Siemens 6SE6411-6UD17-5BA1 Variable Frequency Drive

Siemens Micromaster 411 6SE6411-6UD17-5BA1 is an unfiltered, 380–480 V AC three-phase variable frequency drive designed to deliver precise motor speed control for industrial equipment. The MLFB 6SE6411-6UD17-5BAx specifies a 0.75 kW constant-torque power rating with a 150% overload capability for 60 seconds, offering brief torque boosts when needed. It carries IP66 protection for robust performance in dusty or damp environments and is built as Frame Size B with dimensions of 135 × 222 × 154 mm (H × L × W). The drive accepts a 3AC 380–480 V supply with +10%/−10% voltage tolerance and 47–63 Hz input frequency, and it is specified as without an internal filter. Common uses include driving fans, pumps, conveyors, and other automation tasks in industrial settings where strong enclosure protection and reliable speed control are essential. The unit is rated for an operating ambient temperature range of −10 to +40 °C, enabling dependable operation across a wide range of plant conditions.