Siemens 6SL3210-1KE21-3UP1: SINAMICS G120C Compact Frequency Inverter
The Siemens 6SL3210-1KE21-3UP1 is a versatile and compact frequency inverter from the SINAMICS G120C series, specifically designed for industrial applications requiring precise speed and torque control of three-phase induction motors. This unfiltered power module is engineered for high-density control cabinet installations, offering a space-saving design combined with high power density. It is an ideal solution for conveyors, mixers, agitators, and basic machine handling applications.
As a member of the SINAMICS family, the 6SL3210-1KE21-3UP1 integrates seamlessly into automated environments, supporting advanced communication protocols and providing robust motor protection features to ensure long-term operational reliability.
Technical Specifications and Electrical Data
Based on the official Siemens manufacturer data sheets, the 6SL3210-1KE21-3UP1 features the following technical characteristics:
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Rated Power: 5.5 kW (7.5 hp) for high-overload applications.
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Input Voltage: Three-phase 380 V to 480 V AC (+10% / -20%).
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Output Current: 12.5 Amps (12.5A) at rated power.
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Frame Size: FSB (Compact footprint).
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EMC Filter: Unfiltered (suitable for specific industrial grid configurations).
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Communication: Integrated PROFINET interface for high-speed network integration.
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Overload Capability: 150% overload for 60 seconds within a 300-second cycle.
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Safety Functions: Integrated Safe Torque Off (STO) as standard.
Strategic Advantages for Industrial Drive Systems
The 6SL3210-1KE21-3UP1 offers essential benefits for maintaining high-tier automation infrastructures:
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Compact Design: The G120C series allows for side-by-side mounting without derating, significantly reducing the required space in the electrical enclosure.
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Seamless TIA Portal Integration: Optimized for engineering within the Totally Integrated Automation (TIA) framework, allowing for rapid commissioning and parameterization.
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Advanced Motor Control: Supports V/f control as well as sophisticated Vector Control without encoder, ensuring high dynamic performance under varying load conditions.
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High Availability: Built with industrial-grade coated boards (3C2) to resist corrosive gases and moisture, ensuring high plant availability even in harsh industrial climates.
