Speed and torque across supply voltages
The SH31401M11A2000's nominal speed depends on the supply: 375 rpm on 115 V single phase, 750 rpm on 230 V single phase, 1500 rpm on 400 V three phase, and 1800 rpm on 480 V three phase. Nominal torque shifts slightly across these conditions, from 11 N·m down to 10.4 N·m at the highest voltage. Peak stall torque is 27 N·m across the full 115–480 V range, giving a 2.4:1 peak-to-continuous ratio for acceleration bursts. Continuous stall torque sits at 11.1 N·m, held indefinitely at zero speed under natural convection cooling.
Encoder and feedback — no homing needed
The absolute single-turn SinCos Hiperface encoder reports position at power-up without a reference move. On a machine that cycles power between shifts, this saves the homing sequence time and eliminates the risk of a crash if the home sensor fails. Back EMF constant is 193 V/krpm at 20 °C. At the 4000 rpm maximum mechanical speed, the back EMF reaches about 772 V line-to-line — the drive's DC bus must be rated above this to maintain current control.
Mounting and mechanical interface
The 140 mm IEC flange (centring collar 130 mm diameter, 3.5 mm deep) mates with standard gearbox input flanges. Four 11 mm mounting holes on the flange face secure the motor. Overall body length is 217.5 mm including the encoder and connector housing. Shaft is 24 mm diameter, 50 mm long, with an 8 mm parallel key. Maximum radial force at the shaft nose is 1930 N at 1000 rpm, dropping to 1340 N at 3000 rpm — bearing life follows the load at operating speed, not the static rating. Maximum axial force is 300 N.
Thermal limits and cooling
IP rating depends on the shaft seal: IP54 at the shaft bushing without the seal ring, IP65 on the motor body and shaft bushing with the seal fitted. For washdown environments, specify the sealed variant.
Electrical connection and drive pairing
The motor is a three-phase synchronous machine with 5 poles — an unusual pole count that the drive's commutation algorithm must support. Maximum RMS current is 10.8 A; the drive should be sized to supply this during acceleration. Stator inductance is 88.55 mH, which keeps current ripple low but may limit high-speed torque if the drive's voltage is marginal. Electrical connection options are a straight connector or a rotatable right-angled connector — the right-angle version helps when the cable must route close to a panel wall. The torque constant is 2.78 N·m/A at 120 °C winding temperature.
Sourced through independent distribution channels.