ECM-E3M-C20604SSE Delta Servo Motor + B 400M L , Torque Nm - 1.27 , RPM - 3000

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ECM-E3M-C20604SSE Delta Servo Motor + B 400M L , Torque Nm - 1.27 , RPM - 3000 Specification

Product Type
Servo Motor

Usage & Applications
Industrial Machinerry

Color
Black and Silver

Weight
2.1 Kilograms (kg)

Warranty
1 Year

Phase
Three Phase

Material
Aluminum

ECM-E3M-C20604SSE Delta Servo Motor + B 400M L , Torque Nm - 1.27 , RPM - 3000 Trade Information

Minimum Order Quantity
1 Number

Delivery Time
24 Hours

About ECM-E3M-C20604SSE Delta Servo Motor + B 400M L , Torque Nm - 1.27 , RPM - 3000

The Delta ECM-E3M-C20604SSE is the 400W Medium Inertia AC servo motor equipped with an internal electromagnetic holding brake (indicated by the "S" in the suffix).

Dimensions & Weight (Inches/Lbs)

Since it includes a brake and a larger internal stator for the 400W rating, this is the longest model in the 60mm frame series.

Dimension	Metric (mm)	Imperial (Inches)
Width (Frame)	60 mm	2.36 in
Height (Frame)	60 mm	2.36 in
Body Length (L)	159.5 mm	6.28 in
Shaft Length (LR)	30 mm	1.18 in
Shaft Diameter (S)	14 mm	0.55 in
Total Weight	2.1 kg	~4.63 lbs

Core Functionality

Safety Holding: The primary function of the "SSE" model is to lock the motor shaft in place when power is disconnected. It provides a holding torque of 1.27 N-m, matching the motor's rated torque.
Vertical Axis Control: It is specifically designed for Z-axis or vertical applications where it prevents a heavy spindle or tool head from crashing down during a power outage or emergency stop.
Stable Motion: The medium-inertia rotor makes it easier to tune and control when attached to loads with higher inertia, such as heavy ball screws or large pulleys.
High Precision: Features the standard E3 series 24-bit resolution encoder, providing ultra-smooth rotation and exact positioning.

Technical Parameters

Rated Torque: 1.27 N-m (Peak: 3.81 N-m)
Rated Speed: 3000 RPM (Max: 6000 RPM)
Protection: IP67 (Dust-tight and water-resistant)
Compatibility: Pairs with the ASD-E3-0421-L (or -M/-E) servo drive.

The ECM-E3M-C20604SSE is a high-performance 400W medium-inertia servo motor from the Delta ASDA-E3 series. Its primary function is to provide precise, high-torque motion control with an integrated safety holding mechanism for demanding industrial tasks. [1, 2]

Core Functions

Precision Positioning: Equipped with a 22-bit (or 24-bit) high-resolution optical encoder, the motor provides feedback of over 4 million pulses per revolution. This allows for ultra-smooth motion and sub-micron positioning accuracy.
Safety Holding (Brake): The "SSE" designation indicates a built-in electromagnetic holding brake. Its primary role is to lock the motor shaft when power is removed, preventing heavy or vertical (Z-axis) loads from dropping due to gravity during an emergency stop or power failure.
Medium Inertia Stability: The "M" series rotor design acts as a mechanical buffer. It is specifically functional for systems with higher load-to-motor inertia ratios, such as belt-driven slides or large lead screws, as it prevents the "jitter" and oscillations common in low-inertia motors.
Dynamic Response: When paired with an E3 Series Drive, it features a 2.5 kHz response bandwidth, enabling it to react to command changes up to 5 times faster than older standard models. [1, 2, 4, 5]

Industrial Applications

Vertical CNC Axes: Holding spindles and tool heads securely in place when the machine is powered down.
Material Handling: Driving conveyor belts and transport systems where consistent torque under varying weights is required.
Packaging Machinery: Precise indexing and high-speed synchronized movement in food or pharmaceutical production lines. [1, 2, 3]

Technical Summary

Feature [1, 2, 4, 5]	Value
Rated Torque	1.27 N-m (Peak: 4.45 N-m)
Rated Speed	3000 RPM (Max: 6000 RPM)
Brake Torque	~1.27 N-m (matches rated torque for static holding)
Protection	Typically IP67 (dust-tight and water-resistant)