"This unlocking aid is required to install the Hoymiles HMT microinverter.
You can open the T-node (AC box) with the unlocking aid.
Hoymiles HMT inverter system accessoriesA T-node with AC cable is required for each HMT inverterFor each inverter system (from a microinverter upwards), at least one end cap and one unlocking aid are requiredThe disconnection aid and connection cap can also be purchased separatelyExample HMT accessory set:One PV system with 4x HMT 2250 (all interconnected)4x T-nodes with AC cable1x unlocking aid1x disconnection aid (optional)1x end cap"