Can this be interfaced with arduino?

Yes,,this motor will interface with Arduino. just pay attention to the speed controll and you'll be fine.

What voltage does this motor require to operate? (per the description is 2A but that doesn't seem correct)

The important is the current, don’t go beyond the nominal... and the voltage you can use the same as other motors

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HobbyUnlimited Nema 34 Stepper Motor 5.5A 4.5Nm (640 oz-in) 80mm Length for CNC Router Mill Lathe

HobbyUnlimited Nema 34 Stepper Motor 5.5A 4.5Nm (640 oz-in) 80mm Length for CNC Router Mill Lathe

Product ID: 394364069

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Details

Brand
Item weight
2.3 Kilograms
Manufacturer
Material
Copper
Voltage
2.2 Volts

📏1.8° step angle precision

🔋5.5A current per phase

⚙️4.5Nm holding torque

Description

⚡ Power your CNC projects with precision and strength!

COMPACT YET MIGHTY - 80mm length and 2.3kg weight balance power with manageable size
UNMATCHED TORQUE POWER - 4.5Nm (637 oz-in) holding torque for heavy-duty CNC precision
PRECISION IN EVERY STEP - 1.8° step angle ensures ultra-smooth, accurate motion control
ROBUST CURRENT HANDLING - 5.5A rated current per phase for consistent, high-performance operation
ENGINEERED FOR CNC MASTERY - Optimized for routers, mills, and lathes demanding reliability and precision

The HobbyUnlimited Nema 34 Stepper Motor delivers a powerful 4.5Nm holding torque and precise 1.8° step angle, powered by a robust 5.5A current per phase. Designed for demanding CNC applications like routers, mills, and lathes, this 80mm long motor balances compact size with heavy-duty performance, ensuring smooth, accurate motion control for professional-grade machining.

Specifications

ASIN	B077XF6LG2
Manufacturer	HobbyUnlimited
Package Dimensions	28.5 x 14.81 x 13 cm; 2.3 kg

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A$181

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