BS EN IEC 60947系列标准定义了所有低压开关设备和控制设备的要求，例如断路器和接触器。从根本上说，该系列标准是安全标准，其主要功能是确保低压设备的安全性和适用性。随着通信手段的发展，低压设备越来越智能化，可以集成到一个整体能源管理系统中。购买本文件时可获得的所有当前修订均包含在购买本文件中。

The BS EN IEC 60947 series of standards defines the requirements for all low-voltage switchgear and controlgear devices, for example, circuit breakers and contactors. Fundamentally, the series of standards are safety standards with the prime function of ensuring low-voltage devices are safe and fit for purpose. Increasingly, low-voltage devices are becoming intelligent with communication means that allow them to be integrated into an overall energy management system.All current amendments available at time of purchase are included with the purchase of this document.