Speed and torque across supply voltages
The SH30703P02F2100 is a three-phase servo motor from the SH3 series, fitted with a holding brake — the brake holds 3 N·m (26.6 lbf·in) when the motor is at rest, which keeps a vertical load from dropping on power loss. Its nominal speed depends on the supply: 1500 rpm on 115 V single-phase, 3000 rpm on 230 V single-phase, 6000 rpm on 400 V three-phase, and 7200 rpm on 480 V three-phase. That 6000–7200 rpm band is typical for high-speed pick-and-place or spindle drives where you need throughput over raw torque. Nominal torque also shifts with voltage — 2.95 N·m at 115 V single-phase, dropping to 2.1 N·m at 400 V three-phase. The continuous stall torque is 2.94 N·m across the 115–480 V three-phase range, so the motor can hold position at full torque indefinitely without overheating. Peak stall torque hits 11.3 N·m (100.01 lbf·in) on three-phase supplies — useful for breaking inertia during acceleration or clearing a jam without tripping the drive.
Feedback, protection, and mechanical fit
The encoder is an absolute multiturn SinCos Hiperface type — it reports position on power-up without a homing move, which saves cycle time on machines that power-cycle between batches. The IP65 rating on the motor body and shaft bushing (per IEC 60034-5) means it handles washdown and dust without a secondary cover. The flange is 70 mm (2.8 in) with a 60 mm centring collar and 5.5 mm mounting holes — drops into the standard IEC 70 mm frame footprint. The smooth shaft is 14 mm diameter, 30 mm long, with a 2.5 mm centring collar depth; no keyway, so the coupling or pulley clamps on the shaft directly. Maximum radial force at the shaft nose is 730 N at 1000 rpm, derating to 400 N at 6000 rpm — budget this when sizing the belt tension or overhung load. Maximum axial force is 80 N, so the motor should not carry a thrust load from a lead screw without a separate thrust bearing.
Electrical parameters and cooling
Stator resistance is 2.7 Ω and inductance is 20.3 mH — these set the electrical time constant and influence the drive's current-loop tuning. The torque constant is 0.72 N·m/A at 120 °C copper temperature, and the back-EMF constant is 49 V/krpm at 20 °C; match these to the drive's voltage and current limits. Continuous power is 1330 W; nominal output power reaches 1550 W at 480 V three-phase. Maximum continuous current is 17.0 A RMS, with a 3-second peak of 17.0 A — the peak is the same as continuous, so the motor is not designed for short-term overload; the drive must limit current to 17 A. Cooling is by natural convection — no fan, so the motor relies on its own surface area and the machine's airflow. In a confined cabinet or high-ambient environment, you may need to derate or add forced air.