Above type board Gear rolling shutter motor can be operated by electricity and manual , precise limit by limiter controller automatically
1 ) design and make gear rolling shuter motor according to your requests : AC motorAC & DC motor
2 ) AC motor from 200KG to 1500KG , DC motor from 300KG to 800KG
3 ) design gear rolling shutter motor for voltage in 110V / 220V / 380V
4 ) with four relays inside make sure its save character .