EM3-BF Series Medium-Inertia Battery-Free Absolute Servo Motor

EM3J-BF Series Medium-Inertia Battery-Free Absolute Servo Motors EM3J-BF Series Medium-Inertia Battery-Free Absolute Servo Motors, with power coverage from 200 W to 1000 W, a rated speed of 3000 rpm, and a protection rating of up to IP67. EM3G-BF Series Medium-Inertia Battery-Free Absolute Servo Motors EM3G-BF Series Medium-Inertia Battery-Free Absolute Servo Motors, with power coverage from 850 W to 7.5 kW, a rated speed of 1500 rpm, and a protection rating of up to IP67.

Battery-Free, High Reliability
Equipped with a 23-bit battery-free absolute encoder, it offers high positioning accuracy and eliminates alarms caused by batteries, making it suitable for a wide range of applications.

High Protection, Superior Performance
Protection rating IP67, with strong temperature resistance, capable of operating normally in harsh environments and adapting to more demanding humid, dusty, and complex industrial environments.

Easy to Transport, Maintenance-Free
Enables export by avoiding the impact of dry-cell batteries on air transportation and solving transportation issues; it eliminates battery life concerns, requiring only one-time positioning for lifelong maintenance-free operation.

3C
semiconductor
Precision Manufacturing
electrical appliance
medical device
new energy

EM3J-BF Series Medium-Inertia Battery-Free Absolute Servo Motor
Voltage Level		200VAC
EM3J-xxx-BF		02A	04AL	08AL	10AL
Flange [mm]		60	60	80	80
Rated Power [kW]		0.2	0.4	0.75	1.0
Rated Speed [r/min]		3000	3000	3000	3000
Maximum Speed [r/min]		7000	7000	7000	7000
Rated Torque [N·m]		0.637	1.27	2.39	3.18
Maximum Torque [N·m]		2.23	4.46	8.37	9.54
Rated Current [Arms]		1.5	2.8	5.1	7.1
Maximum Current [Arms]		5.8	11.2	19.5	22.0
Rotor Inertia [10⁻⁴ kg·m²]		0.33(0.36)	0.64(0.68)	1.64(1.79)	2.26(2.41)
Allowable Load at Shaft End	Radial [N]	245	245	392	392
Allowable Load at Shaft End	Axial [N]	74	74	147	147
Brake Specifications	Rated Voltage	24VDC	24VDC	24VDC	24VDC
	Rated Power [W]	23
	Holding Torque [N·m]	≥1.5	≥1.5	≥3.2	≥3.2
Weight [kg]		0.9(1.3)	1.3(1.7)	2.3(2.9)	3.1(3.8)
Note: Values in parentheses indicate those of motors with a brake.

EM3G-BF Series Medium-Inertia Battery-Free Absolute Servo Motor
Voltage Level		200VAC			400VAC
EM3G-xxx-BF		09A	13A	18A	09D	13D	18D	29D	44D	55D	75D
Flange [mm]		130	130	130	130	130	130	180	180	180	180
Rated Power [kW]		0.85	1.3	1.8	0.85	1.3	1.8	2.9	4.4	5.5	7.5
Rated Speed [r/min]		1500	1500	1500	1500	1500	1500	1500	1500	1500	1500
Maximum Speed [r/min]		4500	4500	4500	4500	4500	4500	4500	4500	4500	4500
Rated Torque [N·m]		5.41	8.28	11.5	5.41	8.28	11.5	18.6	28.4	35.0	48.0
Maximum Torque [N·m]		16.2	24.8	31.0	16.2	24.8	31.0	55.8	80.0	105	120
Rated Current [Arms]		6.8	9.7	14.5	3.4	5.0	7.1	11.5	16.8	20.3	26.5
Maximum Current [Arms]		22.6	29.7	42.0	10.9	15.6	21.2	37.0	49.5	64.0	70.0
Rotor Inertia [10⁻⁴ kg·m²]		11.9(12.5)	17.3(17.9)	22.3(22.9)	11.9(12.5)	17.3(17.9)	22.3(22.9)	43.4(49.2)	58.8(64.6)	85.5(91.5)	116.8(123.0)
Allowable Load at Shaft End	Radial [N]	490	686	980	490	686	980	1470	1470	1764	1764
Allowable Load at Shaft End	Axial [N]	98	343	392	98	343	392	490	490	588	588
Brake Specifications	Rated Voltage	24VDC	24VDC	24VDC	24VDC	24VDC	24VDC	24VDC	24VDC	24VDC	24VDC
	Rated Power [W]
	Holding Torque [N·m]	≥20	≥20	≥20	≥20	≥20	≥20	≥44	≥44	≥72	≥72
Weight [kg]		5.6(7.3)	7.0(8.7)	8.3(10.0)	5.6(7.3)	7.0(8.7)	8.3(10.0)	14.6(18.8)	17.6(21.8)	23.2(27.8)	29.0(33.6)
Note: Values in parentheses indicate those of motors with a brake.

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