Autonics A4K-M564-B 5-Phase Built-in Brake Stepper Motor

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If this item is out of stock, the lead time may take up to 2 weeks. We will contact you individually with a status update after your order is placed.

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The Autonics A4K-M564-B is a compact, high-precision 5-phase stepper motor featuring a built-in electromagnetic brake. As part of the 60mm frame series, it offers a maximum stop torque of 4.2 kgf·cm (0.42 N·m), making it the most compact option in the 60mm lineup (compared to A8K and A16K). This "M" type model operates at a rated current of 1.4 A/Phase, ensuring compatibility with standard drivers. The integrated B-type brake provides reliable position holding during power outages (Power OFF = Lock), making it essential for vertical drive systems and safety-critical equipment where space is limited but a 60mm flange is required.

Key Features

• Compact Torque Output: Delivers a maximum stop torque of 4.2 kgf·cm (0.42 N·m), ideal for applications requiring the stability of a 60mm frame with lighter torque loads.

• Built-in Safety Brake: Equipped with a normally closed electromagnetic brake that locks the shaft when power is turned off, preventing load drops.

• Rated Current 1.4 A/Phase: Designed for 1.4 A/Phase operation ("M" Type), ensuring broad compatibility with standard industrial drivers.

• Standard 60mm Frame: Matches the mounting dimensions of higher-torque models (A8K/A16K) but with a shorter motor length for space-saving installation.

• Precision 5-Phase Control: Supports a basic step angle of 0.72° (Full step) and 0.36° (Half step) for smooth and accurate positioning.

Technical Specifications

• Model: A4K-M564-B

• Frame Size: 60 mm

• Shaft Type: Single Shaft (Built-in Brake)

• Max. Stop Torque: 4.2 kgf·cm (0.42 N·m)

• Rated Current: 1.4 A/Phase (M Type)

• Brake Power: 24 VDC (Non-polar)

• Brake Static Friction Torque: ≥ 8.0 kgf·cm (0.8 N·m)

• Rotor Inertia: 175 x 10⁻⁷ kg·m²

• Basic Step Angle: 0.72° / 0.36°

• Unit Weight: Approx. 0.8 kg (Motor) + Brake assembly

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