Central mains and system protection according to VDE-AR-N 4105 with motor-driven coupling switch.
• Under-/overvoltage monitoring
• Under-/overfrequency monitoring
• Voltage quality monitoring (10-minute average)
• Vector jump monitoring can be switched on
• Single-fault proof due to switch-off signal at EZA
• Self test
• Presetting according to VDE-AR-N 4105, values can be changed
• Protection class IP65
• Alarm counter, alarm sum time
• Sealing possibility and code protection
• 4-pole contactors (3 phases + N)
• PE terminals
• total off time < 150 ms