
6SL3210-1KE21-7UB1
The Siemens SINAMICS G120C – 6SL3210-1KE21-7UB1 is a compact variable frequency drive designed for reliable speed, torque and motor control in industrial automation applications. With a 3-phase 380–480 V supply, the drive supports 7.5 kW low-overload operation and 5.5 kW high-overload operation, making it suitable for machines requiring controlled motor acceleration, deceleration and continuous speed regulation.
The unfiltered FSB-size drive integrates essential digital and analog I/O, communication through USS/MODBUS RTU, external 24 V support and integrated Safe Torque Off (STO). Its compact 196 × 100 × 203 mm enclosure and IP20/UL Open Type construction make it suitable for panel-based machine integration.
PRODUCT SPECIFICATIONS
· Product: SINAMICS G120C Variable Frequency Drive
· Article Number: 6SL3210-1KE21-7UB1
· Input Supply: 3AC 380–480 V +10% / -20%
· Frequency: 47–63 Hz
· Low Overload Rating: 7.5 kW
· High Overload Rating: 5.5 kW
· Low Overload Capacity: 150% for 3 s, 110% for 57 s, 100% for 240 s
· High Overload Capacity: 200% for 3 s, 150% for 57 s, 100% for 240 s
· I/O Interface: 6 DI, 2 DO, 1 AI, 1 AO, 1 Motor Temperature input
· Communication: USS / MODBUS RTU
· Safety Function: Integrated Safe Torque Off (STO)
· Auxiliary Supply: External 24 V
· Protection: IP20 / UL Open Type
· Frame Size: FSB
· Dimensions: 196 × 100 × 203 mm (H × W × D)
· Design: Unfiltered compact drive
SIEMENS AUTOMATION INTEGRATION
· PLC Integration: Connect with Siemens SIMATIC PLC systems for coordinated machine sequencing, motor commands and status monitoring.
· MODBUS RTU / USS Communication: Supports serial communication for drive parameter access, control commands and operating-status exchange.
· Digital I/O Control: Six digital inputs and two digital outputs allow practical integration of start/stop commands, interlocks and machine status signals.
· Analog Signal Integration: One analog input and one analog output support speed references, process signals and feedback-related applications.
· Motor Temperature Monitoring: Dedicated motor-temperature input helps incorporate motor thermal information into the drive-control architecture.
· Safety Integration: Integrated STO provides a drive-level safety function for suitable machine safety architectures.
· External 24 V Supply: Helps maintain control-related functionality when the main power supply is unavailable, subject to the applicable configuration and system design.
· Panel Integration: The compact FSB format supports space-conscious control cabinet and machine-panel designs.
BENEFITS
· 7.5 kW Low-Overload Capacity – Suitable for applications requiring continuous controlled motor operation.
· High Overload Capability – Supports demanding load conditions with defined overload performance.
· Compact FSB Construction – Helps optimize control-panel space.
· Integrated STO – Provides an integrated safety function for appropriate machine designs.
· Multiple I/O Options – Simplifies connection of sensors, commands, interlocks and analog process signals.
· USS / MODBUS RTU Connectivity – Enables communication with compatible automation and control systems.
· External 24 V Support – Provides additional flexibility for control-system configuration.
· Motor Temperature Interface – Supports motor thermal monitoring within the drive architecture.
· Flexible Machine Integration – Suitable for conveyor, pump, fan, material-handling and general machine-drive applications.
· Siemens Automation Compatibility – Fits into automation solutions using Siemens drives and SIMATIC control components.
· Panel-Friendly Design – IP20 construction is appropriate for installation inside a suitable electrical enclosure.
· Efficient Drive-Based Control – Provides controlled motor speed and operation according to the configured application requirements.
Maan Electro Controls
📧 info.maanelectrocontrols@gmail.com
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