220V 0.37-2.2KW;380V 0.75KW-15KW 1,Static power is lower than 3.5W.Active power is lower than 4.5W;2,No-load is 000,auto-reset time is 30 minutes after no-load protection;Over-load is set according to the max.Power.like 3 phase 4KW IS SET 8a,single 2.2KW is 11A.3,The max.control distance:1000m.4Protect function anti-time-extending feature

BB-B1-4000C pump control box