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PS3030KN002 is an NSK Megatorque PS Series (PS3 mid size) direct-drive motor. PS3 is the mid size of the PS series (dia. 150 mm) with four heights covering 15–90 N·m.
Why zero-backlash direct drive: Megatorque motors drive the load directly without gears or belts — no backlash, no wear parts, no accuracy degradation over time, fast settling, low noise and maintenance-free. The large hollow bore (56 mm on this model) passes cables, piping or laser paths straight through, simplifying machine design. Widely used in semiconductor/electronic-component inspection, vision processing and rotary indexing stages.
Key specs: maximum output torque 30 / 30 N·m (rated 10 / 10 N·m), max speed 10 / 3 s⁻¹; a built-in absolute position sensor (2,621,440 count/rev) delivering ±2 arc-sec repeatability and 60 (±30) arc-sec absolute accuracy; allowable axial load 2,000 N, allowable moment load 42 N·m, mass 6.9 kg. Pairs with the EDD driver unit series (100–240 VAC per the NSK pairing table). See the attached official catalog for dimensions and speed–torque characteristics.
Same-series part numbers: PS3015KN002, PS3060KN002, PS3090KN002.
Sizing & Integration Support
Direct-drive motor sizing involves the inertia ratio (load inertia / rotor inertia) and the motion profile against the speed–torque curve. Add your load conditions (inertia, motion angle, cycle time, mounting orientation) to the inquiry cart — the Nahshon engineering team will help you select the right model and confirm specs, quotation and delivery with NSK.
| Specification | Unit | PS3030KN002 |
|---|---|---|
| Series | - | Megatorque PS Series (PS3 mid size) |
| Motor outer diameter | mm | φ150 |
| Motor height | mm | 102 |
| Hollow diameter | mm | φ56 |
| Maximum output torque (200/100 VAC) | N·m | 30 / 30 |
| Rated output torque (200/100 VAC) | N·m | 10 / 10 |
| Maximum rotational speed (200/100 VAC) | s⁻¹ | 10 / 3 |
| Rated rotational speed (200/100 VAC) | s⁻¹ | 5 / 2 |
| Position sensor | - | Built-in absolute position sensor |
| Position sensor resolution | count/rev | 2 621 440 |
| Absolute positioning accuracy | arc-sec | 60 (±30) |
| Repeatability | arc-sec | ±2 |
| Axial runout accuracy | µm | 50 |
| Radial runout accuracy | µm | 50 |
| Allowable axial load | N | 2 000 |
| Allowable radial load | N | 1 700 |
| Allowable moment load | N·m | 42 |
| Rotor inertia | kg·m² | 0.014 |
| Allowable load inertia range | kg·m² | 0 to 1.4 |
| Mass | kg | 6.9 |
| Driver unit | - | EDD driver unit (per NSK pairing table) |
| Environmental conditions | - | 0–40 °C, 20–80 %RH, indoors, free of dust/condensation/corrosive gas (IP30 equivalent) |
Megatorque PS Series (PS3 mid size)
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