Brand :
SiemensThe 6SL3220-1YD46-0UB0 is a frequency converter from the Siemens SINAMICS G120XA series, rated at 110kW, and optimized for infrastructure applications such as fans, pumps, and HVAC systems.
It features a filterless design and supports multiple fieldbus protocols including Modbus RTU, BACnet MS/TP, and USS, facilitating system integration. With an IP20 protection rating, it is suitable for cabinet installation and is an officially recognized Siemens product (PM300), still readily available.

| Brand |
SIEMENS |
| Model / Part Number | 6SL3220-1YD46-0UB0 |
| Rated Power | 110kW |
| Input Voltage | 3AC 380V (-20%) to 440V (+10%) |
| Rated Output Current | Approx. 205A |
| Integrated Communication | Modbus RTU, BACnet MS/TP, USS |
| Protection Rating | IP20 |
| Dimensions (H x W x D) | 709 x 305 x 360 mm |
| I/O Interfaces | 6DI, 4DQ, 2AI, 2AQ, 1 motor temperature sensing interface |
Q: In what applications is this frequency converter mainly used?
A: It is mainly used in applications such as fans, pumps, and compressors, commonly found in water/sewage treatment, HVAC, irrigation, and industrial cooling industries. It is particularly suitable for scenarios requiring high inertial loads, such as large fans and centrifugal pumps.
Q: Can it be used in heavy-duty applications?
A: Yes. Its overload capacity is 110% for 60 seconds, repeated every 600 seconds, providing a certain overload capability suitable for heavy-duty applications requiring short-term overload.
Q: What types of motors does it support?
A: It is very flexible, supporting not only standard asynchronous motors (induction motors) but also permanent magnet synchronous motors (PMSM) and synchronous reluctance motors (SRM), among other motor types.
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