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

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:停产， 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 frame with load-bearing structure
30: Rated speed 3000 RPM
120: Rated continuous torque 12.0 N·m
P0: Standard base chassis with natural air-cooling without fan
45: 400V high-voltage winding voltage level (suitable for three-phase 400V power grid bus drive)
M1: Multi-turn SinCos absolute value encoder (infinite number of turns for positioning, built-in motor electronic nameplate)
B1: Built-in electromagnetic brake to lock shaft (stops load and 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, 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, automatically reads motor identity parameters upon power-on, 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 connector standard layout, direct connection to MC-4 drive dedicated power / feedback cables
Overall protection grade: IP65 (body flange + shaft end seal, suitable for food, medicine humid and dusty workshops)

Mechanical Structure Dimensions
Installation flange: 140mm×140mm square B5 standard flange, solid flat key output shaft
Overall length: approximately 325mm
Overall net weight: 16.6 kg
Cooling method: natural convection without fan, silent, maintenance-free operation
Brake configuration (B1): 24V electromagnetic de-energized brake, static holding torque ≥ 15 N·m, vertical load safety locking

Environmental and Safety Certification
Operating temperature: 0℃ ~ +50℃; Storage -25℃ ~ +70℃
Humidity: 5%–95% without condensation; Resistant to 10G mechanical vibration and shock
Certification: CE, UL, cUL, IEC 61800, ISO 13849 functional safety standard

Built-in Protection Logic
Motor PTC overheating protection, encoder break alarm, brake fault detection; Drive side equipped with full-link protection for overcurrent / overvoltage / short circuit / grounding, fault codes can be read and traced through PacDesigner software

Complete Matching and Application Scenarios
Standard drive matching
ELAU MC-4/11/10/400 (10A), MC-4/11/22/400 (22A) high-power servo drive + C400 multi-axis motion controller
Main heavy-duty application equipment
Large-width vertical / horizontal packaging production lines, large-capacity multi-head filling machines, heavy VFFS bag-making machines
Roll paper printing machine, high-speed shearing cutting, wide film tension line main shaft
Heavy-duty multi-axis assembly manipulator, heavy-duty synchronous conveyor line, plastic extrusion feed drive shaft Importing old ELAU PacDrive large-scale production line maintenance replacement and renovation

Market supply and comparison of differences with the same model
Supply type: New original inventory end products, disassembled complete machines (motor + brake assembly complete load aging, dynamic balance test refurbished parts)
Differentiating key variants of the same body SM140
B0: No brake version; B1 = This model with electromagnetic lock shaft brake
S1: Single-ring encoder (±360° reciprocating positioning); M1 = Multi-ring encoder (unlimited continuous rotation)
P1: Extended reinforced shell; P0 = Standard compact body
Guarantee: The foreign trade spare parts supplier uniformly provides 12-month whole machine warranty