tm30,tm40,tm31系列适用于交流50/60hz,额定电压690v及以下，额定电流1~2000a的供电系统中，具有过载保护、短路保护、欠电压保护、漏电保护、接地保护，采用先进的电流限制技术，icu最大达到100ka。
体积小、模块化安装、安装方式齐全、可以采用智能化脱扣器，保护曲线现场可调，可实现计算机通讯，与多种工业现场总线连接。无飞弧专利技术设计，可以提高系统的安全性，并且有效地缩小安装的体积，不降低绝缘性能。
tm30,tm40,tm31 series breakers are widely used for ac 50/60hz, rated voltage 690v with below, rated current 1-2000a power supply system, and. with overload protection, short-circuit protection, under-voltage protection, leakage protection, ground protection, tm30,tm40 series breakers are also equipped with advanced technology of current limiting, and max icu can reach 100ka.
our breakers have the advantages of small size, modular installation, kinds of installation methods, and they are equipped with intelligence release, local-adjustable protection curve, computer communications, and a wide variety of industrial field bus connection. non-arcing patented technology designed to improve system security, and effectively reduce the size of the installation, and meanwhile do not reduce the insulation performance.
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