HP300 Acr Voltage Height Controller   
  Technical parameter 
 Input power: AC/DC 24V±10%, 4A, DC 24V is recommended 
 Lifting motor: DC24V permanent magnet DC motor 
 Output power: Maximum 100W 
 Speed control: Dual pulse width modulation (PWM) with electric drive voltage feedback. 
 Arc voltage range: 30-300V 
 Arc voltage accuracy: 1V-5V, adjustable through parameters. 
 Initial positioning: 1. Proximity switch type initial positioning