High speed low inertia AC servo motor EM3A-A5
Output power
50 W
Rated speed
3000 rpm
Maximum speed
6000 rpm
Rated torque
0.16 Nm
Flange
40 mm
EM3A-A5 series are high speed and low inertia synchronous AC servo motors. These small-sized servo motors with a power of 50 W are used in small automatic machines, instruments and machine tools. Motors available with optical 23-bit or magnetic 17-bit absolute encoder.
Technical data
Rated torque
0.16 Nm
Maximum torque
0.55 Nm
Rated current
0.9 A
Maximum current
3.3 A
Motor inertia (motor without brake)
0.023 kg∙cm²
Motor inertia (motor with brake)
0.027 kg∙cm²
Allowable radial shaft load
78 N
Allowable axial shaft load
54 N
Optional brake holding torque
≥0.32 Nm
Optional brake voltage
24 VDC
Weight (motor without brake)
0.4 kg
Weight (motor with brake)
0.6 kg
Rated torque
0.16 Nm
Maximum torque
0.55 Nm
Rated current
0.9 A
Maximum current
3.3 A
Motor inertia (motor without brake)
0.023 kg∙cm²
Motor inertia (motor with brake)
0.027 kg∙cm²
Allowable radial shaft load
78 N
Allowable axial shaft load
54 N
Optional brake holding torque
≥0.32 Nm
Optional brake voltage
24 VDC
Weight (motor without brake)
0.4 kg
Weight (motor with brake)
0.6 kg
Available motor models
| Motor model | Encoder | Brake | Waterproof connector | Servo driver | Input drive supply voltage |
| Absolute optic encoder, resolution 23-bit (8 388 608 ppr) | - | - | ED3L-A5AEA ED3L-A5APA | Single phase AC 200V...240V | |
| EM3A-A5ALA241 | ✓ | ||||
| EM3A-A5ALA222 | - | ✓ | |||
| EM3A-A5ALA242 | ✓ | ||||
| EM3A-A5ALA223 | - | ||||
| EM3A-A5ALA243 | ✓ | ||||
| EM3A-A5ATA221 | Absolute magnetic encoder, resolution 17-bit (131 072 ppr) | - | - | ||
| EM3A-A5ATA241 | ✓ | ||||
| EM3A-A5ATA222 | - | ✓ | |||
| EM3A-A5ATA242 | ✓ | ||||
| EM3A-A5ATA223 | - | ||||
| EM3A-A5ATA243 | ✓ |
Dimensions of AC servo motor EM3A-A5
Speed-torque curves of AC servo motor EM3A-A5
Description of AC servo motor EM3A-A5
EM3A-A5 series are high speed and low inertia synchronous AC servo motors by Estun manufacturer. These small-sized servo motors with a power of 50 W are used in small automatic machines, instruments and machine tools. Motors are available with optical 23-bit or magnetic 17-bit absolute encoder. The motors are suitable for applications with a maximum speed of 6000 rpm. Products can be provided with a 24 VDC holding brake option.
The EM3A series boasts a low inertia design for extremely-fast response times. These motors are highlighted with the perfect combination of compact size and high torque performance, ensuring unparalleled dynamic response and precision positioning when used together with servo drivers ED3L series. Versatile and powerful, the these servo drive systems has a wide range of applications, thanks to its top-tier performance, varied power range, and compact form factor. Elevate your technical operations with the EM3A series servo motors and ED3L servo drive system.
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