Protective devices

Grid monitoring

Available

Input-side disconnection point

DC load-break switch¹⁾

DC reverse polarity protection

Available

AC short-circuit current capability

Available

Leakage current protection

Available

AC overvoltage protection"

Surge arrester type 2

DC overvoltage protection

Surge arrester type 1+2

Ground fault monitoring

Insulation monitoring: R_iso > 50 kΩ

DC switch

Available

Arc-fault circuit interrupter (AFCI)

Available

Maximal output overcurrent protection

375 A

All-pole sensitive residual-current monitoring unit

Available

Active anti-islanding method

Frequency shift