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Siemens SINAMICS 6SL3120-1TE21-8AA3

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6SL3120-1TE21-8AA3

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The Siemens 6SL3120-1TE21-8AA3 is a single motor control unit weighing approximately 5 kg. It operates with a nominal current output of 18 A and is designed for efficient cooling with an internal air circulation fan.

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Technical specifications for 6SL3120-1TE21-8AA3

ManufacturerSiemens
Product LineSINAMICS
Part Number6SL3120-1TE21-8AA3
UPC662643432824
Weight11.00 lbs (4.99 kg)
Product CategorySingle Motor Control Unit
Cooling ConfigurationInternal Air Circulation Fan
Overvoltage Cutoff Threshold820 VDC ± 2%
Undervoltage Cutoff Threshold380 VDC ± 2%
Control Electronics Voltage Supply24 VDC (Range: 20.4 to 28.8 VDC)
Current Drawn by Electronics at 24 VDC0.85 A
Power Capacity Based on Nominal Current9.7 kW
Nominal Output Current18 A
Continuous Load Current15.3 A
Short-term Duty Current at 40%24 A
Maximum Allowable Current36 A
Output Voltage Span0 to 0.717 times DC-Link Voltage
DC-Link Voltage Operational Range510 to 720 VDC
DC-Link Capacitance Value220 µF
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The Siemens model 6SL3120-1TE21-8AA3 is classified as a single motor control unit. With an approximate weight of 5 kg, this unit is efficient for various motor control applications. An internal air circulation fan handles the cooling requirements, ensuring reliable operation during extended use.

The unit's technical specifications include an operational range for the DC-link voltage, which varies between 510 VDC and 720 VDC. The control unit can handle an overvoltage cutoff threshold of 820 VDC ± 2% and an undervoltage cutoff of 380 VDC ± 2%, protecting the system from voltage fluctuations.

The control electronics' power supply is 24 VDC, allowing a range between 20.4 VDC and 28.8 VDC. At this voltage, the control electronics draw a current of 0.85 A. Based on its nominal current specifications, this unit boasts a power capacity of 9.7 kW.

Regarding current ratings, the nominal output current is set at 18 A, while the continuous load current operates at 15.3 A. The unit can handle up to 24 A at a 40% duty cycle for short-term duties. Overall, the maximum allowable current is 36 A. The output voltage can reach from 0 to 0.717 times the DC-link voltage, accommodating various motor needs.