High speed medium inertia AC servo motor EM3J-08

Output power

750 W

Rated speed

3000 rpm

Maximum speed

6000 rpm

Rated torque

2.39 Nm

Flange

80 mm

EM3J-08

EM3J-08 is a high speed and medium inertia 750 W synchronous AC brushless servo motor. The motors can be equipped with 17-bit magnetic or 23-bit optical absolute encoder. Optional 24VDC brake is available.

Technical data

Rated torque

2.39 Nm

Maximum torque (EM3J-08ATA)

7.17 Nm

Maximum torque (EM3J-08ALA)

8.37 Nm

Rated current

5.1 A

Maximum current (EM3J-08ATA)

16.1 A

Maximum current (EM3J-08ALA)

19.5 A

Motor inertia (motor without brake)

1.64 kg∙cm²

Motor inertia (motor with brake)

1.79 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)

2.3 kg

Weight (motor with brake)

2.9 kg

Rated torque

2.39 Nm

Maximum torque (EM3J-08ATA)

7.17 Nm

Maximum torque (EM3J-08ALA)

8.37 Nm

Rated current

5.1 A

Maximum current (EM3J-08ATA)

16.1 A

Maximum current (EM3J-08ALA)

19.5 A

Motor inertia (motor without brake)

1.64 kg∙cm²

Motor inertia (motor with brake)

1.79 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)

2.3 kg

Weight (motor with brake)

2.9 kg

Available motor models

Motor model Encoder Brake Waterproof connector Servo driver Input drive supply voltage
EM3J-08ALA221 Absolute optic encoder,
resolution 23-bit
(8 388 608 ppr)
- - ED3L-08AMA
ED3L-08AEA
ED3L-08APA
Single phase AC
200V...240V
EM3J-08ALA241
EM3J-08ALA222 -
EM3J-08ALA242
EM3J-08ATA221 Absolute magnetic encoder,
resolution 17-bit
(131 072 ppr)
- -
EM3J-08ATA241
EM3J-08ATA222 -
EM3J-08ATA242

Dimensions of AC servo motor EM3J-08

Dimensions of AC servo motor EM3J-08
Motor model L, mm LL, mm
EM3J-08ALA22x 142 102
EM3J-08ALA24x 175 135
EM3J-08ATA22x 159 119
EM3J-08ATA24x 192 152

Speed-torque curves of AC servo motor EM3J-08

Speed-torque curves of AC servo motor EM3J-08

Description of AC servo motor EM3J-08

EM3J-08 is a high speed and medium inertia 750 W synchronous AC brushless servo motor. The motors can be equipped with 17-bit magnetic or 23-bit optical absolute encoder.

Independent electromagnetic design improve rotor rotation inertia. Inherit all the advantages of EM3A series, but with higher inertia. This high speed series offers a range of output power and different encoder types.

Optional 24 VDC brake is available.

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