Victron product page: https://www.victronenergy.com/accessories/mppt-wire-box-tr

MPPT WireBox - Tr
The MPPT WireBox provides an extra level of safety, and is particularly useful if your MPPT Solar Charger is installed in a general access area. It covers all DC terminals, preventing accidental or inquisitive contact with terminal screws.

There are various sizes available:
MPPT WireBox-S 75-10/15
MPPT WireBox-S 100-15
MPPT WireBox-S 100-20
MPPT WireBox-M 100-30/50 & 150/35 
MPPT WireBox-L Tr 150-45/60/70 & 250-60/70
MPPT WireBox-XL Tr 150-85/100 & 250-85/100

5 years