Autonics A2K-S544W 5-Phase Dual Shaft 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 A2K-S544W is a compact 5-phase stepper motor featuring a Dual Shaft (W) configuration. Designed with a 42mm frame size, it delivers a reliable maximum stop torque of 1.8 kgf·cm (0.18 N·m). This "S" type model operates at a rated current of 0.75 A/Phase, making it an energy-efficient choice for compact equipment where heat generation must be minimized. The dual shaft design enhances versatility by allowing the attachment of auxiliary devices such as vibration dampers, encoders, or manual handwheels to the rear shaft, making it ideal for small-scale precision automation where space is limited but functionality cannot be compromised.

Key Features

• Compact Torque Output: Delivers a maximum stop torque of 1.8 kgf·cm (0.18 N·m), providing reliable force in a small 42mm footprint.

• Dual Shaft Design (W): Equipped with shafts extending from both the front and rear, enabling the connection of accessories like dampers for vibration control or encoders for position feedback.

• Rated Current 0.75 A/Phase: Designed for 0.75 A/Phase operation ("S" Type), compatible with standard drivers for 42mm motors.

• Standard 42mm Frame: The 42mm square flange is compatible with NEMA 17 mounting standards, suitable for compact machinery.

• 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: A2K-S544W

• Frame Size: 42 mm

• Shaft Type: Dual Shaft (W)

• Max. Stop Torque: 1.8 kgf·cm (0.18 N·m)

• Rated Current: 0.75 A/Phase (S Type)

• Rotor Inertia: 54 x 10⁻⁷ kg·m²

• Basic Step Angle: 0.72° / 0.36°

• Unit Weight: Approx. 0.30 kg

<Motor Specification>