• Autonics AK-B Series 5-Phase Stepper Motors with Brake (Shaft)
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Autonics AK-B Series 5-Phase Stepper Motors with Brake (Shaft)

Autonics AK-B Series 5-Phase Stepper Motors with Brake (Shaft)

The AK-B shaft type 5-phase stepper motors are compact and lightweight and offer high-speed, high-accuracy, and high torque motion control.

Key features

  • Compact and lightweight with high speed, high accuracy, and high torque
  • Space-saving design ideal for building compact-sized systems
  • Low, economical prices for improved cost efficiency
  • Brake is released when power is applied to brake wire (AK-B Series)
  • Frame sizes - AK : 24mm, 42mm, 60mm, 85mm - AK-B : 42mm, 60mm, 85mm

Specifications

Brand Autonics (Korea)
Series AK-B
Basic Step Angle [FULL/HALF] 0.72º/0.36º
Source Autonics official model list (autonics.com, AK-B series page)
A21K-M596-SB Max. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 1.76Ω | Rated current: 1.4A/Phase
A41K-M599-SB Max. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 2.6Ω | Rated current: 1.4A/Phase
A63K-M5913-SB Max. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 3.92Ω | Rated current: 1.4A/Phase
A21K-G596-SB Max. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 0.4Ω | Rated current: 2.8A/Phase
A41K-G599-SB Max. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 0.58Ω | Rated current: 2.8A/Phase
A41K-M599-B Max. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 2.6Ω | Rated current: 1.4A/Phase
A63K-G5913-SB Max. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 0.86Ω | Rated current: 2.8A/Phase
A63K-M5913-B Max. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 3.92Ω | Rated current: 1.4A/Phase
A16K-G569-SB Max. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 0.56Ω | Rated current: 2.8A/Phase
A21K-G596-B Max. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 0.4Ω | Rated current: 2.8A/Phase
A21K-M596-B Max. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 1.76Ω | Rated current: 1.4A/Phase
A41K-G599-B Max. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 0.58Ω | Rated current: 2.8A/Phase
A63K-G5913-B Max. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 0.86Ω | Rated current: 2.8A/Phase
A16K-M569-SB Max. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 1.8Ω | Rated current: 1.4A/Phase
A4K-M564-SB Max. holding torque: 4.2kgf.cm | Rotor Moment Of Inertia: 175g·cm² | Winding Resistance: 0.8Ω | Rated current: 1.4A/Phase
A4K-S564-SB Max. holding torque: 4.2kgf.cm | Rotor Moment Of Inertia: 175g·cm² | Winding Resistance: 2.6Ω | Rated current: 0.75A/Phase
A8K-M566-SB Max. holding torque: 8.3kgf.cm | Rotor Moment Of Inertia: 280g·cm² | Winding Resistance: 1.1Ω | Rated current: 1.4A/Phase
A8K-S566-SB Max. holding torque: 8.3kgf.cm | Rotor Moment Of Inertia: 280g·cm² | Winding Resistance: 4Ω | Rated current: 0.75A/Phase
A16K-G569-B Max. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 0.56Ω | Rated current: 2.8A/Phase
A16K-M569-B Max. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 1.8Ω | Rated current: 1.4A/Phase
A4K-M564-B Max. holding torque: 4.2kgf.cm | Rotor Moment Of Inertia: 175g·cm² | Winding Resistance: 0.8Ω | Rated current: 1.4A/Phase
A8K-M566-B Max. holding torque: 8.3kgf.cm | Rotor Moment Of Inertia: 280g·cm² | Winding Resistance: 1.1Ω | Rated current: 1.4A/Phase
A1K-S543-B Max. holding torque: 1.3kgf.cm | Rotor Moment Of Inertia: 35g·cm² | Winding Resistance: 1.7Ω | Rated current: 0.75A/Phase
A2K-S544-B Max. holding torque: 1.8kgf.cm | Rotor Moment Of Inertia: 54g·cm² | Winding Resistance: 2.2Ω | Rated current: 0.75A/Phase
A3K-S545-B Max. holding torque: 2.4kgf.cm | Rotor Moment Of Inertia: 68g·cm² | Winding Resistance: 2.2Ω | Rated current: 0.75A/Phase
5-Phase Stepper MotorAutonics
25 product codes available in this family
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Autonics AK-B Series 5-Phase Stepper Motors with Brake (Shaft)

Brand Autonics·5-Phase Stepper Motor

Available part numbers (25)

A21K-M596-SB, A41K-M599-SB, A63K-M5913-SB, A21K-G596-SB, A41K-G599-SB, A41K-M599-B, A63K-G5913-SB, A63K-M5913-B, A16K-G569-SB, A21K-G596-B + 15 more — see full table ↓

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Product codeSpec
A21K-M596-SBMax. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 1.76Ω | Rated current: 1.4A/Phase
A41K-M599-SBMax. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 2.6Ω | Rated current: 1.4A/Phase
A63K-M5913-SBMax. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 3.92Ω | Rated current: 1.4A/Phase
A21K-G596-SBMax. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 0.4Ω | Rated current: 2.8A/Phase
A41K-G599-SBMax. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 0.58Ω | Rated current: 2.8A/Phase
A41K-M599-BMax. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 2.6Ω | Rated current: 1.4A/Phase
A63K-G5913-SBMax. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 0.86Ω | Rated current: 2.8A/Phase
A63K-M5913-BMax. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 3.92Ω | Rated current: 1.4A/Phase
A16K-G569-SBMax. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 0.56Ω | Rated current: 2.8A/Phase
A21K-G596-BMax. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 0.4Ω | Rated current: 2.8A/Phase
A21K-M596-BMax. holding torque: 21kgf.cm | Rotor Moment Of Inertia: 1400g·cm² | Winding Resistance: 1.76Ω | Rated current: 1.4A/Phase
A41K-G599-BMax. holding torque: 41kgf.cm | Rotor Moment Of Inertia: 2700g·cm² | Winding Resistance: 0.58Ω | Rated current: 2.8A/Phase
A63K-G5913-BMax. holding torque: 63kgf.cm | Rotor Moment Of Inertia: 4000g·cm² | Winding Resistance: 0.86Ω | Rated current: 2.8A/Phase
A16K-M569-SBMax. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 1.8Ω | Rated current: 1.4A/Phase
A4K-M564-SBMax. holding torque: 4.2kgf.cm | Rotor Moment Of Inertia: 175g·cm² | Winding Resistance: 0.8Ω | Rated current: 1.4A/Phase
A4K-S564-SBMax. holding torque: 4.2kgf.cm | Rotor Moment Of Inertia: 175g·cm² | Winding Resistance: 2.6Ω | Rated current: 0.75A/Phase
A8K-M566-SBMax. holding torque: 8.3kgf.cm | Rotor Moment Of Inertia: 280g·cm² | Winding Resistance: 1.1Ω | Rated current: 1.4A/Phase
A8K-S566-SBMax. holding torque: 8.3kgf.cm | Rotor Moment Of Inertia: 280g·cm² | Winding Resistance: 4Ω | Rated current: 0.75A/Phase
A16K-G569-BMax. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 0.56Ω | Rated current: 2.8A/Phase
A16K-M569-BMax. holding torque: 16.6kgf.cm | Rotor Moment Of Inertia: 560g·cm² | Winding Resistance: 1.8Ω | Rated current: 1.4A/Phase
A4K-M564-BMax. holding torque: 4.2kgf.cm | Rotor Moment Of Inertia: 175g·cm² | Winding Resistance: 0.8Ω | Rated current: 1.4A/Phase
A8K-M566-BMax. holding torque: 8.3kgf.cm | Rotor Moment Of Inertia: 280g·cm² | Winding Resistance: 1.1Ω | Rated current: 1.4A/Phase
A1K-S543-BMax. holding torque: 1.3kgf.cm | Rotor Moment Of Inertia: 35g·cm² | Winding Resistance: 1.7Ω | Rated current: 0.75A/Phase
A2K-S544-BMax. holding torque: 1.8kgf.cm | Rotor Moment Of Inertia: 54g·cm² | Winding Resistance: 2.2Ω | Rated current: 0.75A/Phase
A3K-S545-BMax. holding torque: 2.4kgf.cm | Rotor Moment Of Inertia: 68g·cm² | Winding Resistance: 2.2Ω | Rated current: 0.75A/Phase

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