• Command input from analogue voltage or 
  current signal or potentiometer
• Zero crossing switching
• Antiparallel double SCR
• 2 led for supply indication, “ON” state, 1 optional led for HB alarm
• Galvanic separation between control buffer and power circuits (4000V)
• Overheating indicator
• MOV (varistor)
• Optional monitoring of interrupted load
• DIN rail mounting (standard); Panel mounting (optional)