EM3A Series Low-Inertia Servo Motor

EM3A Series Low-Inertia Servo Motors are designed for high-speed and high-dynamic-response applications, with power coverage from 50 W to 5.0 kW, a rated speed of 3000 rpm, a protection rating of up to IP65, and support for certification requirements such as CE and UL. They are suitable for robots, semiconductor manufacturing equipment, die bonders, packaging machines, various 3C equipment, and more.

High Response
Significantly reduces transmission errors and lag, achieving high dynamic response and positioning accuracy to meet the demands of high-speed and high-cycle production equipment.

Comprehensive Certifications
Supports certification requirements such as CE and UL, meeting the stringent electrical safety and electromagnetic compatibility requirements of global markets, facilitating barrier-free export and widespread application of equipment.

Flexible Configuration
Optional configurations are available according to customer requirements, including flat key, threaded shaft end, with or without brake, connector type, etc.

3C
semiconductor
Precision Manufacturing
electrical appliance
medical device
new energy

Voltage Level		200VAC
EM3A-		A5AL		01AT	01AL	02AT	02AL	04AT	04AL	08AT	08AL	10AT	10AL
Flange [mm]		40		40		60		60		80		80
Rated Power [kW]		0.05		0.1		0.2		0.4		0.75		1.0
Rated Speed [r/min]		3000		3000		3000		3000		3000		3000
Maximum Speed [r/min]		6000	7000	6000	7000	6000	7000	6000	7000	6000	7000	6000	7000
Rated Torque [N·m]		0.159		0.318		0.637		1.27		2.39		3.18
Maximum Torque [N·m]		0.557		0.954	1.11	1.91	2.23	3.82	4.46	7.17	8.37	9.54
Rated Current [Arms]		0.9		1.1		1.5		2.9		5.1		6.9
Maximum Current [Arms]		3.3		3.5	4.0	4.7	5.8	9.2	11.5	16.1	19.5	21
Rotor Inertia [10⁻⁴ kg·m²]		0.0230(0.0268)		0.0428(0.0465)		0.147(0.179)		0.244(0.276)		0.910(1.07)		1.14(1.30)
Allowable Load at Shaft End	Radial [N]	78		78		245		245		392		392
	Axial [N]	54		54		74		74		147		147
Brake Specifications	Rated Voltage	24VDC		24VDC		24VDC		24VDC		24VDC		24VDC
	Holding Torque [N·m]	≥0.32		≥0.32		≥1.5		≥1.5		≥3.2		≥3.2
Weight [kg]		0.4(0.6)		0.5(0.7)		0.9(1.3)		1.3(1.7)		2.6(3.2)		3.1(3.8)

Note: Values in parentheses indicate those of motors with a brake.

Voltage Level		200VAC		400VAC
EM3A-		15A	20A	15D	20D	30D	40D	50D
Flange [mm]		100	100	100	100	130	130	130
Rated Power [kW]		1.5	2.0	1.5	2.0	3.0	4.0	5.0
Rated Speed [r/min]		3000	3000	3000	3000	3000	3000	3000
Maximum Speed [r/min]		5000	5000	5000	5000	5000	5000	5000
Rated Torque [N·m]		4.78	6.37	4.78	6.37	9.80	12.8	15.9
Maximum Torque [N·m]		14.3	19.1	14.3	19.1	29.4	38.4	47.7
Rated Current [Arms]		9.5	12.6	4.9	6.4	10.5	13.0	15.9
Maximum Current [Arms]		31.6	42.0	16.3	20.5	33.0	40.0	50.0
Rotor Inertia [10⁻⁴ kg·m²]		2.33(3.10)	2.95(3.72)	2.33(3.10)	2.95(3.72)	7.72(9.00)	10.2(11.6)	14.0(15.4)
Allowable Load at Shaft End	Radial [N]	686	686	686	686	980	980	980
Allowable Load at Shaft End	Axial [N]	196	196	196	196	392	392	392
Brake Specifications	Rated Voltage	24VDC	24VDC	24VDC	24VDC	24VDC	24VDC	24VDC
Brake Specifications	Holding Torque [N·m]	≥8	≥8	≥8	≥8	≥20	≥20	≥20
Weight [kg]		5.1(6.4)	6.1(7.5)	5.1(6.4)	6.1(7.5)	10.0(12.0)	12.0(14.0)	15.5(17.5)

Note: Values in parentheses indicate those of motors with a brake.

	FileName	Category	Format	Release Date	Operation
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