Servo Systems
ALPHA7 | Servomotor Model Codes

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Servomotor Model Codes

You can determine the model code of a product by filling in digits according to sequence numbers.

Digit	Specifications	Code
1	Basic type
	Ultra-low Inertia	GYS
	Medium Inertia	GYB
	Medium Inertia	GYG
2	Rated output
	50×10⁰=50W	500
	10×10¹=100W	101
	20×10¹=200W	201
	40×10¹=400W	401
	75×10¹=750W	751
	85×10¹=850W	851
	10×10²=1.0kW	102
	13×10²=1.3kW	132
	15×10²=1.5kW	152
	18×10²=1.8kW	182
	20×10²=2.0kW	202
	30×10²=3.0kW	302
	40×10²=4.0kW	402
	50×10²=5.0kW	502
3	Rated speed
	3000r/min series	D
	2000r/min series	C
	1500r/min series	B
4	Development order
4	7	7
5	Encoder
	24-bit ABS	E
	24-bit Battery-less ABS	B
	24-bit INC	N
6	Oil seal/shaft(Note 1)(Note2)
	Without oil seal, straight shaft, with key	A
	Without oil seal, straight shaft, without key	B
	Without oil seal, straight shaft, with key, tapped	C
	With oil seal, straight shaft, with key	E
	With oil seal, straight shaft, without key	F
	With oil seal, straight shaft, with key, tapped	G
7	Input voltage
7	3-phase 200V	2
8	Brake(Note 3)
	Without brake	No marking
	With brake	B
	Without brake (GYB connector type)	C
	With brake (GYB connector type)	D

Note 1: GYS motors with keys are not tapped for voltages of 0.1kW or less and are tapped for voltages of 0.2kW or more.

Note 2: Types with oil seals are made-to-order, so some specifications may differ from those of standard stock products.

Note 3: Select unmarked or B type for GYB lead wire types.

Category	Specifications									Type
Category	Model	Voltage	Rated speed	Oil seal/ Shaft	Encoder	Brake	Wire connection	Flange □	Applicable motor rated output [kW]	Type
Motor	GYS motor (Ultra-low Inertia)	200V	3000 r/min	Without oil seal Without key (Note 1)	24-bit ABS	No	Lead wire	□40	0.05	GYS500D7-EB2
								□40	0.1	GYS101D7-EB2
								□60	0.2	GYS201D7-EB2
								□60	0.4	GYS401D7-EB2
								□80	0.75	GYS751D7-EB2
							Connector	□100	1.0	GYS102D7-EB2
									1.5	GYS152D7-EB2
									2.0	GYS202D7-EB2
								□130	3.0	GYS302D7-EB2
									4.0	GYS402D7-EB2
									5.0	GYS502D7-EB2
						Yes	Lead wire	□40	0.05	GYS500D7-EB2-B
								□40	0.1	GYS101D7-EB2-B
								□60	0.2	GYS201D7-EB2-B
								□60	0.4	GYS401D7-EB2-B
								□80	0.75	GYS751D7-EB2-B
							Connector	□100	1.0	GYS102D7-EB2-B
									1.5	GYS152D7-EB2-B
									2.0	GYS202D7-EB2-B
								□130	3.0	GYS302D7-EB2-B
									4.0	GYS402D7-EB2-B
									5.0	GYS502D7-EB2-B
					24-bit INC	No	Lead wire	□40	0.05	GYS500D7-NB2
								□40	0.1	GYS101D7-NB2
								□60	0.2	GYS201D7-NB2
								□60	0.4	GYS401D7-NB2
								□80	0.75	GYS751D7-NB2
							Connector	□100	1.0	GYS102D7-NB2
									1.5	GYS152D7-NB2
									2.0	GYS202D7-NB2
								□130	3.0	GYS302D7-NB2
									4.0	GYS402D7-NB2
									5.0	GYS502D7-NB2
						Yes	Lead wire	□40	0.05	GYS500D7-NB2-B
								□40	0.1	GYS101D7-NB2-B
								□60	0.2	GYS201D7-NB2-B
								□60	0.4	GYS401D7-NB2-B
								□80	0.75	GYS751D7-NB2-B
							Connector	□100	1.0	GYS102D7-NB2-B
									1.5	GYS152D7-NB2-B
									2.0	GYS202D7-NB2-B
								□130	3.0	GYS302D7-NB2-B
									4.0	GYS402D7-NB2-B
									5.0	GYS502D7-NB2-B
	GYB motor (Medium Inertia)	200V	3000 r/min	Without oil seal Without key (Note 1)	24-bit ABS	No	Connector	□40	0.05	GYB500D7-EB2-C
								□40	0.1	GYB101D7-EB2-C
								□60	0.2	GYB201D7-EB2-C
								□60	0.4	GYB401D7-EB2-C
								□80	0.75	GYB751D7-EB2-C
						Yes		□40	0.05	GYB500D7-EB2-D
								□40	0.1	GYB101D7-EB2-D
								□60	0.2	GYB201D7-EB2-D
								□60	0.4	GYB401D7-EB2-D
								□80	0.75	GYB751D7-EB2-D
					24-bit INC	No		□40	0.05	GYB500D7-NB2-C
								□40	0.1	GYB101D7-NB2-C
								□60	0.2	GYB201D7-NB2-C
								□60	0.4	GYB401D7-NB2-C
								□80	0.75	GYB751D7-NB2-C
						Yes		□40	0.05	GYB500D7-NB2-D
								□40	0.1	GYB101D7-NB2-D
								□60	0.2	GYB201D7-NB2-D
								□60	0.4	GYB401D7-NB2-D
								□80	0.75	GYB751D7-NB2-D
24-bit ABS (Battery- less)					No	□40		0.05	GYB500D7-BB2-C
						□40		0.1	GYB101D7-BB2-C
						□60		0.2	GYB201D7-BB2-C
						□60		0.4	GYB401D7-BB2-C
						□80		0.75	GYB751D7-BB2-C
					Yes	□40		0.05	GYB500D7-BB2-D
						□40		0.1	GYB101D7-BB2-D
						□60		0.2	GYB201D7-BB2-D
						□60		0.4	GYB401D7-BB2-D
						□80		0.75	GYB751D7-BB2-D
24-bit ABS					No	Lead wire	□40	0.05	GYB500D7-EB2
							□40	0.1	GYB101D7-EB2
							□60	0.2	GYB201D7-EB2
							□60	0.4	GYB401D7-EB2
							□80	0.75	GYB751D7-EB2
					Yes		□40	0.05	GYB500D7-EB2-B
							□40	0.1	GYB101D7-EB2-B
							□60	0.2	GYB201D7-EB2-B
							□60	0.4	GYB401D7-EB2-B
							□80	0.75	GYB751D7-EB2-B
24-bit INC					No		□40	0.05	GYB500D7-NB2
							□40	0.1	GYB101D7-NB2
							□60	0.2	GYB201D7-NB2
							□60	0.4	GYB401D7-NB2
							□80	0.75	GYB751D7-NB2
					Yes		□40	0.05	GYB500D7-NB2-B
							□40	0.1	GYB101D7-NB2-B
							□60	0.2	GYB201D7-NB2-B
							□60	0.4	GYB401D7-NB2-B
							□80	0.75	GYB751D7-NB2-B
24-bit ABS (Battery- less)					No		□40	0.05	GYB500D7-BB2
							□40	0.1	GYB101D7-BB2
							□60	0.2	GYB201D7-BB2
							□60	0.4	GYB401D7-BB2
							□80	0.75	GYB751D7-BB2
					Yes		□40	0.05	GYB500D7-BB2-B
							□40	0.1	GYB101D7-BB2-B
							□60	0.2	GYB201D7-BB2-B
							□60	0.4	GYB401D7-BB2-B
							□80	0.75	GYB751D7-BB2-B
GYG motor (Medium Inertia)	200V	2000 r/min	Without oil seal Without key (Note 1)	24-bit ABS	No	Connector	□130	1.0	GYG102C7-EB2
								1.5	GYG152C7-EB2
								2.0	GYG202C7-EB2
					Yes			1.0	GYG102C7-EB2-B
								1.5	GYG152C7-EB2-B
								2.0	GYG202C7-EB2-B
				24-bit INC	No			1.0	GYG102C7-NB2
								1.5	GYG152C7-NB2
								2.0	GYG202C7-NB2
					Yes			1.0	GYG102C7-NB2-B
								1.5	GYG152C7-NB2-B
								2.0	GYG202C7-NB2-B
				24-bit ABS (Battery- less)	No			1.0	GYG102C7-BB2
								1.5	GYG152C7-BB2
								2.0	GYG202C7-BB2
					Yes			1.0	GYG102C7-BB2-B
								1.5	GYG152C7-BB2-B
								2.0	GYG202C7-BB2-B
		1500 r/min		24-bit ABS	No			0.85	GYG851B7-EB2
								1.3	GYG132B7-EB2
								1.8	GYG182B7-EB2
					Yes			0.85	GYG851B7-EB2-B
								1.3	GYG132B7-EB2-B
								1.8	GYG182B7-EB2-B
				24-bit INC	No			0.85	GYG851B7-NB2
								1.3	GYG132B7-NB2
								1.8	GYG182B7-NB2
					Yes			0.85	GYG851B7-NB2-B
								1.30	GYG132B7-NB2-B
								1.8	GYG182B7-NB2-B
				24-bit ABS (Battery- less)	No			0.85	GYG851B7-BB2
								1.3	GYG132B7-BB2
								1.8	GYG182B7-BB2
					Yes			0.85	GYG851B7-BB2-B
								1.3	GYG132B7-BB2-B
								1.8	GYG182B7-BB2-B