High speed low inertia AC servo motor EM3A-15
Output power
1500 W
Rated speed
3000 rpm
Maximum speed
5000 rpm
Rated torque
4.78 Nm
Flange
100 mm
EM3A-15 series is a medium power (1500 W) and compact flange size servomotor. This motor with low rotor inertia and high dynamics is suitable for high speed applications. Motors available with optical 23-bit or magnetic 17-bit absolute encoder.
Technical data
Rated torque
4.78 Nm
Maximum torque
14.6 Nm
Rated current (200 V models EM3A-15A)
9.5 A
Rated current (400 V models EM3A-15D)
4.9 A
Maximum current (200 V models EM3A-15A)
31.6 A
Maximum current (400 V models EM3A-15D)
16.3 A
Motor inertia (motor without brake)
2.33 kg∙cm²
Motor inertia (motor with brake)
3.1 kg∙cm²
Allowable radial shaft load
686 N
Allowable axial shaft load
196 N
Optional brake holding torque
≥8 Nm
Optional brake voltage
24 VDC
Weight (motor without brake)
5.1 kg
Weight (motor with brake)
6.4 kg
Rated torque
4.78 Nm
Maximum torque
14.6 Nm
Rated current (200 V models EM3A-15A)
9.5 A
Rated current (400 V models EM3A-15D)
4.9 A
Maximum current (200 V models EM3A-15A)
31.6 A
Maximum current (400 V models EM3A-15D)
16.3 A
Motor inertia (motor without brake)
2.33 kg∙cm²
Motor inertia (motor with brake)
3.1 kg∙cm²
Allowable radial shaft load
686 N
Allowable axial shaft load
196 N
Optional brake holding torque
≥8 Nm
Optional brake voltage
24 VDC
Weight (motor without brake)
5.1 kg
Weight (motor with brake)
6.4 kg
Available motor models
| Motor model | Encoder | Brake | Servo driver | Input drive supply voltage |
| Absolute optic encoder, resolution 23-bit (8 388 608 ppr) | - | ED3L-15AEA ED3L-15APA | Single or three phase AC 200V...240V | |
| EM3A-15ALB244 | ✓ | |||
| EM3A-15ATB224 | Absolute magnetic encoder, resolution 17-bit (131 072 ppr) | - | ||
| EM3A-15ATB244 | ✓ | |||
| EM3A-15DLB224 | Absolute optic encoder, resolution 23-bit (8 388 608 ppr) | - | ED3L-15DMA ED3L-15DEA ED3L-15DPA | Three phase AC 380V...440V |
| EM3A-15DLB244 | ✓ | |||
| EM3A-15DTB224 | Absolute magnetic encoder, resolution 17-bit (131 072 ppr) | - | ||
| EM3A-15DTB244 | ✓ |
Dimensions of AC servo motor EM3A-15
Speed-torque curves of AC servo motor EM3A-15
Description of AC servo motor EM3A-15
EM3A-15 series is a medium power (1500 W) and compact flange size servomotor. This motor with low rotor inertia and high dynamics is suitable for high speed applications. Motors are available with optical 23-bit or magnetic 17-bit absolute encoder. 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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