Product Introduction
The Siemens 6SE7021-0EP70-Z is a SIMOVERT MASTERDRIVES Motion Control - Performance 2 Converter Compact Plus unit designed for demanding industrial automation applications. This AC converter delivers reliable performance with input voltage of 3 AC 380–480 V and output current of 10 A, making it a robust choice for upgrading older drive systems. As part of the SIMOVERT family, the 6SE7021-0EP70-Z offers a compact footprint (90 x 360 x 260 mm) and weighs only 4.2 kg, simplifying installation in space-constrained panels.
Technical Specifications Breakdown
Below are the key technical parameters of the Siemens 6SE7021-0EP70-Z, directly from the product database. Each specification contributes to its suitability for precise motion control tasks.
| Parameter |
Value |
| Input Voltage |
3 AC 380–480 V |
| Output Current |
10 A |
| Rated Power |
4 kW |
| Dimensions |
90 x 360 x 260 mm |
| Weight |
4.2 kg |
The 10 A output current enables smooth motor control, while the 4 kW power rating handles medium-duty applications. Dimensions allow easy integration into standard cabinets.
Industry Applications
The Siemens 6SE7021-0EP70-Z excels in industrial environments requiring precise speed and torque regulation. Typical use cases include:
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Conveyor systems – the 4 kW output reliably drives material handling lines.
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Pump and fan control – the 380-480 V input range suits common three-phase networks.
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Machine tool spindles – the compact design fits retrofits of older drives.
When upgrading legacy equipment, the 6SE7021-0EP70-Z provides a cost-effective path to modern performance.
Installation & Setup Guidance
Mount the Siemens 6SE7021-0EP70-Z on a vertical, non-flammable surface with adequate clearance for airflow. Use the included documentation on CD for detailed wiring diagrams. Ensure the input supply matches 3 AC 380–480 V, 50/60 Hz. The IP20 rating requires installation inside a clean, dry enclosure. Connect the motor to the output terminals rated for 10 A continuous current.
Maintenance & Reliability
Regular inspection of the Siemens 6SE7021-0EP70-Z ensures long service life. Check for dust accumulation on the heatsink and use low-pressure compressed air for cleaning. Verify that input phase voltages remain within the specified range. The rugged design of this converter minimizes downtime, making it a smart choice for continuous production lines.
Selection Guide & Purchasing Advice
Before ordering the Siemens 6SE7021-0EP70-Z, confirm that your application’s power requirements fit within 4 kW and 10 A. Verify the enclosure meets IP20 protection needs. For sourcing genuine Siemens parts, trust ubest101 – your reliable partner for industrial automation spares. We stock this converter ready for immediate shipment.