Category    English Specification    Remarks
Model Number    R88M-W2K915H-S2    OMRON R88M-W Series AC Servo Motor
Product Type    AC Servo Motor    3‑phase, for precision motion control
Rated Output Power    2.9 kW    Continuous duty rating
Rated Speed    1500 r/min    Standard rated speed
Rated Torque    18.7 Nm    Continuous torque at rated speed
Peak Torque    56.1 Nm    3 x rated torque, max. 3 sec
Rated Current    10.2 A (rms)    At rated load and speed
Peak Current    30.6 A (rms)    At peak torque condition
Power Supply    3‑phase 200–240 VAC (±10%)    50/60 Hz, via R88D‑W drive
Encoder Type    Incremental Encoder    20‑bit resolution (1,048,576 ppr)
Insulation Class    Class F    155 °C max. temperature
Enclosure Protection    IP65 (shaft), IP40 (body)    With oil seal, shaft end protection
Brake    Holding Brake (24 VDC)    Spring‑applied, electrically released
Frame Size    180 mm Flange    Standard mounting flange
Shaft Diameter    28 mm    With keyway, standard shaft
Weight    Approx. 22 kg    Net weight, including brake
Operating Temperature    0–40 °C (32–104 °F)    Non‑condensing environment
Storage Temperature    ‑20–85 °C (‑4–185 °F)    No load storage condition
Humidity    20–85% RH (non‑condensing)    Max humidity without condensation
Vibration Resistance    10–20 Hz: 1 G, 20–500 Hz: 0.6 G    Mechanical vibration tolerance
Shock Resistance    50 G (11 ms duration)    Mechanical shock tolerance
Insulation Resistance    ≥10 MΩ (500 VDC)    Between windings and frame
Dielectric Strength    1500 VAC for 1 min    Between windings and frame

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