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Siemens SINAMICS 6SL3120-2TE21-0AA3

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6SL3120-2TE21-0AA3

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The 6SL3120-2TE21-0AA3 from Siemens is a dual-motor drive module within the SINAMICS series. Its voltage output range allows for up to 0.717 of the DC-link voltage, allowing it to efficiently handle power requirements.

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Technical specifications for 6SL3120-2TE21-0AA3

ManufacturerSiemens
Product LineSINAMICS
Part Number6SL3120-2TE21-0AA3
UPC662643432978
Weight15.00 lbs (6.80 kg)
Product ClassificationDual motor drive module
Voltage Output Range0 to 0.717 of the DC-link voltage
Nominal Current per Channel2 × 9 amps
Continuous Operating Current2 × 7.7 amps
Short-term Overload Current (40%)2 × 10 amps
Maximum Instantaneous Current2 × 18 amps
Device Mass5.5 kilograms
Cooling System DesignBuilt-in air circulation fan
Highest Operational Temperature40°C normal, 55°C with reduced capacity
Energy Loss During Operation187.6 watts
Auxiliary Power Supply Voltage24 volts DC (20.4 to 28.8 volts range)
Auxiliary Power Supply Current Draw1.15 amps DC
DC Power Bus Voltage Range510 to 720 volts DC
Maximum DC-Link Current Capacity22 amps DC
Capacitance of the DC-Link Circuit220 μF
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Siemens' 6SL3120-2TE21-0AA3 is a dual-motor drive module designed to efficiently operate various applications. This unit features a voltage output range reaching up to 0.717 of the DC-link voltage. It is rated for a nominal current of 9 amps on each channel, while the continuous operating current is rated at 7.7 amps for sustained usage.

It can handle short currents of up to 10 amps for brief overload conditions at a 40% duty cycle. The highest instantaneous current can spike to 18 amps, ensuring robust performance when needed. The unit's considerable weight of 5.5 kilograms contributes to its stability during operations. An integrated cooling mechanism utilizing an air circulation fan aids in maintaining optimal temperatures while running.

The module operates effectively in environments with a maximum temperature of 40°C but can handle up to 55°C when capacity is somewhat reduced. During operation, it dissipates energy losses of 187.6 watts. It functions with an auxiliary power supply voltage of 24 volts DC, ranging from 20.4 to 28.8 volts, and draws a current of 1.15 amps DC from this supply.

The DC power bus voltage span acceptable for the module ranges from 510 volts to 720 volts DC. Additionally, it can accommodate a maximum DC-link current capacity of 22 amps DC. The capacitance of the DC-link circuit is rated at 220 μF, which supports stable operation under varying conditions.