The Delta ECMA-C21020SS is a 2kW servo motor from the renowned ECMA series, designed to deliver exceptional performance in high-inertia and high-speed applications. This model, specifically the ECMA-C21020SS, features a low-inertia design that provides rapid dynamic response, making it a top choice for precision automation systems such as CNC machines, robotic arms, and conveyor lines. With a 20-bit serial encoder, it ensures absolute position feedback for closed-loop control, while the 6.37 N·m rated torque and 3000 rpm maximum speed guarantee reliable operation under varying loads. The motor comes with a standard key-way shaft and no oil seal, simplifying installation and reducing maintenance costs. All necessary connectors are included for seamless wiring to Delta’s B2 series servo drives, ensuring a complete and ready-to-deploy solution for industrial engineers worldwide.
| Parameter |
Specification |
| Motor Model |
ECMA-C21020SS |
| Rated Power |
2.0 kW |
| Rated Torque |
6.37 N·m |
| Maximum Torque |
19.1 N·m (peak) |
| Rated Speed |
3000 rpm |
| Maximum Speed |
5000 rpm |
| Encoder Type |
20-bit absolute serial encoder (17-bit for some models) |
| Encoder Resolution |
1,048,576 pulses/rev (20-bit) |
| Inertia Type |
Low inertia (0.54 × 10⁻⁴ kg·m²) |
| Brake |
Without brake (standard) |
| Oil Seal |
No oil seal |
| Shaft Type |
With key-way (key included) |
| Insulation Class |
Class F (155°C) |
| Protection Rating |
IP40 (motor body) |
| Ambient Temperature |
0°C to 40°C (operation) |
| Ambient Humidity |
20% to 80% RH (non-condensing) |
| Mounting Flange |
Standard IEC 72-1 (100mm flange) |
| Connectors Included |
CN1, CN2, power terminals (without cables) |
| Weight |
Approx. 4.2 kg |
| Compatible Drive |
ASD-B2-2023-B (3-phase 220VAC) |
| Supply Voltage |
3-phase 220VAC (drive input) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22