ASM-12/50E: The powerful Heavy Duty Motor ASM-12/50E has an impressive 50nM at 12 rpm enabling it to lift the vast majority of curtains seen in commercial premises.. The diameter of the motor is a slimline 45mm. The economic power usage of the ASM-12/50E is just 250W at 240V and 1.089A. The motor is classed with IP44. All our remote controls are compatible