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Kollmorgen BH-426-C-61

Product Name:​ Goldline BH Series Low-Inertia Brushless Servo Motor
Introduction:​ High-voltage low-inertia servo motor from the Goldline BH family, built for rapid accel/decel cycles in press feed, spindle and robotics.
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Detailed content

Technical Specifications:
  • Frame: 426 (42-size, 110 mm flange)
  • Winding: C
  • Rated Speed: 2500 rpm
  • Continuous Torque: 32.8 Nm
  • Peak Torque: 37.1 Nm
  • Rated Power: 8.6 kW
  • Supply: 3 × 400/480 VAC, 565/680 VDC bus
  • Feedback: Resolver (61 option code)
  • Inertia: 0.000929 kg·m²
  • Protection: IP65
  • Insulation: Class H (180 °C)
    Functional Features:​ Low rotor inertia for fast settling, IP65 for coolants/dust, resolver for noisy environments, direct mate to SERVOSTAR 400 / AKD-HP.
    Construction / Materials:​ Cast iron / aluminum flange, laminated stator, interior permanent magnet rotor, double-shielded bearings, shaft seal.
    Working Principle:​ Synchronous AC servo; resolver feeds position to drive which closes current/speed/position loops.
    Mounting Requirements:​ Flange or foot mount per NEMA 42, shaft coupling balanced, brake (if fitted) on 24 VDC.
    Usage Notes:​ Not directly interchangeable with AKM—different flange and feedback. Verify winding C matches drive current rating.

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