Supply voltage
Type of supply voltage AC/DC
• Rated value (DC) 120 V / 230 V
• Valid range low limit (DC) 88 V
• Valid range high limit (DC) 300 V
• Rated value (AC) 120 V / 230 V
• Valid range low limit (AC) 85 V
• Valid range high limit (AC) 264 V
• Short-circuit protection Yes
Mains frequency
• Rated value 50 Hz Yes
• Valid range, low limit 47 Hz
• Valid range, high limit 63 Hz
Power failure backup
• Power failure backup time 20 ms