PRODUCT DESCRIPTION
SIEMENS 6SE6440-2UD31-8DA1 - Variable Frequency Drive
The SIEMENS 6SE6440-2UD31-8DA1 is a MICROMASTER 440 series variable frequency drive engineered for precise speed and torque control of three-phase AC induction motors. This unit supports both V/f control and sensorless vector control, making it suitable for demanding industrial applications such as conveyors, pumps, fans, mixers, and general machinery requiring high dynamic response and wide speed ranges. It integrates an internal braking chopper and a Class A filter for enhanced system performance and compliance.
Technical Specifications:
- SERIES/FAMILY: MICROMASTER 440
- COMPONENT TYPE: Variable Frequency Drive (VFD) / Frequency Inverter
- ELECTRICAL SPECS:
- INPUT VOLTAGE: 3 AC 380-480 V (+10% / -10%)
- INPUT FREQUENCY: 47-63 Hz
- RATED OUTPUT POWER: 18.5 kW (25 HP)
- RATED OUTPUT CURRENT: 38 A
- OUTPUT FREQUENCY RANGE: 0-650 Hz
- OVERLOAD CAPACITY: 150% for 60s, 200% for 3s
- INTEGRATED BRAKING CHOPPER: Yes
- INTEGRATED EMC FILTER: Class A
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Cabinet-mount module
- COOLING METHOD: Forced air cooling (integrated fan)
- INTERFACE/CONTROL:
- CONTROL METHOD: V/f control, Sensorless Vector Control (SLVC)
- COMMUNICATION PROTOCOLS: USS protocol, MODBUS RTU (integrated)
- DIGITAL INPUTS: 6 (programmable)
- ANALOG INPUTS: 2 (programmable)
- DIGITAL OUTPUTS: 3 (relay outputs, programmable)
- ANALOG OUTPUTS: 2 (programmable)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -10 to +50 degrees C
- MOUNTING STYLE: Wall / Cabinet mounting
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Conveyor systems, pumps, fans, compressors, mixers, extruders, general machine building
- MOTOR TYPE: Three-phase AC induction motors