High speed low inertia AC servo motor EM3A-08
Output power
750 W
Rated speed
3000 rpm
Maximum speed
6000 rpm
Rated torque
2.39 Nm
Flange
80 mm
750 W synchronous brushless AC servo motors are used in robot hands, loading and unloading equipment, textile machines. It is a low inertia and high speed model. Available feedback systems are 17-bit, 20-bit or 23-bit absolute or incremental, optical or magnetic encoder.
Technical data
Rated torque
2.39 Nm
Maximum torque (EM3A-08AFA and EM3A-08ATA)
7.17 Nm
Maximum torque (EM3A-08ALA)
8.37 Nm
Rated current
5.1 A
Maximum current (EM3A-08AFA and EM3A-08ATA)
16.1 A
Maximum current (EM3A-08ALA)
19.5 A
Motor inertia (motor without brake)
0.91 kg∙cm²
Motor inertia (motor with brake)
1.07 kg∙cm²
Allowable radial shaft load
392 N
Allowable axial shaft load
147 N
Optional brake holding torque
≥3.2 Nm
Optional brake voltage
24 VDC
Weight (motor without brake)
2.6 kg
Weight (motor with brake)
3.2 kg
Rated torque
2.39 Nm
Maximum torque (EM3A-08AFA and EM3A-08ATA)
7.17 Nm
Maximum torque (EM3A-08ALA)
8.37 Nm
Rated current
5.1 A
Maximum current (EM3A-08AFA and EM3A-08ATA)
16.1 A
Maximum current (EM3A-08ALA)
19.5 A
Motor inertia (motor without brake)
0.91 kg∙cm²
Motor inertia (motor with brake)
1.07 kg∙cm²
Allowable radial shaft load
392 N
Allowable axial shaft load
147 N
Optional brake holding torque
≥3.2 Nm
Optional brake voltage
24 VDC
Weight (motor without brake)
2.6 kg
Weight (motor with brake)
3.2 kg
Available motor models
| Motor model | Encoder | Brake | Waterproof connector | Servo driver | Input drive supply voltage | Note |
| Absolute optic encoder, resolution 23-bit (8 388 608 ppr) | - | - | ED3L-08AEA ED3L-08APA | Single or three phase AC 200V...240V | - | |
| EM3A-08ALA241 | ✓ | |||||
| EM3A-08ALA222 | - | ✓ | ||||
| EM3A-08ALA242 | ✓ | |||||
| EM3A-08ALA223 | - | |||||
| EM3A-08ALA243 | ✓ | |||||
| EM3A-08ATA221 | Absolute magnetic encoder, resolution 17-bit (131 072 ppr) | - | - | |||
| EM3A-08ATA241 | ✓ | |||||
| EM3A-08ATA222 | - | ✓ | ||||
| EM3A-08ATA242 | ✓ | |||||
| EM3A-08ATA223 | - | |||||
| EM3A-08ATA243 | ✓ | |||||
| EM3A-08AFA221 | Incremental optic encoder, resolution 20-bit (1 048 576 ppr) | - | - | Not recommended for new projects | ||
| EM3A-08AFA241 | ✓ | |||||
| EM3A-08AFA222 | - | ✓ | ||||
| EM3A-08AFA242 | ✓ |
Dimensions of AC servo motor EM3A-08
| Motor model | L, mm | LL, mm |
| EM3A-08ALA22x | 151 | 111 |
| EM3A-08ALA24x | 184 | 144 |
| EM3A-08ATA22x | 168 | 128 |
| EM3A-08AFA22x | ||
| EM3A-08ATA24x | 201 | 161 |
| EM3A-08AFA24x |
Speed-torque curves of AC servo motor EM3A-08
Description of AC servo motor EM3A-08
750 W synchronous brushless AC servo motors are used in robot hands, loading and unloading equipment, textile machines. It is a low inertia and high speed model, which is suitable for high dynamic applications. Available feedback systems are 17-bit, 20-bit or 23-bit absolute or incremental, optical or magnetic encoder. Products can be provided with a 24VDC 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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