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Siemens SINAMICS 6SL3210-1KE21-7AB1

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6SL3210-1KE21-7AB1

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The Siemens 6SL3210-1KE21-7AB1 is a variable frequency drive (VFD) that operates effectively within a three-phase power system. It supports input voltage levels between 380 and 480 V AC.

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Technical specifications for 6SL3210-1KE21-7AB1

ManufacturerSiemens
Product LineSINAMICS
Part Number6SL3210-1KE21-7AB1
UPC887621207427
Weight7.00 lbs (3.18 kg)
Description of ModuleVFD (Variable Frequency Drive)
Storage Temperature Range-20°C to 60°C
Humidity Range5% to 95% (non-condensing)
Input Voltage380–480 V AC, 3-phase
Nominal Power RatingUp to 7.5 kW (10 HP) at 400 V AC
Output Frequency Range0.5 to 550 Hz
Output Phases3-phase
Overload Capacity (Low Overload)150% for 3 seconds, 110% for 57 seconds, 100% for 240 seconds
Overload Capacity (High Overload)200% for 3 seconds, 150% for 57 seconds, 100% for 240 seconds
Integrated Line FilterClass A
External 24 V I/O Interface6 Digital Inputs (DI), 2 Digital Outputs (DO), 1 Analog Input (AI), 1 Analog Output (AO)
Integrated FieldbusUSS/Modbus RTU
Protection RatingIP20 (UL Open Type)
Operating Temperature Range0°C to 45°C
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The 6SL3210-1KE21-7AB1 module from the Siemens SINAMICS series operates as a variable frequency drive (VFD). This unit accepts input voltages in the range of 380 to 480 V AC and is configured for a three-phase electrical supply. It has a nominal power rating of up to 7.5 kW or 10 HP when running at 400 V AC, ensuring adequate support for different motor types in various applications.

This drive functions efficiently with an output frequency spanning from 0.5 Hz to 550 Hz. Such a wide frequency range is advantageous for operations requiring different levels of motor speed control. As for overload performance, the drive can handle a low overload of 150% for short bursts of 3 seconds, 110% for 57 seconds, and sustained output of 100% for up to 240 seconds. In high overload conditions, it accepts 200% for 3 seconds, 150% for 57 seconds, and maintains 100% over longer durations, confirming its robustness in demanding environments.

Environmental considerations are addressed with a storage temperature range of -20°C to 60°C and a relative humidity tolerance from 5% to 95% without condensation. It has an IP20 protection rating, which indicates it is designed for use in non-harsh environments. The integrated Class A line filter minimizes electrical noise for cleaner operation.

The external I/O connectivity options include six digital inputs, two digital outputs, one analog input, and one analog output, facilitating flexible interfacing with various systems and sensors. Integrated fieldbus compatibility offers support for USS/Modbus RTU communication protocols, enhancing system integration. Dimensions of the module are 196 mm in width, 100 mm in height, and 203 mm in depth, making it suitable for control cabinets or compact installations, while its operating temperature range is professionally managed between 0°C and 45°C for optimal performance.