ASM-12/20E: The powerful ASM-12/20E has an impressive 20nM at 12 rpm enabling it to lift the vast majority of curtains seen in domestic premises. The diameter of the motor is a slim 45mm. The economic power usage of the ASM-12/20E is just 135W at 240V and 0.588A. The motor is classed with IP44. All our remote controls and smarthub are compatible.