NEMA 34 90mm Big Torque Brushless DC Motor - 8 Poles

Gearbox and encoder may be fitted as required
12 volt 24volt 48 volt 310 volt, 1000rpm 3000rpm,
0.5 N.m ~ 2.5 N.m ( 70 Oz.in ~ 355 Oz.in), 90W ~ 785W

General Specifications
Winding connection	Star / WYE
Hall effect angle	120 degree electrical angle
Radial play	0.02mm@450g
End play	0.08mm@450g
Max. radial force	220N @ 20mm from the flange
Max. axial force	60N
Insulation class	Class B
Dielectric strength	500VDC for one minute
Insulation resistance	100MΩ min., 500VDC

Model		GM90S-681230	GM90S-75A30	GM90S-88C10	GM90S-88C30	GM90S-108C10	GM90S-108C30	GM90S-136E10	GM90S-136E30
Number of pole					8 pole
Number of phase					3 phase
Rated voltage	Volt	12	24	48	48	48	48	310	310
Rated speed	RPM	3000	3000	1000	3000	1000	3000	1000	3000
Continuous stall torque	Oz-in	85	114	142	142	270	270	425	425
	Nm	0.6	0.8	1	1	1.9	1.9	3	3
Rated torque	Oz-in	71	100	121	121	241	241	355	355
	Nm	0.5	0.7	0.85	0.85	1.7	1.7	2.5	2.5
Rotor power	Watt	157	220	89	267	178	534	262	785
Peak torque	Oz-in	213	300	361	361	722	722	1062	1062
	Nm	1.5	2.1	2.55	2.55	5.1	5.1	7.5	7.5
Peak current	A	50.4	35	7.9	21.4	16.9	42.8	4	9.7
Back E.M.F	V/KRPM	3.15	3.15	34.3	12.6	32	12.6	200	81.5
Rotor inertia	kg.c㎡	0.6	0.8	1.2	1.2	1.8	1.8	2.65	2.65
Body length	mm	68	75	88	88	108	108	136	136
Weight	Kg	1.4	1.7	2.1	2.1	2.6	2.6	4.1	4.1

Dimensions (mm)

Wiring Diagram