Brushless, Frameless Torque Motors

S-Series

Browse Rotary Motors

Description

Specifications

Dimensions

Order Information

Motor Model	Units	S-50-39		S-50-52		S-50-86		S-76-35		S-76-85		S-76-149
Winding Designation		-A	-B	-A	-B	-A	-B	-A	-B	-A	-B	-A	-B
Performance Specifications^(1,5)
Stall Torque, Continuous⁽²⁾	N-m	0.20		0.33		0.56		0.53		1.60		2.86
Peak Torque⁽³⁾	N-m	0.82		1.31		2.26		2.12		6.41		11.43
Rated Speed	rpm	4,000	8,000	4,000	8000	3,000	8000	3,000	5,000	3,000	4,000	2,000	1,500
Power Output, Continuous	W	85.7	171.5	136.7	273.4	177.5	473.2	166.3	277.2	503.5	671.3	598.5	448.9
Electrical Specifications⁽⁵⁾
BEMF Const., Line-Line, Max	V_pk/krpm	10.3	3.4	17.2	5.7	32.6	10.9	32.1	16.0	51.1	34.0	70.6	105.9
Continuous Current, Stall⁽²⁾	Amp_pk	2.4	7.2	2.3	6.9	2.1	6.3	2.0	4.0	3.80	5.70	4.90	3.27
Continuous Current, Stall⁽²⁾	Amp_rms	1.7	5.1	1.6	4.9	1.5	4.5	1.4	2.8	2.7	4.0	3.5	2.3
Peak Current, Stall⁽²⁾	A_pk	9.6	28.8	9.2	27.6	8.4	25.2	8.0	16.0	15.2	22.8	19.6	13.1
Torque Constant^(4,9)	N-m/Amp_pk	0.09	0.03	0.14	0.05	0.27	0.09	0.26	0.13	0.42	0.28	0.58	0.87
Torque Constant^(4,9)	N-m/Amp_rms	0.12	0.04	0.20	0.07	0.38	0.13	0.37	0.19	0.60	0.40	0.82	1.24
Motor Constant^(2,4)	N-m/√W	0.034		0.050		0.076		0.083		0.179		0.280
Resistance, 25°C, Line-Line	ohms	6.6	0.7	8.4	0.9	12.9	1.4	10.5	2.6	5.7	2.5	4.4	10.0
Inductance, Line-Line	mH	1.50	0.17	1.30	0.14	2.40	0.27	1.40	0.35	1.10	0.49	0.87	1.96
Maximum Bus Voltage	VDC	340	160	340	160	340	160	340	160	340	160	340	340
Thermal Resistance	°C/W	2.02		1.73		1.35		1.83		0.93		0.72
Number of Poles	P	8						14
Mechanical Specifications
Frameless Motor Weight	kg	0.32		0.48		0.90		0.64		2.20		4.30
Frameless Rotor Inertia	kg-m²	1.11x10^-5		1.70x10^-5		3.40x10^-5		1.06x10^-4		4.20x10^-4		8.30x10^-4
Length of Winding, Frameless Motor	mm	39.1		51.8		85.8		35.0		84.8		149.0
Outside Diameter, Frameless Motor	mm	50.8						76.0
Rotor Bore Diameter	mm	9.5						30.0

Notes:
1. Performance is dependent upon heat sink configuration, system cooling conditions, and ambient temperature.
2. Values shown @ 75°C rise above a 25°C ambient temperature, with housed motor mounted to a 250 mm x 250 mm x 6 mm aluminum heat sink.
3. Peak torque assumes correct rms current; consult Aerotech.
4. Torque constant and motor constant specified at stall.
5. All performance and electrical specifications ±10%.
6. Losses due to bearings and aerodynamics considered negligible.
7. Maximum winding temperature is 100°C; thermistor trips at 100°C.
8. Ambient operating temperature range 0°C - 25°C; consult Aerotech for performance in elevated ambient temperatures.
9. All Aerotech amplifiers are rated A_pk; use torque constant in N-m/A_pk when sizing.

Motor Model	Units	S-130-39		S-130-60		S-130-81		S-130-102		S-130-123
Winding Designation		-A	-B	-A	-B	-A	-B	-A	-B	-A	-B
Performance Specifications^(1,5)
Stall Torque, Continuous⁽²⁾	N-m	2.36		4.18		5.89		7.69		8.65
Peak Torque⁽³⁾	N-m	9.42		16.73		23.55		30.75		34.61
Rated Speed	rpm	2,000	4,000	1,000	2,000	750	1,500	500	1,000	375	750
Power Output, Continuous	W	493.4	986.9	437.9	875.9	462.4	924.9	402.5	805.1	339.8	679.5
Electrical Specifications⁽⁵⁾
BEMF Const., line-line, max	V_pk/krpm	75.1	37.5	148.9	74.4	222.7	111.4	300.2	150.1	374.1	187.0
Continuous Current, Stall⁽²⁾	Amp_pk	3.8	7.6	3.4	6.8	3.2	6.4	3.1	6.2	2.8	5.6
Continuous Current, Stall⁽²⁾	Amp_rms	2.7	5.4	2.4	4.8	2.3	4.5	2.2	4.4	2.0	4.0
Peak Current, Stall⁽³⁾	A_pk	15.2	30.4	13.6	27.2	12.8	25.6	12.4	24.8	11.2	22.4
Torque Constant^(4,9)	N-m/Amp_pk	0.62	0.31	1.23	0.62	1.84	0.92	2.48	1.24	3.09	1.55
Torque Constant^(4,9)	N-m/Amp_rms	0.88	0.44	1.74	0.87	2.60	1.30	3.51	1.75	4.37	2.18
Motor Constant^(2,4)	N-m/√W	0.265		0.446		0.586		0.710		0.816
Resistance, 25°C, line-line	ohms	5.6	1.4	7.8	2.0	10.1	2.5	12.5	3.1	14.7	3.7
Inductance, line-line	mH	1.70	0.43	1.80	0.45	2.80	0.70	3.67	0.92	4.60	1.15
Maximum Bus Voltage	VDC	340	160	340	160	340	340	340	340	340	340
Thermal Resistance	°C/W	0.95		0.85		0.74		0.64		0.67
Number of Poles	P	18
Mechanical Specifications
Frameless Motor Weight	kg	1.87		3.60		5.30		7.00		8.70
Frameless Rotor Inertia	kg-m²	1.60x10^-3		3.00x10^-3		4.70x10^-3		6.20x10^-3		7.80x10^-3
Length of Winding, Frameless Motor	mm	38.7		59.7		80.7		101.7		122.7
Outside Diameter, Frameless Motor	mm	128.9
Rotor Bore Diameter	mm	50.8

Notes:
1. Performance is dependent upon heat sink configuration, system cooling conditions, and ambient temperature.
2. Values shown @ 75°C rise above a 25°C ambient temperature, with housed motor mounted to a 330 mm x 330 mm x 13 mm aluminum heat sink.
3. Peak torque assumes correct rms current; consult Aerotech.
4. Torque constant and motor constant specified at stall.
5. All performance and electrical specifications ±10%.
6. Losses due to bearings and aerodynamics considered negligible.
7. Maximum winding temperature is 100°C; thermistor trips at 100°C.
8. Ambient operating temperature range 0°C - 25°C; consult Aerotech for performance in elevated ambient temperatures.
9. All Aerotech amplifiers are rated A_pk; use torque constant in N-m/A_pk when sizing.

Motor Model	Units	S-180-44		S-180-69		S-180-94		S-240-43		S-240-63		S-240-83
Winding Designation		-A	-B	-A	-B	-A	-B	-A	-B	-A	-B	-A	-B
Performance Specifications^(1,5)
Stall Torque, Continuous⁽²⁾	N-m	5.99		11.12		15.93		10.73		19.71		29.09
Peak Torque⁽³⁾	N-m	23.98		44.47		63.70		42.90		78.82		116.37
Rated Speed	rpm	500	1000	500	1000	250	500	600	1200	250	500	200	400
Power Output, Continuous	W	313.8	627.7	582.1	1164.3	416.9	833.8	673.9	1347.9	515.9	1031.8	609.3	1218.6
Electrical Specifications⁽⁵⁾
BEMF Const., line-line, max	V_pk/krpm	268.7	134.4	263.9	131.9	393.4	196.7	209.4	104.7	404.3	202.2	607.2	303.6
Continuous Current, Stall⁽²⁾	Amp_pk	2.7	5.4	5.1	10.2	4.9	9.8	6.2	12.4	5.9	11.8	5.8	11.6
Continuous Current, Stall⁽²⁾	Amp_rms	1.9	3.8	3.6	7.2	3.5	6.9	4.4	8.8	4.2	8.3	4.1	8.2
Peak Current, Stall⁽³⁾	A_pk	10.8	21.6	20.4	40.8	19.6	39.2	24.8	49.6	23.6	47.2	23.2	46.4
Torque Constant^(4,9)	N-m/Amp_pk	2.22	1.11	2.18	1.09	3.25	1.63	1.73	0.87	3.34	1.67	5.02	2.51
Torque Constant^(4,9)	N-m/Amp_rms	3.14	1.57	3.08	1.54	4.60	2.30	2.45	1.22	4.72	2.36	7.09	3.55
Motor Constant^(2,4)	N-m/√W	0.628		1.053		1.391