6SE7021-8TB61 Siemens MASTERDRIVES VC Inverter
Manufacturer: Siemens
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Part Number: 6SE7021-8TB61
Condition：New with Original Package
Product Type: Frequency Converters
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Siemens 6SE7021-8TB61 SIMOVERT MASTERDRIVES VC Frequency Converter
Configured for precision speed and torque regulation in complex industrial setups, the Siemens 6SE7021-8TB61 (6SE7021-8TB61 Frequency Converter) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 6SE7021-8TB61 |
| Brand | Siemens |
| Origin | Standard Industrial Manufacturing |
| Weight | Not specified |
| Dimensions | Standard cabinet-mount profile |
| Operating Temp | 0 deg C to +40 deg C (Up to +50 deg C with derating) |
| Power Consumption | 11 kW (15 HP) rated power |
| Current Rating | 25 Amps (Nominal) |
| Input Voltage | 3-Phase AC, 380 V to 480 V (+/- 10%) |
| Output Frequency | 0 Hz to 650 Hz |
| Control Method | Field-Oriented Vector Control |
Backplane Bus Communication Velocity and Deterministic Networks
Engineered to operate within demanding factory environments, the drive architecture utilizes high-speed backplane bus communication velocity and deterministic networking protocols to manage multi-axis synchronization. The internal control processor executes rapid firmware loops, ensuring low-latency feedback handling for vector control loops. Furthermore, the drive supports firmware flash compatibility and scalable I/O integration via optional technology boards, maintaining tight coordination across complex motion control topologies without communication bottlenecks.
Frequently Asked Questions
Q: Can this frequency converter be replaced directly with a newer SINAMICS drive without software changes?
A: No. A migration to SINAMICS platforms requires physical hardware modifications and adjustments to the communication mapping within the PLC program.
Q: What actions should be taken if the drive triggers an overtemperature fault code?
A: Maintenance personnel must inspect the internal forced-air cooling fans for unrestricted rotation and check that cabinet ventilation filters remain clean and free of dust blockages.
Field Installation Guidelines
- Disconnect and lock out all 3-phase AC input power sources and connected motor leads before handling the drive.
- Mount the converter securely to the vertical backplate of the electrical cabinet, ensuring proper clearance above and below for the internal forced-air cooling profile.
- Terminate the 380-480 V AC supply cables, motor feeder wires, and control signal lines while applying proper shielding and grounding practices to minimize electromagnetic interference.
- Verify all wiring integrity, input voltage levels, and terminal torque settings before energizing the cabinet and uploading parameter configurations.