Yes, depending on the inverter type, an RCD/FI type A is recommended.
These are as follows:
- SUN2000-3-10KTL-M1 - 100mA
- SUN2000-12-20KTL-M2 - 300mA
- SUN2000-30KTL-M3 - 300mA
- SUN2000-36/40KTL-M1 - 500mA
- SUN2000-33KTL-A - 300mA
- SUN2000-36KTL - 500mA
- SUN2000-60KTL-M0 - 750mA
- SUN2000-215KTL-H3 - 1850mA