According to new VDE AR-N 4105:2018-11, Enwitec grid and plant protection for 2 separate systems up to 43.5 kVA, 63A

A central grid and plant protection system must be set for PV systems above 30 kVA. The revised requirements apply here according to current VDE AR-N 4105:2018-11. These are naturally met by Enwitec feed guard grid and plant protection. 

This special box is used if the new total output exceeds 30kVA in a retrofit, but both systems must be counted separately. 

Product features:

• Connection of 2 separately counted systems possible
• Pre-assembled, ready-to-connect solution
• Cable connections via terminal connections
• Large connection area in the housing
• Dimensions: 540 x 720 x 201 mm
• Protection class: IP54
• Weight: about 35 kg