Baumüller SET-BM4446-SI2-21743-0308-1 is an industrial servo drive set based on the BM4446 platform from the b maXX 4400 product family.

The BM4446 is designed for high-power industrial motion control and motor drive applications.

Manufacturer-Verified BM4446 Base-Unit Specifications:

• Manufacturer: Baumüller

• Product Family: b maXX 4400

• Requested Model: SET-BM4446-SI2-21743-0308-1

• Base Drive: BM4446

• Product Type: Servo Inverter / Servo Drive

• Frame Size: 4

• Rated Output Current: 150 A

• Maximum Output Current: 200 A

• Typical Motor Rating: 75 kW

• Published Overload Factor: 1.3

• Supply Voltage Range: 207–528 VAC

• Rated Supply Voltage: 400 VAC

• Supply Frequency: 50/60 Hz

• Nominal DC-Link Voltage: 540 VDC

• External Electronics Supply: 24 VDC

• Published Switching Frequencies: 2 / 4 / 8 kHz

• Output Voltage: 0–95% of supply voltage

• Approximate Air-Cooled Dimensions, W × H × D: 190 × 624 × 374 mm

• Approximate Water-Cooled Dimensions, W × H × D: 190 × 624 × 327 mm

• Published Product-Family Certifications: CE, CSA, UL

Dimensions are subject to the manufacturer's installation notes and exclude mounting brackets.

Additional BM4446 Universal-Unit Data:

• Rated Input Apparent Power: 94 kVA

• Rated Input Current: 136 A

• Maximum Input Current: 187 A

• Internal DC-Link Capacitance: 3,760 µF

These additional values are published for the BM4446 universal-unit configuration. Their applicability to the requested SET configuration has not been independently confirmed.

Distributor Product Identification:

• Producer Number (Distributor Reference): 00426137

• Item Number (Distributor Reference): 514569

• Delivery Configuration: SET – exact contents not verified.

Configuration-Specific Verification Required:

• Installed control, encoder and communication cards.

• Exact meaning of the SI2, 21743 and 0308-1 suffixes.

• Actual cooling arrangement.

• Firmware version and parameter datasets.

• Integrated safety functions.

• Final dimensions, weight and included accessories.

Important: The 75kW value is a typical motor rating for the BM4446 platform. It must not be interpreted as a guaranteed output power for every SET configuration or operating condition.