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Kollmorgen AKM42J-ACC2C-01

Product Name:​ AKM42J Brushless Synchronous Servo Motor, 120 V winding, resolver/SFD, no brake, keyed shaft
Introduction
AKM series 42-frame (84 mm flange) motor with J stack length. High torque density, low cogging, Class F insulation.
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Detailed content

Specifications
  • Frame:​ 84 mm (AKM size 42)
  • Rated voltage winding:​ 120 VAC (low-voltage variant)
  • Max speed:​ 4030 rpm (typical), up to 6000 rpm possible
  • Continuous torque:​ 3.56 Nm; peak 31.5 Nm (depending on drive)
  • Rotor inertia:​ 0.00015 kg·m²
  • Shaft:​ 19 mm (0.75″) keyed
  • Feedback:​ integral resolver or encoder (ACC2C decode = resolver/comcoder, standard connector)
  • Brake:​ none (C after stack = no brake)
  • Sealing:​ IP54 standard, IP65/IP67 option
  • Weight:​ approx. 3.1 kg
Features
  • 8 frame sizes across AKM family, 28 stack combinations
  • Direct mate to AKD/S700
  • 155 °C insulation, 100 °C rise at 40 °C ambient
  • cURus, CE, UL
Applications
Pick-and-place, lab automation, rotary indexing, light CNC.
Notes
  • 120 V winding must use matched drive bus voltage or use transformer/boost; do not feed 480 V directly
  • Resolver version needs drive resolver interface or SFD converter

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