说明：  合上启动（正转或反转）按钮后，电机先作星型连接启动，经延时6秒后自动换接到三角形连接运转。按下停止，电机停转。按下反转按钮后，进行反转的Y/△启动。要求正反转互锁、Y/△互锁。
(After closing the startup (forward or reverse) button, the motor will start with star connection and automatically switch to triangle connection after 6 seconds delay. Press stop, motor stop. After pressing the inversion button, the Y/Delta inversion is started. Positive and reverse interlocking and Y/Delta interlocking are required.)