The 6SE3211-4DA40 is a MICROMASTER Vector (MMV) series AC drive, engineered for applications requiring reliable constant torque control. This drive is designed for 3-phase power systems (380–500V) and supports motor outputs up to 0.55 kW. Featuring an unfiltered design and robust overload capabilities, it is built to handle the dynamic load requirements of industrial machinery, such as conveyors, pumps, and fans where precise speed control is essential.
Features
Series: MICROMASTER Vector (MMV)
Power Rating: 0.55 kW
Input Voltage: 3-Phase 380–500V ±10% AC, 50/60 Hz
Performance: Constant torque control
Overload Capability: 150% for 60 seconds; 200% for 3 seconds
Protection Class: IP20 (suitable for cabinet mounting)
Status: Obsolete (Successor: 6SE6440-2UD15-5AA1)
Applications
Material handling and conveyor systems
Centrifugal pumps and fan control
Small-scale industrial machinery
Packaging and bottling lines
HVAC applications requiring vector control
Technical Specifications
Parameter
Specification
Brand
Siemens
Model
6SE3211-4DA40
Range
Micromaster
Subrange
Vector
Product Type
AC drives
Nom. Power Rating
0.55 kW
Supply Voltage
380-500V AC
Input Phases
3
Main Frequency
50/60 Hz
Protection
IP20
Weight
1.00 kg
Dimensions
15.20 x 7.60 x 17.80 cm
Commodity Code
85044095
Product Phase
Obsolete
Installation Guidelines
Mounting: Mount the drive vertically in a clean, ventilated enclosure to ensure proper heat dissipation. Maintain recommended clearance distances around the unit.
Cabling: Use shielded cables for the motor connection to minimize electromagnetic interference (EMI). Separate signal/control wiring from power cables.
Cooling: Ensure the internal cabinet fans or ventilation system are functioning correctly, as the drive is rated for an ambient temperature range of 0 to 50 degC.
Grounding: Use a solid, low-impedance earth connection to the drive chassis to meet electrical safety standards and reduce common-mode noise.
Configuration: Utilize the integrated control terminal or compatible software tools to set parameters, such as ramp-up/ramp-down times and motor protection settings.
FAQ
What is the primary difference between constant torque and variable torque applications?
Constant torque applications (like conveyors or extruders) require the same amount of torque regardless of speed, whereas variable torque applications (like centrifugal pumps or fans) require significantly less torque at lower speeds.
What should be done if the 6SE3211-4DA40 drive fails?
As this is an obsolete model, we recommend reviewing the migration path to the successor model 6SE6440-2UD15-5AA1, which is designed to handle similar load profiles.
Can this drive be used in high-temperature environments?
The drive is rated for an ambient temperature range of 0 to 50 degC. Operation above this range will likely trigger thermal protection and may lead to a reduction in service life.
Is an external filter required for this drive?
This model is specified as 'unfiltered.' Depending on your local EMC (Electromagnetic Compatibility) regulations and the sensitivity of other equipment in the cabinet, you may need to install an external line filter.
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