About ECM-E3M-C20602SSE Delta Servo Motor + B 200W M , Torque Nm - 0.64 , RPM - 3000
The ECM-E3M-C20602SSE is the 200W Medium Inertia version of the Delta E3 series equipped with an internal electromagnetic holding brake (indicated by the "S").
Dimensions & Weight (Inches/Lbs)
Because of the added brake and the 60mm frame size, this is one of the larger and heavier motors in the 200W class.
| Dimension |
Metric (mm) |
Imperial (Inches) |
| Width (Frame) |
60 mm |
2.36 in |
| Height (Frame) |
60 mm |
2.36 in |
| Body Length (L) |
138.5 mm |
5.45 in |
| Shaft Length (LR) |
30 mm |
1.18 in |
| Shaft Diameter (S) |
14 mm |
0.55 in |
| Total Weight |
1.6 kg |
~3.53 lbs |
Key Functions
- Static Holding: The internal brake is designed to hold the shaft in place when power is cut. It provides 1.27 N-m of holding torque (nearly double the motor's rated torque), ensuring the load doesn't move.
- Vertical Stability: This motor is the standard choice for Z-axis (vertical) applications on larger machines because the medium inertia handles the weight of the spindle/head better, and the brake prevents it from dropping during an emergency stop or power failure.
- Precision Control: It maintains the 24-bit resolution common to the E3 series, allowing for extremely smooth motion even at very low speeds.
Technical Summary
- Rated Torque: 0.64 N-m
- Peak Torque: 1.92 N-m
- Rated Speed: 3000 RPM
- Mounting (PCD): 70 mm (2.76 in) with 5.5 mm holes.
The Delta ECM-E3M-C20602SSE is a 200W medium-inertia motor designed for high-precision industrial applications. It functions as a closed-loop actuator that converts electrical commands into precise mechanical motion with the added safety of an integrated brake. [
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Core Functions
- Precision Motion Control: Utilizing a 22-bit or 24-bit optical encoder, it provides feedback with a resolution of over 16 million pulses per revolution. This allows for micron-level positioning and stable operation at various speeds.
- Safety Holding Brake: The "SSE" designation indicates a built-in electromagnetic holding brake. Its primary function is to lock the motor shaft when power is removed, preventing heavy or vertical loads from falling or "back-driving" due to gravity during a power failure or emergency stop.
- Medium Inertia Stability: The "M" series rotor has a higher inertia compared to low-inertia models. This makes it specifically functional for applications with varying loads or mechanical setups like belt-driven sliders, as it reduces vibration and "jitter" during rapid movements.
- Dynamic Response: It features a high response bandwidth of 2.5 kHz, allowing it to react to command changes nearly 5 times faster than older standard drives, which significantly shortens machine settling times. [1, 2, 3, 4, 5, 6, 8]
Primary Industrial Applications
- CNC Machinery: Controls the feed rates and positioning for high-precision cutting and milling.
- Vertical Axes: Used in Z-axis robotics and spindles where the holding brake is critical for safety.
- Packaging and Textiles: Manages high-speed indexing, synchronization, and tension control.
- Medical Equipment: Enables smooth and silent movement in diagnostic imaging and automated lab analyzers