The new TCW 3043 SDD (Solar Direct Drive) consist basically of a TCW 3000 DC but it has had some major modifications on the electronic level as well as in the icelining, designed for tropical temperatures. Net vaccine storage capacity : 89 L Autonomy : 116 h 41 min. at +43°C ambient temperature Minimum solar radiation for continious running 250 W/m²/PQS ref. 3. 5 KWh / 24 h / m² Hold over time: 124 h 48 min. at +43°C ambient temperature PQS-Code: E003/045