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Kollmorgen 6SM45-M3000-G

Product Introduction:
6SM45-M3000-G is the medium-stack (M) 6SM45 frame motor from the Kollmorgen/Seidel 6SM45…100 series. Rated 3000 RPM, 400 VAC drive class, built-in 2-pole resolver, natural-cooled, rare-earth magnet rotor. Suffix G denotes special paint/connector/brake configuration in some order books (commonly resolver + special cable gland).
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Detailed content

Technical Specifications (6SM45M-3000):​
  • Rated speed:​ 3000 RPM
  • Standstill torque:​ 1.7 Nm
  • Rated torque (at 3000 RPM):​ 1.6 Nm
  • Standstill current:​ 1.3 A RMS
  • Rated current:​ 1.3 A RMS
  • Peak current:​ 5.6 A RMS
  • Torque constant:​ 1.36 Nm/A RMS
  • Voltage constant:​ 116 mV/min (line-to-line)
  • Poles:​ 6
  • Mains supply:​ 400 VAC (drive DC bus ~565 V)
  • Feedback:​ Built-in 2-pole resolver
  • Holding brake:​ Optional (not standard on -G unless ordered)
  • Frame size:​ 80 mm square flange, shaft Ø14 mm
  • Weight:​ approx. 5.5 kg
  • Insulation/class:​ 155 (F) or 180 (H) depending on build
  • Climate class:​ 3K3 per EN 50178
  • Ambient temp:​ 5–40 °C no derate; 1%/K derate 40–50 °C
  • Paint:​ Matte black RAL 9005, NOT solvent-resistant
Functional Features:
  • Neodymium-iron-boron rotor magnets for high dynamic acceleration
  • Strongly ribbed aluminum housing, no fan required
  • Stator winding thermal switch (normally closed, isolated contact)
  • Resolver standard; encoder or Hiperface optional on sister builds
Material & Structure:
  • Stator: segmented lamination stack, 3-phase concentrated winding
  • Rotor: NdFeB magnets, glued/sintered, non-demountable without tooling
  • Housing: extruded/cast aluminum with cooling ribs
  • End caps: aluminum, IP65 with shaft seal
  • Resolver: 12-pin round connector, mounted on rear
Working Principle:
Standard PMSM operation; resolver sends sine/cosine signals to drive R/D converter; drive produces 3-phase sinusoidal current vector aligned to rotor flux.
Application Scenarios:
Robot wrist/elbow joints, CNC tool turrets, label applicators, small transfer-axis drives, semiconductor handling.
Installation Requirements:
  • Flange clamp to machine metal; radial load per manual (< 500 N at shaft end)
  • Resolver cable shielded twisted pair, max 100 m, shield grounded at drive end
  • Do not clean housing with trichloroethylene, nitro thinners, or acetone
Usage Notes:
6-pole motor; drive must be configured for 6-pole electrical revolution. Peak torque falls sharply above 4800 RPM.

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