VFD for Compressors: Selection Guide
How to select and size a VFD for screw, reciprocating and centrifugal compressors, covering overload rating, turndown limits and energy savings.
- Part number
- 6SL3225-0BE31-1AA1
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SINAMICS G120Siemens 6SL3225-0BE31-1AA1 SINAMICS G120 PM250 FSC 11kW 400V VFD Power Module
SINAMICS G120 Power Module PM250, FSC, 380-480V, 15kW LO / 11kW HO, Class A filter, IP20
Description
About the 6SL3225-0BE31-1AA1
About the 6SL3225-0BE31-1AA1
The Siemens 6SL3225-0BE31-1AA1 is a SINAMICS G120 Power Module PM250 in FSC frame, rated 15.00kW low overload / 11.00kW high overload at 380-480V 3AC input, with an integrated Class A EMC filter and energy-recovery capability. Output current reaches 52.00A max at a 4kHz pulse frequency, rated IP20 without Control Unit or BOP.
Selection Notes
The PM250's integrated Class A filter and energy-recovery capability distinguish it from a PM240-2 unit of similar power: braking energy is fed back into the supply instead of dissipated in a resistor, which matters for cranes, centrifuges, or other frequently decelerating loads. At 15.00kW (LO) / 11.00kW (HO) with a 26.00A rated HO current and 52.00A maximum output, this module sits at the lower end of the PM250 FSC power range; the Class A filter limits conducted emissions for standard industrial environments but is not sufficient for residential Class B installations.
Applications
Used as the power stage of a SINAMICS G120 drive for fans, pumps, and hoists on a 380-480V three-phase supply where regenerative braking reduces resistor heat load. Pairs with a matching Control Unit and BOP display; screw-type terminals are fitted as standard.
Specification
Full specification
Rated data 17
| Input: Number of phases | 3 AC |
|---|---|
| Input: Line voltage | 380 ... 480 V ±10 % |
| Input: Line frequency | 47 ... 63 Hz |
| Input: Rated current (LO) | 32.00 A |
| Input: Rated current (HO) | 26.00 A |
| Output: Number of phases | 3 AC |
| Output: Rated voltage | 1) |
| Output: Rated power (LO) | 15.00 kW / 20.00 hp |
| Output: Rated power (HO) | 11.00 kW / 15.00 hp |
| Output: Rated current (LO) | 32.00 A |
| Output: Rated current (HO) | 26.00 A |
| Output: Max. output current | 52.00 A |
| Output: Pulse frequency | 4 kHz |
| Output: Output frequency for vector control | 0 ... 200 Hz |
| Output: Output frequency for V/f control | 0 ... 550 Hz |
| Low Overload (LO) | 1.1 x rated output current (i.e. 110 % overload) for 57 s with a cycle time of |
| High Overload (HO) | 1.5 × output current rating (i.e., 150 % overload) for 57 s with a cycle time of |
General tech. specifications 6
| Power factor λ | 0.90 |
|---|---|
| Offset factor cos φ | 0.95 |
| Efficiency η | 0.95 |
| Sound pressure level (1m) | 60 dB |
| Power loss | 0.31 kW |
| Filter class (integrated) | - |
Ambient conditions 8
| Cooling | Internal air cooling |
|---|---|
| Cooling air requirement | 0.038 m³/s (1.342 ft³/s) |
| Installation altitude | 1,000 m (3,280.84 ft) |
| Ambient temperature: Operation LO | 0 ... 40 °C (32 ... 104 °F) |
| Ambient temperature: Operation HO | 0 ... 50 °C (32 ... 122 °F) |
| Ambient temperature: Transport | -25 ... 55 °C (-13 ... 131 °F) |
| Ambient temperature: Storage | -25 ... 55 °C (-13 ... 131 °F) |
| Relative humidity: Max. operation | 95 % RH, condensation not permitted |
Show all 54 specifications ↓ Show less ↑23 more values in Identification, Connections, Mechanical data, Standards, Logistics.
Identification 6
| Part number | 6SL3225-0BE31-1AA1 |
|---|---|
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| EAN | 4019169458726 |
Connections 4
| Line side: Version | screw-type terminal |
|---|---|
| Motor end: Version | Screw-type terminals |
| Max. motor cable length: Shielded | 25 m (82.02 ft) |
| Max. motor cable length: Unshielded | 100 m (328.08 ft) |
Mechanical data 5
| Degree of protection | IP20 / UL open type |
|---|---|
| Frame size | FSC |
| Dimensions: Width | 189 mm (7.44 in) |
| Dimensions: Height | 334 mm (13.15 in) |
| Dimensions: Depth | 185 mm (7.28 in) |
Standards 3
| Compliance with standards | UL, cUL, CE, C-Tick (RCM) |
|---|---|
| CE marking | Low-voltage directive 2006/95/EC |
| Page 1 of 1 | Generated Sun Nov 1 01:05:04 CET 2026 |
Logistics 5
| Net weight | 7.5 kg |
|---|---|
| Shipping weight | 8.5 kg |
| Ships from | Türkiye |
| Dispatch | 16 Nov |
| Stock | Low stock |
Source: manufacturer data · Last verified: 01 Nov 2026
Documents
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Quick answers
Questions about the 6SL3225-0BE31-1AA1
What is the rated current of 6SL3225-0BE31-1AA1?
The rated current of 6SL3225-0BE31-1AA1 is 52.00 A.
Which supply voltage is 6SL3225-0BE31-1AA1 rated for?
The rated operational voltage of 6SL3225-0BE31-1AA1 is 380–480 V AC.
What motor power is 6SL3225-0BE31-1AA1 rated for?
The rated motor power of 6SL3225-0BE31-1AA1 is 15.00 kW.
What is the HS code of 6SL3225-0BE31-1AA1 for customs?
The tariff (HS) code on file for 6SL3225-0BE31-1AA1 is 85044095.
What is the EAN of 6SL3225-0BE31-1AA1?
The EAN (GTIN) of 6SL3225-0BE31-1AA1 is 4019169458726.
Where does 6SL3225-0BE31-1AA1 ship from, and how fast?
6SL3225-0BE31-1AA1 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
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Series
Siemens SINAMICS G120
- Brand
- Siemens
- Series
- SINAMICS G120
