Overview
The Siemens 6SL3210-1KE23-2AP1 is a compact frequency inverter from the SINAMICS G120C series, engineered for flexible AC motor speed control in industrial automation. With a rated power of 15 kW at 400 V three-phase, this drive combines the power unit, control unit, and safety functions into a single housing, streamlining integration into existing systems and reducing panel real estate.
Key Features
- Rated power: 15 kW (High Overload mode); compact, rugged design with optional operator panels
- Three-phase input: 380–480 V ac ±10%, 47–63 Hz with integrated Class A filter
- Output frequency: 0–550 Hz for flexible motor speed control
- High overload capability: 200% base load current for 3 seconds, then 150% for 57 seconds in a 300-second cycle
- Integrated safety torque off function for dependable motor shutdown
- Digital I/O: 6 digital inputs, 2 digital outputs, plus 1 analogue input and 1 analogue output for external device integration
- Network support: PROFINET and EtherNet/IP for seamless fieldbus connectivity
Technical Specifications
- Degree of protection: IP20 / UL open type (solid particle protection, no moisture ingress)
- Operating temperature: −10 to +40 °C ambient, max 95% relative humidity (non-condensing)
- Altitude rating: Up to 1000 m without derating; cooling requirement 0.018 m³/s
- Certifications: UL, cUL, CE, and RCM (C-Tick) compliant for global markets
- Efficiency: IE2 rated motor efficiency class during operation
- Dimensions: 295 mm (H) × 140 mm (W) × 225.4 mm (D); weight ≈4.40 kg
- Supply frequency tolerance: 47–63 Hz input
Typical Applications
The Siemens 6SL3210-1KE23-2AP1 excels in pump and fan systems, conveyor lines, mixers, packaging machinery, textile equipment, and other variable-load industrial processes where energy efficiency and precise speed control are essential. Its overload capability and integrated safety functions make it ideal for demanding duty cycles in manufacturing and process control environments.
Compatibility & Replacements
This unit is part of the widely deployed SINAMICS G120C product family and maintains pin-to-pin mechanical and electrical compatibility with other 15 kW G120C variants (such as the 6SL3210-1KE23-2UF1 and 6SL3210-1KE23-2AF1). Always verify communication protocol (PROFINET vs. unfiltered) and control interface requirements before substitution. For Allen-Bradley shops using CompactLogix or ControlLogix, integrating this drive via EtherNet/IP fieldbus simplifies PLC commissioning and reduces wiring complexity.
