Delta M50A-260 - AC-Side Components; AC Cable Gland; AC Connection Terminals; AC Surge Protection Devices

4 Product overview
AC-side components
18
Installation and Operation Manual M50A_260 RPI503M260000 Product version L and M EU V1.3 EN 2023-08-14
4.5 AC-side components
Related topics
“5.4 Planning the grid connection (AC)”, page 37
“7.8 Connecting the grid (AC)”, page 76
4.5.1 AC cable gland
Fig. 4.3: AC cable feed-through
The AC cable gland consists of several sealing rings for di󰀨erent
cable diameters.
4.5.2 AC connection terminals
Fig. 4.4: AC connection terminals
The inverter is suitable for 3-phase grids with/without neutral
conductor.
The PE connection is realized as a separate bolt. The M8 nut,
spring washer and washer are already mounted in the inverter.
4.5.3 AC Surge Protection Devices
Fig. 4.5: View of type 2 AC surge protection devices with the
cover removed
The inverter has replaceable type-2 AC surge protection devices
(EN 61463-11) which protect the inverter against excessive volt-
ages. The type-2 AC surge protection devices are replaced as a
block.
Type 1+2 combined AC surge protection devices can be ordered
as accessories.
Related topics
“11.9 Installing/replacing type 2 combined AC surge protection
devices”, page 129
“11.8 Installing/replacing type 1+2 combined AC surge protection
devices”, page 122