About ECMA-LA1855S3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500
The Delta ECMA-LA1855S3 is a powerful 5500W (5.5 kW) AC servo motor designed for high-torque, high-inertia applications. The "L" signifies High Inertia, making it the go-to choice for massive mechanical systems that require steady, vibration-free motion.
Dimensions & Weight
- Weight: ~84.88 lbs (38.5 kg).
- Length: ~15.16 inches (385 mm).
- Width (Frame Size): ~7.09 inches (180 mm).
- Height (Frame Size): ~7.09 inches (180 mm).
Core Specifications
- Rated Output Power: 5.5 kW (5500W).
- Rated Torque: 35.01 Nm (Peak torque up to 87.53 Nm).
- Rated Speed: 1500 RPM (Maximum speed up to 3000 RPM).
- Input Voltage: 400V AC.
- Encoder Type: 17-bit Absolute encoder.
- Brake: Included (The "S3" suffix indicates a model with a brake and a specific shaft/keyway configuration).
- Protection: IP65 (Dust-tight and protected against water spray).
Shaft Specifications
- Shaft Diameter: ~1.38 inches (35 mm).
- Shaft Type: Includes a keyway and oil seal for heavy-duty industrial use.
Functionality
This motor is built for "heavy lifting" in industrial automation. Its high rotor inertia allows it to handle large reflected loadslike massive CNC machine tables or industrial mixing bladeswithout the "jitter" often seen in smaller motors. The integrated brake ensures the load is held securely during power loss, a critical requirement for heavy vertical axes.