Nema11 BS28 Series stepper motor

popular Nema 11 stepper motor, hybrid type,2 phases,1.8 degree/step

Nema11 BS28 Series stepper motor Nema11 BS28 系列步进电机特点Features: 混合式结构hybrid structure 额定电流下耐温升值thermostability up to 80℃ rise at rated current 细分性能更优异Better performance under Subdivision mode 空载无细分步距角精度Step Angle Accuracy ±5%（full step, no load）绝缘电阻Insulation Resistance 100MΩ Min，500VDC 介电强度Dielectric Strength 应用Application: 精密仪器，电子门锁，数控设备 Precision meters,electric door-lock,digital-machinery

Model No.	Step Angle	Ratio	Current/phase	Frequence	Speed	Holding Torque	Leads number	Weight

Single shaft / Double shaft	( °)	(I)	(A)	(pps)	(rpm)	(kg.cm)	(No.)	(g)
BP22BS28L32 (S) \| BP22BS28L32 (D)	1.8	5	0.67	2000	100	1.2	4/6	300
BP22BS28L32 (S) \| BP22BS28L32 (D)	1.8	20	0.67	2000	25	4	4/6	300
BP22BS28L32 (S) \| BP22BS28L32 (D)	1.8	27	0.67	2000	18	5	4/6	300
BP22BS28L32 (S) \| BP22BS28L32 (D)	1.8	50	0.67	2000	10	8	4/6	300
BP22BS28L32 (S) \| BP22BS28L32 (D)	1.8	70	0.67	2000	7	12	4/6	300
BP22BS28L32 (S) \| BP22BS28L32 (D)	1.8	100	0.67	2000	5	15	4/6	300

备注 note: 1.电机不同的机身长度对应不同的静态扭矩；Different body length correspond to different holding torque. 2.步进电机可以加装编码器或刹车制动器；Encoder and brake are optional for certain stepper motors. 3.步进电机的出轴长度和形状、出线长度可以定制；Shaft length and shape,wire length can be customized. 4.扭矩（扭力）单位换算：1N.m=10.2kg.cm=8.85lb.Inch=142.86oz.Inch.

接线示意图 Wiring diagram

电机外形尺寸 (Unit : mm) Outline & Dimension