Siemens 6SL3220-1YD20-0UB0 - SINAMICS G120XA infrastructure converter for documented industrial drive duty
SINAMICS G120XA infrastructure converter that controls a pump or fan motor for the documented G120XA infrastructure-converter duty in the documented Siemens drive system.
Documented system function
Rebuilt from individual evidence
The cited Siemens documentation identifies 6SL3220-1YD20-0UB0 as SINAMICS G120XA infrastructure converter.
Its documented role is to controls a pump or fan motor for the documented G120XA infrastructure-converter duty; the cited source records 380-440 V three-phase input, a 4 kW low-overload rating, and the unfiltered variant.
In the system, it is between the three-phase AC supply and a standard pump or fan motor.
- Exact reference
- 6SL3220-1YD20-0UB0
- Category
- Drives / VFD
- Evidence checked
- 2026-09-12
System role
This section explains what the product does and where it acts in the surrounding system.
- Function
- The unit controls a pump or fan motor for the documented G120XA infrastructure-converter duty.
- System position
- Sits between the three-phase AC supply and a standard pump or fan motor.
- Upstream / inputs
- Receives three-phase line power and the pump or fan control setpoint.
- Downstream / outputs
- Supplies variable-frequency power to the downstream pump or fan motor.
- Limitations
- Unknown: installed wiring, firmware, motor or load compatibility, unit condition, and current commercial availability.
Evidence ledger
Facts, inferences, and unknowns are kept separate.
Facts
Siemens 6SL3220-1YD20-0UB0 is documented as a SINAMICS G120XA infrastructure converter.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The cited Siemens documentation states that 6SL3220-1YD20-0UB0 controls a pump or fan motor for the documented G120XA infrastructure-converter duty.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The cited Siemens documentation records 6SL3220-1YD20-0UB0 as 380-440 V three-phase input, a 4 kW low-overload rating, and the unfiltered variant.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
Inferences
Inferred system position: 6SL3220-1YD20-0UB0 is between the three-phase AC supply and a standard pump or fan motor.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
Unknowns
Unknown: installed wiring, firmware, motor or load compatibility, unit condition, and current commercial availability.
System position diagram
View Mermaid source
flowchart LR\n Supply[Line supply] --> Drive[6SL3220-1YD20-0UB0]\n Drive --> Load[Controlled motor load]View diagram labels
- Nodes
- Line supply; 6SL3220-1YD20-0UB0; Controlled motor load
- Edges
- Drive input power; Controlled output
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