When connecting bus duct, standard fastener and special elasticwasher are used, and fastened with torque spanner, to keep electrical contact in good manner.
母线槽的连接采用标准紧固件和特制弹性垫圈，并用扭力扳手旋紧，保护接触良好。 。
2
The predetermined force loading device is composed of a loading flange, a bearing ring for positioning the axis, and an elasticwasher arranged between the bearing ring and the loading flange.