The Siemens MICROMASTER 420 UNFILTERED 3AC 380-480V 6SE6420-2UD21-1AA1 is a versatile frequency converter from the MICROMASTER 420 series, designed for precise speed control of three-phase AC motors. With a power rating of 1.1 kW (1.5 HP), this compact unit accepts a wide input voltage range of 380-480 VAC and delivers a rated output current of 3.0 A. The robust design of the module ensures reliable performance in various industrial applications, from conveyor systems to pump and fan control.

This model offers flexible control capabilities, supporting both V/f control mode with an output frequency range from 0 to 650 Hz and featuring integrated PID functionality for enhanced process control. The Variable Speed Drives Siemens 6SE6420-2UD21-1AA1 provides substantial overload capacity, capable of delivering 150% of the rated output current for up to 60 seconds, making it suitable for applications with demanding start-up or intermittent load requirements.

For system integration, the 6SE 6420-2UD21-1AA1 Siemens Variable Speed Drives comes equipped with comprehensive I/O options including multiple digital and analog inputs and outputs. The unit features a fixed pulse frequency of 4 kHz and is designed for straightforward installation with either DIN rail or direct mounting options. Its compact Frame Size A dimensions make the 6SE 6420-2UD21-1AA1 universal drive Siemens an ideal choice for space-constrained control panels.

Operating within an ambient temperature range of -10°C to +50°C, the Drive Automation Siemens 6SE6420-2UD21-1AA1 maintains stable performance while requiring minimal maintenance. Though supplied without an operator panel or EMC filter, these accessories are available separately to complete the drive system according to specific application needs, ensuring adaptability across diverse industrial environments.