UL E337323 Servomotors | McMaster-Carr

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2,000 in·ozf to 2,999 in·ozf

3,000 in·ozf to 9,999 in·ozf

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27 Products

AC Servomotors

Good for high speeds with fast accelerations, these servomotors are often used in automated assembly, material handling, and packaging applications. These motors require a low amount of force to stop or start, commonly referred to as low inertia, so they respond to position commands quickly and can rapidly accelerate and decelerate.

Pair a servomotor and drive (sold separately) for accurate speed and position control. The absolute encoder built into the motor knows the exact position of the shaft at startup and relays distance, direction, and speed back to the drive. Based on this feedback, the drive dynamically adapts the motor’s movements and increases system efficiency. A brake resistor protects the drive from regenerated electricity as the motor slows or stops.

Maximum Torque—Torque generally decreases as speed increases. Use a torque-speed curve to confirm which motor will work for your application. Click on a part number and select "Product Detail" to view the curve for a motor.

	Servomotors															Servomotor Power and Encoder Cords
									Shaft, mm
	Motor Frame Size	Max. Torque, in·lbf	Continuous Torque, in·lbf	Max. Rotation Speed, rpm	Current, amp	Max. Current, amp	Power, hp	Wattage, W	Dia.	Lg.	Ctr.-to-Base Lg.	No. of Counts per Rev.	Enclosure Rating		Each		Each
230V AC, Three Phase



		73 mm	35.5	10.7	4,500	2.29	13.8	1/2	400	11	23	36.5	4,096	IP65	00000000	000000000	00000000	0000000


		73 mm	65.5	17.7	4,500	4.03	24	1	680	11	23	36.5	4,096	IP65	00000000	00000000	00000000	000000
		88 mm	80	22.2	4,500	5.25	31.5	1	850	14	30	44	4,096	IP65	00000000	00000000	00000000	000000
		88 mm	132.7	39.2	4,500	9.78	59	2	1,500	14	30	44	4,096	IP65	00000000	00000000	00000000	000000


		400V AC, Three Phase



				73 mm	35.9	10.7	4,500	1.32	7	1/2	400	11	23	36.5	4,096	IP65	00000000	00000000	00000000	000000


				73 mm	67.3	17.7	4,500	2.3	13.1	1	680	11	23	36.5	4,096	IP65	00000000	00000000	00000000	000000
				88 mm	87.4	22.2	4,500	3.05	18.3	1	850	14	30	44	4,096	IP65	00000000	00000000	00000000	000000
				88 mm	138.9	39.2	4,500	5.4	32.5	2	1,500	14	30	44	4,096	IP65	00000000	00000000	00000000	000000
				116 mm	156.6	51.9	3,000	4.9	25	2	1,800	24	50	58	4,096	IP65	00000000	00000000	00000000	000000
				116 mm	218.6	72.7	3,000	7.5	39	3 1/2	2,600	24	50	58	4,096	IP65	00000000	00000000	00000000	000000

Accessories for Servomotors

Servomotor Drives


Drive	Keypad

Drives can be quickly set up and programmed to control position, speed, and torque from a computer or programmable logic controller (PLC). These drives only require one cord to connect to the motor and encoder. Once connected, the drive recognizes the motor and automatically begins startup. Use the keypad to start the motor, run diagnostics, and edit motion parameters directly from the drive. Drives also include safe torque off (STO) functionality, which prevents power from going to the motor during an emergency stop or maintenance.

						Overall, mm			No. of Inputs/Outputs
	Communication Protocol	For Max. Motor Torque	Current, amp	Operating Voltage, V AC	Electrical Phase	Lg.	Wd.	Ht.	Digital Inputs	Digital Inputs/Outputs	Analog Inputs	Analog Inputs/Outputs	Enclosure Rating		Each
For 230V AC Motor Voltage



		Modbus TCP/IP, Ethernet/IP	35.5 in·lbf	5	200 to 240	Three	170	80	303	6	2	1	1	IP20	00000000	000000000


		Modbus TCP/IP, Ethernet/IP	65.5 in·lbf	8.4	200 to 240	Three	180	80	392	6	2	1	1	IP20	00000000	00000000
		Modbus TCP/IP, Ethernet/IP	80 in·lbf	12.6	200 to 240	Three	180	80	392	6	2	1	1	IP20	00000000	00000000
		Modbus TCP/IP, Ethernet/IP	132.7 in·lbf	19.2	200 to 240	Three	225	105	445	6	2	1	1	IP20	00000000	00000000


		For 400V AC Motor Voltage



				Modbus TCP/IP, Ethernet/IP	35.9 in·lbf	2.9	380 to 500	Three	170	80	303	6	2	1	1	IP20	00000000	00000000


				Modbus TCP/IP, Ethernet/IP	67.3 in·lbf	5	380 to 500	Three	170	80	303	6	2	1	1	IP20	00000000	00000000
				Modbus TCP/IP, Ethernet/IP	87.4 in·lbf	8.6	380 to 500	Three	180	80	392	6	2	1	1	IP20	00000000	00000000
				Modbus TCP/IP, Ethernet/IP	138.9 in·lbf to 156.6 in·lbf	11.3	380 to 500	Three	180	80	392	6	2	1	1	IP20	00000000	00000000
				Modbus TCP/IP, Ethernet/IP	218.6 in·lbf	14.4	380 to 500	Three	180	80	392	6	2	1	1	IP20	00000000	00000000

Servomotor Gear Boxes

Gear boxes reduce the speed and increase the torque output of your motor. These planetary gear boxes have low backlash, which allows them to maintain a high-level of precision when transmitting motion from your servomotor. They also have hardened steel gears that withstand fast accelerations in dynamic applications. They come permanently lubricated, so there is no need to add or maintain oil or grease.

		Output						Output Shaft, mm		Overall, mm
	For Motor Frame Size	Max. Torque, in·lbf	Continuous Torque, in·lbf	Max. Speed, rpm	Max. Input Speed, rpm	Backlash Angle	For Input Shaft Dia., mm	Dia.	Lg.	Lg.	Wd.	Ht.		Each
5:1 Speed Ratio



		73 mm	584.1	247.8	1,500	7,500	0.067°	11	16	28	141.6	73	73	00000000	000000000


		88 mm	584.1	247.8	1,500	7,500	0.067°	14	16	28	144.5	88	88	00000000	00000000
		116 mm	1,221.4	752.3	1,500	7,500	0.067°	24	22	36	183.8	120	120	00000000	00000000


		10:1 Speed Ratio



				73 mm	371.7	247.8	750	7,500	0.067°	11	16	28	141.6	73	73	00000000	00000000


				88 mm	371.7	247.8	750	7,500	0.067°	14	16	28	144.5	88	88	00000000	00000000
				116 mm	1,053.2	752.3	750	7,500	0.067°	24	22	36	183.8	120	120	00000000	00000000