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All Categories > Motor and Switch Replacement Parts > SINPAC® Solid State Switches > 2VR Series Switches for 230 Voltage (VAC) Dual Voltage Capacitor Start/Capacitor Run Motor > View Items  
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2VR Series Switches for 230 Voltage (VAC) Dual Voltage Capacitor Start/Capacitor Run Motor

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Basic Operation

Capacitor start/capacitor run motors and capacitor start motors provide continuous voltage sensing information which can be used to extract speed data from the voltage across the motor start (auxiliary) winding. By comparing this start (auxiliary) winding RPM-sensitive voltage to the main AC input voltage (which serves as a reference voltage), the switch determines when the start circuit should be de-energized. The electronic switch interrupts the start circuit current after the motor has accelerated to the cut out speed, and reconnects the start circuit whenever the motor speed has decreased to a preselected cut in RPM level.

Capacitor start/capacitor run motors exhibit current transients and higher voltages across the start switch. This electrical stress is due to the voltage differential which may exist between the start and run capacitors at the instant of switch closure. This stress phenomenon occurs with both mechanical and electronic type start switches. SINPAC® Switches have voltage detection circuitry to minimize the effects of these conditions.




   
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Item Number

Typical Maximum Motor

Typical Full Load Motor Current Rating (230 Volts)

Switch Rating Permissible Max Start Capacitor Current

Start Circuit Voltage

Typical Cut Out Voltage

List Price

2VR-35-260 3 hp 17 A 35 A 230 V 260 V $111.03
2VR-35-310 3 hp 17 A 35 A 230 V 310 V $111.03
2VR-50-260 5 hp 25 A 50 A 230 V 260 V $140.89
2VR-50-310 5 hp 25 A 50 A 230 V 310 V $125.45
  Results 1 - 4 of 4 1 

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