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KOLLMORGEN B-406-B-A4-B3

Product Name: B-Series Brushless DC Servo Motor with Holding Brake

Model Series: B-400 Series (B-Frame Servo Motor)

Model Number: B-406-B-A4-B3

Motor Type: Permanent Magnet Brushless DC Servo Motor with Integrated Electromagnetic Holding Brake

Detailed content

Frame Size: 40 mm (NEMA 17 Equivalent)

Rated Continuous Torque: 0.63 Nm (5.58 lb-in)

Peak Torque: 1.89 Nm (16.73 lb-in)

Rated Speed: 4,000 RPM

Maximum Speed: 6,000 RPM

Rated Voltage: 480 VAC (Three-Phase)

Continuous Current: 4.0 A RMS

Peak Current: 12.0 A

Power Rating (Continuous): 0.4 kW (0.54 HP)

Power Rating (Peak): 1.2 kW (1.6 HP)

Holding Brake: Integrated Electromagnetic Holding Brake, 24 VDC Activation, 1.2 Nm Holding Torque

Encoder Type: Single-Turn Absolute Encoder, 16-Bit Resolution (65,536 Counts/Rev), EnDat 2.2 Protocol

Protection Rating: IP65 (Dust-tight and protected against water jets)

Cooling Method: Natural Convection (No Fan)

Shaft Type: Keyed Shaft with Shaft Seal, Diameter 8 mm

Weight: Approximately 0.9 kg (2.0 lb)

Housing Material: Anodized Aluminum Alloy 6061-T6

Magnets: Neodymium Iron Boron (NdFeB), Grade N35SH

Winding Insulation Class: Class H (180°C)

Bearing Type: Deep Groove Ball Bearings, Sealed, Lubricated for Life

Electrical Connector: M23 8-Pin Connector (Power + Encoder + Brake)

Ambient Operating Temperature: 0°C to +40°C (Continuous), -20°C to +80°C (Short-Term)

Storage Temperature: -40°C to +85°C

Compliance Standards: CE, UL, RoHS, REACH, WEEE

Applicable Industries: 3D Printers, Small CNC Routers, Laboratory Automation, Medical Devices, Pick-and-Place Machines, Conveyor Drives, Textile Machinery

Key Features:

  • Compact B-frame size for space-constrained applications
  • IP65 sealing for washdown and dusty environments
  • Integrated brake for vertical-axis load holding
  • EnDat 2.2 encoder for high noise immunity
  • High torque density for rapid dynamic response

Installation Requirements:

  • Mount using B-face flange with 4 mounting holes (M4 tapped)
  • Alignment tolerance: ±0.03 mm radial, ±0.03 mm axial
  • Cable bend radius minimum: 5× cable diameter
  • Brake wire must be connected to dedicated 24 VDC supply

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