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Industrial device

6SL3120-1TE21-8AA3

Siemens • SINAMICS S120 • Motion/CNC • servo_drive
Siemens servo_drive

Specifications

Siemens

Brand

Siemens

Series

SINAMICS S120

Line

Motion/CNC

Unit type

Single Motor Module

Device type

servo_drive

Voltage range

DC 510–720V link → 3AC 400V

Rated current

18A

Rated power

~9.7kW

Typical application

Compact axis module for servo/spindle in CNC racks

IGBT/power stage faults; thermal trips; DC-link undervoltage

Details

  • Brand: Siemens
  • Series: SINAMICS S120
  • Line: Motion/CNC
  • Unit type: Single Motor Module
  • Device type: servo_drive
  • Voltage range: DC 510–720V link → 3AC 400V
  • Rated current: 18A
  • Rated power: ~9.7kW
  • Typical application: Compact axis module for servo/spindle in CNC racks

Common failures

IGBT/power stage faults; thermal trips; DC-link undervoltage

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