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Kollmorgen B-104-B-21

Product Name:​ Goldline B-Series Brushless Servo Motor, Frame 104, Mid Inertia, Resolver
Product Introduction:​ The Kollmorgen B-104-B-21 is a smaller Goldline B-frame motor (frame 104, ~70 mm flange). “B” winding, “21” stack/voltage code, resolver feedback, no brake, IP65. Predecessor to AKM2x family.
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Detailed content

Technical Specifications:
  • Series:​ Goldline B
  • Flange:​ 70 × 70 mm
  • Continuous Torque:​ ≈ 1.64 Nm (14.5 lb-in)
  • Peak Torque:​ ≈ 3.23 Nm
  • Speed:​ 5600 rpm
  • Voltage:​ 230 VAC
  • Current:​ 3 A RMS
  • Feedback:​ Resolver
  • Brake:​ None
  • Protection:​ IP65
  • Built-in Thermostat:​ Yes
  • Insulation:​ Class H
    Functional Features:​ Low inertia rotor, rugged industrial housing, thermostat-protected windings.
    Application Scenarios:​ Legacy machine tools, textile spindles, conveyor belt drives (retrofit).
    Installation Requirements:​ 70 mm square flange, resolver cable separated.
    Usage Notes:​ Drives only with older Kollmorgen SERVOSTAR/S300 or via resolver interface on AKD; not direct SFD plug.

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