BRUSHLESS SERVO MOTORS

4 Pole Neodymium Magnets

Frame / Mounting	Stack	Peak Stall Torque oz-in	Cont. Stall Torque oz-in	Rotor Inertia oz-in-sec²	Friction Torque oz-in	Thermal Resistance ^oC/Watt	Power Watts	Weight lb	Max RPM
B23 NEMA 23	B23-075	120	40	0.0008	3.5	1.5	100	1.1	6000
	B23-150	240	80	0.0015	4.4	1.0	180	1.8	6000
	B23-225	342	114	0.0023	5.3	0.9	240	2.6	6000
	B23-300	432	144	0.0030	6.6	0.8	300	3.3	6000
B34 NEMA 34	B34-200	750	250	0.0088	10.5	0.52	300	5.8	6000
	B34-300	1060	380	0.0126	13.8	0.51	500	7.4	6000
	B34-400	1350	450	0.0132	17.0	0.49	700	9.0	6000
	B34-500	1650	590	0.0220	20.0	0.48	900	10.6	6000

Magmotor Selection Guide

8 Pole Neodymium Magnets

Frame / Mounting	Stack	Peak Stall Torque oz-in	Cont. Stall Torque oz-in	Rotor Inertia oz-in-sec²	Friction Torque oz-in	Thermal Resistance ^oC/Watt	Power Watts	Weight lb	Max RPM
BFA23 NEMA 23	BFA23-100	175	60	0.001	4.2	2.5	130	1.4	7000
	BFA23-200	360	115	0.002	5.3	2	240	2.4	7000
	BFA23-300	540	170	0.003	6.6	1.5	340	3.4	7000
	BFA23-400	690	230	0.004	8	1.1	440	4.3	7000
BFA34 NEMA 34	BFA34-200	810	270	0.0088	10.5	0.52	325	5.8	6000
	BFA34-300	1130	380	0.0138	13.8	0.51	540	7.4	6000
	BFA34-400	1460	490	0.0126	17	0.49	760	9	6000
	BFA34-500	1780	600	0.022	20	0.48	970	10.6	6000
BFA42 NEMA 42	BFA42-200	1950	650	0.041	22	0.35	1200	9.7	6000
	BFA42-300	2700	900	0.062	31	0.31	1700	12.8	6000
	BFA42-400	3600	1200	0.082	40	0.28	2000	16	6000
	BFA42-500	4000	1400	0.102	49	0.24	2400	19.1	6000
	BFA42-600	4800	1600	0.124	0	0.2	2800	24.2	6000

Magmotor Selection Guide