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Call:1-888-551-3082 International: 1-919-443-0207
Call:1-888-551-3082 International: 1-919-443-0207


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The B-204-B-21-B2 is a servomotor from Kollmorgen's reliable Goldline series. It offers versatility with its low-inertia design, and is suitable for a variety of applications, particularly for robotics and high accuracy tasks. The motor operates on 230 volts and delivers 2.1 HP power, generating a continuous stall torque of 4.7 N-m and a peak of 13.8 N-m. Despite its power, it is lightweight at only 6.2 kilograms. The motor features a strong B winding, a construction that meets IP65 protection standards and insulation material that can tolerate temperatures of up to 180°C. With a brushless design, there is no need for frequent brush replacements, ideal for continuous operation. Other features include a robust 14-mm diameter, a 30 mm long shaft, and a 4-pole pair design.
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Technical Specifications
  • Manufacturer: Kollmorgen
  • Product Type: Servomotor
  • Model: B-204-B-21-B2
  • Series: Goldline
  • Application: Robotics and high accuracy applications
  • Voltage: 230 volts
  • VMax: 250 V
  • Power Output: 2.1 HP
  • Weight: 6.2 kilograms
  • Continuous Stall Torque: 4.7 N-m
  • Peak Torque: 13.8 N-m
  • Sealing: IP65 protection standard
  • Insulation Material: Can withstand up to 180 Celsius
  • Motor Design: Brushless, maintenance-free
  • Shaft Diameter: 14 mm
  • Shaft Length: 30 mm
  • Pole Pair Design: 4-pole pair design.

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Phone Number: 1-888-551-3082

International: 1-919-443-0207

Fax: 1-919-867-6204