The SH31001P0AF3100: This is a three-phase servo motor from the SH3 series, sized at 1190 W continuous output power when fed from a 400 V or 480 V three-phase supply. At 230 V single-phase the same motor delivers 690 W — so the drive supply voltage directly sets the usable power. The holding brake is rated 9 N.m holding torque with a 12 W pull-in power. That means if you lose power to the drive, the brake grabs and holds the load at standstill — critical for vertical-axis applications where a dropped load is a safety incident.
Encoder feedback and environmental sealing
Feedback comes from an absolute single-turn Hiperface DSL encoder. That is a digital serial link encoder — one cable for both power and data, which simplifies the cable harness compared to a separate encoder cable. Single-turn means it knows position within one revolution at power-up; no homing sequence needed after a power cycle for applications that stay within one turn. The motor body and shaft bushing are both rated IP65 per IEC 60034-5. That is a washdown rating — the motor handles hose-directed water and dust ingress, so it belongs on a food-processing line or a wash-down station without needing a separate cover.
Sizing and mechanical fit — flange, shaft, and cooling
The motor flange is 100 mm (3.9 in) with an international standard pattern — four 9 mm mounting holes on a 95 mm centring collar. That is a common IEC frame size; it bolts directly to standard gearboxes and mounting brackets without adaptor plates. Shaft is 19 mm diameter, 40 mm length, smooth (no keyway). Smooth shaft means you need a clamping-type coupling or a collet-style hub — a keyed coupling will not grip. Overall motor length is 199.5 mm (7.9 in), which is compact for a 1.2 kW frame with a brake. Cooling is natural convection — no external fan. That keeps the motor shorter and quieter, but the continuous torque rating assumes free air movement around the housing. If you box it in a tight enclosure, you will need to derate or add forced air.
Electrical parameters for drive tuning and thermal limits
Stator resistance is 3.8 Ohm and inductance is 19 mH — these set the electrical time constant and influence the drive's current-loop tuning. The torque constant is 0.84 N.m/A at 120 °C copper temperature, and the back EMF constant is 60 V/krpm at 20 °C. That means at 3000 rpm the motor generates 180 V back EMF — the drive DC bus must stay above that to maintain current control. Maximum continuous current is 12 A RMS, and continuous stall current is 3.5 A. The copper winding hot-spot temperature is rated 130 °C — the drive's thermal model should be set to protect the motor winding, not just the drive output.