer - 4 1 Thermistor 24 V dc 5 → 60 A 86mm 36mm 58mm -15°C +50°C -