Description
Siemens SIMOVERT MASTERDRIVES 6SE7021-3TB51-Z Motion Control Drive Unit supplied by Anish Marine is a high-performance AC drive designed for precision motor control, variable speed applications, and industrial automation systems. Built for demanding marine and industrial environments, this drive unit delivers reliable performance for process automation, conveyor systems, pumps, fans, cranes, compressors, and heavy-duty machinery.
This drive is equipped with the 6SE7090-0XX84-0FF5 CBP2 PROFIBUS Communication Module and 6SE7090-0XX84-0KA0 Adapter Module, enabling dependable communication and seamless integration into Siemens SIMOVERT MASTERDRIVES automation networks. Every unit supplied by Anish Marine is professionally inspected and functionally tested to ensure dependable operation before dispatch.
We supply reconditioned and reusable Siemens SIMOVERT drive modules for replacement, maintenance, retrofit, and modernization projects. These drives are widely installed in marine automation systems, electrical switchboards, propulsion control systems, industrial production lines, power generation plants, offshore installations, manufacturing facilities, and process industries.
Anish Marine stocks a comprehensive inventory of Siemens PLC modules, HMI panels, SIMOVERT drives, SINAMICS drives, power supplies, communication modules, industrial automation spare parts, and marine electrical equipment to support shipowners, automation contractors, OEMs, and industrial maintenance companies worldwide.
| Specification | Details |
|---|---|
| Manufacturer | Siemens |
| Brand | SIMOVERT |
| Product Name | Siemens SIMOVERT MASTERDRIVES Motion Control Drive Unit |
| Series | SIMOVERT MASTERDRIVES Motion Control Series |
| Main Model Number | 6SE7021-3TB51-Z |
| Option Module 1 | 6SE7090-0XX84-0FF5 (CBP2 PROFIBUS Communication Module) |
| Option Module 2 | 6SE7090-0XX84-0KA0 (ADB Adapter Module) |
| Equipment Type | AC Drive / Variable Frequency Drive (VFD) |
| Drive Family | SIMOVERT MASTERDRIVES Motion Control |
| Drive Type | Compact Inverter Drive Unit |
| Input Voltage | 510–650V DC Link |
| Input Current | 13.2A |
| Communication | PROFIBUS DP (CBP2) |
| Cooling Method | Forced Air Cooling |
| Mounting Type | Cabinet / Panel Mount |
| Protection Rating | IP20 |
| Condition | Used / Reconditioned / Re-usable |
| Inspection | Quality Tested by Automation Engineers |
| Availability | Ready Stock (Subject to Availability) |
| Worldwide Delivery | 24–48 Hour Dispatch Available |
We provide worldwide delivery to major ports including Singapore, Dubai (Jebel Ali), Fujairah, Mumbai, Shanghai, Piraeus, Jeddah, and other international destinations. Browse our complete range of Automation Equipments or contact Anish Marine for pricing, stock availability, and technical support.



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