Delta Electronics

Delta Electronics ECM-B3M-E21320SS1 ECM-B3 Series Servo Motor

SKU ECM-B3M-E21320SS1

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Delta Electronics

  • Product No.: ECM-B3M-E21320SS1

  • Country of origin:United States

  • Product Type: Servo Motors

  • Payment: T/T, Western Union

  • Weight: 8500g

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Engineered for high-performance industrial motion control, the Delta Electronics ECM-B3M-E21320SS1 is a medium-inertia brushless AC servo motor operating within the specialized ECM-B3 Series family. This motor features a 24-bit incremental optical encoder that provides high-resolution feedback to the control system, ensuring precise positioning and velocity regulation. Designed with a standard 130 mm frame size, it outputs a rated power of 2 kW at a synchronous speed of 2000 rpm under a 220V supply voltage. Equipped with a built-in electromagnetic holding brake and a specialized oil seal, this unit is built to maintain system integrity in vertical axes and demanding environments.

Features

  • 24-Bit Incremental Encoder: Delivers high-precision optical feedback for demanding motion profiles.
  • Integrated Electromagnetic Holding Brake: Secures vertical and gravity-loaded axes during power-off states.
  • Industrial-Grade Sealing: Features a built-in oil seal to protect internal components against fluid ingress.
  • Medium Inertia Rotor: Optimizes load matching for application profiles requiring stable speed control with fluctuating loads.
  • Standard Mechanical Interface: Standard 130 mm frame size with a keyway shaft configuration for clean mechanical integration.

Applications

  • Vertical axis positioning systems requiring reliable holding brakes.
  • Multi-axis CNC machining centers and metal cutting machinery.
  • Industrial packaging, labeling, and material handling systems.
  • Automated assembly lines and pick-and-place gantry robots.

Technical Specifications

Specification Value
Manufacturer Delta Electronics
Model Number ECM-B3M-E21320SS1
Motor Series ECM-B3 Series
Inertia Type Medium inertia
Rated Power Output 2.0 kW
Rated Voltage 220 VAC
Rated Speed 2000 rpm
Encoder Type 24-bit incremental optical encoder
Frame Size 130 mm
Shaft Configuration Standard keyway (with fixed screw holes)
Brake Options Equipped with electromagnetic brake
Sealing Oil seal integrated
Special Code 1 (Standard product)
Net Weight 8.5 kg
Shipping Weight (Calculated) 9.5 kg

Empirical Engineering Insights

Alternative Models & Compatibility

The ECM-B3M-E21320SS1 is optimized for direct deployment with the Delta ASDA-B3 series AC Servo Drives. If you are retrofitting older ASDA-B2 systems (ECMA series motors), note that the encoder connection and power connector pinouts differ. Adapter cables or terminal redesigns are required to avoid feedback mismatch faults at the drive level.

Application Pitfalls & Engineering Notes

The integrated electromagnetic brake designated by this model suffix is strictly a holding brake. It is designed to prevent gravitational slip when the servo loop is disabled. Attempting to use this brake to decelerate a moving load under dynamic conditions will cause rapid friction-lining wear, leading to mechanical drift or complete failure of the holding holding capacity.

Commissioning & Wiring Tips

To maintain signal integrity for the high-resolution 24-bit encoder, ensure encoder cables are run separate from power cables. Keep a minimum separation distance of 30 cm inside cable trays. Always ground the motor frame directly to the central PE ground plate of the main electrical enclosure to minimize high-frequency PWM switching noise feedback.

Installation Guidelines

CRITICAL WARNING: Verify that all main electrical power inputs to the associated drive are locked out and tagged out. Wait a minimum of 10 minutes for the servo drive internal DC bus capacitors to discharge completely before making or breaking any motor power or encoder connections.
1
Align the motor shaft keyway carefully with the driven mechanical coupling to avoid radial or axial overloading.
2
Mount the motor base securely to a rigid, vibration-free machine bed plate using standard 130 mm frame mounting holes.
3
Connect the heavy-gauge motor power lines and secure the protective PE earth connection.
4
Plug in the high-speed 24-bit encoder feedback cable and ensure the locking ring is fully engaged.
5
Verify auxiliary 24 VDC power routing to the built-in electromagnetic brake system before commissioning.

FAQ

Which drive series is compatible with the ECM-B3M-E21320SS1 motor?

This servo motor is designed specifically to interface with the Delta ASDA-B3 series AC Servo Drives matching the 2.0 kW power specification.

Can the electromagnetic brake on this motor be used to stop dynamic loads?

No. The integrated brake is designed strictly for holding a stationary shaft position during power-down states and must not be used for dynamic mechanical stopping.

What resolution does the built-in encoder offer?

The motor features a high-resolution 24-bit incremental optical encoder, enabling highly precise feedback control and low velocity ripple.

What is the physical frame size and shaft style of this unit?

The motor has a standard 130 mm frame size and a keyway shaft configuration with standard mounting dimensions and integrated oil sealing.

View all FAQs →

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  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

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