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C

Helical Gearmotors
by Bonfiglioli
TECHNICAL DATA

Harnessing Decades of Know-How

The C Series offers the perfect balance of torque density, product variety, broad speed range, compact design, and cost-effectiveness, establishing itself as an unparalleled line of helical gearmotors and speed reducers.


Technical Specifications

Torque Range:
45 Nm – 12,000 Nm

Mechanical Rating (at n₁ = 1400 min⁻¹):
0.08 kW – 213 kW

Gear Ratios:
2.6 – 1481


Output Configurations

  • Foot and flange mounting
  • Metric or Inch series solid output shaft

Input Configurations

  • IEC and NEMA motor adapters
  • Metric or Inch series solid input shaft

Applicable AC Motors

  • Integral motors and brake motors – M series
  • IEC-normalized motors and brake motors – BN series
  • Single and dual-speed motors

Main Brake Features

  • DC and AC supply options
  • Fast brake engagement/disengagement via electronically controlled AC/DC rectifiers (Types SB, NBR, SBR – optional)

Main Motor Options

  • Thermistors and thermostats for temperature monitoring
  • Separate supply forced ventilation
  • Incremental encoders (Line Driver and Push-Pull types)

Type Torque Nm
C 05 45
C 11 100
C 21 200
C 31 300
C 35 450
C 41 600
C 51 1,000
C 61 1,600
C 70 2,300
C 80 4,000
C 90 7,200
C 100 12,000