JL22型智能过电流继电器

JL 22 inteligenty over current relay

电磁式过电流继电器调整困难、精度低、可靠性差、不能有效的对机电设备进行保护。新研制的ＪＬ２２型过电流继电器可靠性高、功能多、使用方便。文中介绍这种多功能过流继电器的设计原理、技术参数及性能。

Electromagnetic overcurrent relays which are difficult to be adjusted and have low accuracy and reliability can not effectively protect electromechanical equipments.New JL22 intelligent overcurrent relay features high reliability,multfunction and easy to use.This paper presents its design principle,technical parameters and performance.