AS 62271.301:2022提供了手掌端子的标准形状和尺寸规范，铜的指定标准交流额定值高达3 150 a，铝的指定标准交流额定值高达5 000 a，圆柱形端子的指定额定电流高达4 000 a，矩形端子的指定额定电流高达5 000 a。

AS 62271.301:2022 provides specifications for standard shapes and dimensions for palm terminals for a range of assigned standard alternating current ratings up to 3 150 A for copper and 5 000 A for aluminium, dimensions for cylindrical terminals with assigned current ratings up to 4 000 A and dimensions for rectangular terminals with assigned current ratings up to 5 000 A.