Model: DB129 Installed vehicle: Dongfeng W03 ① Operating voltage:11 -15V; ② Operating current:operating current of regulator is not higher than 10A, locked-rotor current is not higher than 27A; ③ Closing force:≥120 ~300N; ④ Effective travel: ≥440mm; ⑤ Operating time:both the upward and downward movement speed: 70 ~200mm/s; ⑥ Thermal protection property:opening time 2 ~60s,recovery time<20s; ⑦ Endurance quality:20000 cycles.