Siemens 6SE6400-4BD11-0AA0 is a MICROMASTER 4 braking resistor designed for MICROMASTER 440 inverters, compatible with 380–480 V AC power. It features a 390 Ω braking element and supports a braking power rating up to 2 kW (peak) with 100 W continuous. The unit measures 230 mm high, 72 mm wide, and 43.5 mm deep, carries IP20 protection, and uses shielded lead connections for power and control wiring. This accessory is specifically specified for MICROMASTER 440 drives, delivering a dedicated energy-dissipation path in braking cycles for 380–480 V systems.
