SH3 servo at SH32052P sizing
The SH32052P11F2000: Holding torque is rated at 708.06 lbf.in (80 N.m) and continuous power at 7900 W — the two figures that decide whether this frame size covers the load without stepping up to a larger servo. Continuous stall torque lands at 574.4 lbf.in (64.9 N.m) and peak stall torque reaches 1947.2 lbf.in (220 N.m) on the 115...480 V three-phase envelope, so the motor can take a 3x overload step on a cycle without losing position.
Speed, torque and voltage rails
Nominal output power tracks that curve the same way: 3230 W (115 V single-phase), 5860 W (230 V single-phase), 7980 W (400 V three-phase), 7140 W (480 V three-phase), with nominal torque correspondingly 61.6 N.m, 56 N.m, 38.1 N.m and 28.4 N.m across the four rails. Maximum current Irms and the 3-second peak output current are both listed at 96.8 A — the drive sizing ceiling matches the motor's own overload envelope, so a correctly-rated drive will not throttle the peak.
Drive loop: electrical constants
Stator resistance is 0.3 Ohm and stator inductance 8.2 mH — the L/R time constant is the figure the drive's current loop bandwidth has to clear for stable torque control, not the motor's nameplate speed alone. Torque constant sits at 2.52 N.m/A referenced to a 248 °F (120 °C) hotspot, with back-EMF constant 161 V/krpm at 68 °F (20 °C) — the drop between cold and hot is the temperature-coefficient budget the drive's torque-estimator typically corrects for.
Mechanical envelope and shaft loads
Mounting is international standard flange with a 205 mm flange size, 17.9 in (454.5 mm) body length, 14 mm mounting holes and a 38 mm shaft — fits the standard frame cut-out at this rating. Shaft end is parallel-key, 10 mm key width, 80 mm shaft length, 4 mm centring collar depth — verify the coupling bore and key seat against the driven element before committing the BOM line.
Cooling, sealing and connections
Cooling is natural convection with no fan — cabinet airflow and a clean heatsink path are part of the duty envelope, not optional. Electrical connection is a straight connector with a rotatable right-angled connector option, on a 5-pole motor — the rotatable variant eases cable dress inside the cabinet, but pin-out and keying follow the drive side, not the motor body.