ELAU SM140-30-120-P0-45-M1-B1 Heavy-duty Permanent Magnet Synchronous Servo Motor Technical File

I. Brand and Product Positioning

Brand: ELAU (Schneider Schneider PacDrive M Motion Control System)

Series: SM High Power Density Synchronous Servo Motor, 140mm Large Flange Heavy-duty Model

Compatible Drives: Perfectly compatible with MC-4/11/10/400, MC-4/11/22/400 400V High Power Servo Drives

Original Factory Status: Out of Production, Large Packaging, Printed Heavy-duty Equipment Core Replacement Spare Parts 

Appearance of the SM140 series servo motor 

Interpretation of Complete Model Segments SM140 - 30 - 120 - P0 - 45 - M1 - B1

SM140: 140mm square IEC standard B5 heavy-duty mounting flange load-bearing frame

30: Rated speed 3000 RPM

120: Rated continuous torque 12.0 N·m

P0: Standard base chassis body, natural air-cooling without fan structure

45: 400V high-voltage winding voltage level (suitable for three-phase 400V grid bus drive)

M1: Multi-turn SinCos absolute value encoder (infinite number of turns for rotational positioning, built-in motor electronic nameplate)

B1: Built-in electromagnetic brake to lock shaft (stops to maintain load, prevents gravity ｄｒｏｐ)

Core electrical performance parameters

Power torque speed

Rated power: 3.89 kW

Continuous rated torque: 12.0 N·m

Peak overload torque: 30.0 N·m (250% short-term 1-second overload impact load)

Rated speed: 3000 RPM; Maximum safe speed: 4500 RPM

Rotor rotational inertia: 12.68 kg·cm², suitable for medium-large inertia load drive

Current and electrical characteristics

Rated phase current: 8.0 A rms

Peak maximum current: 48.5 A rms

Torque constant kT: 1.58 N·m/Arms

Winding insulation grade: F class (withstanding temperature 155℃), built-in PTC thermistor for real-time overheating monitoring

Pole pairs: 5 pairs of poles, smooth low-speed torque, optimized tooth-slot torque suppression

 Encoder and interface configuration

M1 multi-turn SinCos absolute value encoder

High-resolution multi-turn positioning, power-on automatic reading of motor identity parameters, one-key automatic setting by PacDrive system, no need for manual input of motor parameters; resistant to oil, dust interference, suitable for printing unwinding, long-stroke conveying multi-turn continuous rotation conditions

Power + encoder dual aviation plug standard layout, direct connection to MC-4 drive dedicated power / feedback cables

Overall protection level: IP65 (body flange + shaft end sealing, suitable for food, medicine, humid, dusty workshops)