JL18 overcurrent relay is suitable for overcurrent protection in power transmission systems with AC 50Hz, voltage up to 380V or DC voltage up to 440V, and current up to 630A. This relay has absorbed advanced technology from similar products at home and abroad, and has the advantages of reasonable and simple structure, small size, light weight, advanced technology, convenient adjustment of action value, large contact capacity, reliable action, and easy installation and maintenance. The product standard adopts the international standard IEC-337, and the main technical indicators have exceeded the corresponding indicators in IEC-337 and some economically developed countries in the world. The full range of products is complete, including AC/DC automatic reset, manual reset high return coefficient relays, and will replace relays such as JL14, JL15, JL17, etc.

JL18 series overcurrent relay