The GTK-22 3.3(2.5-4)A is a thermal overload relay manufactured by LSIS CO. With a current range of 3.3(2.5-4)A, 3-phase operation, and 4 poles, this relay provides precise and reliable overload protection. Its compact design ensures easy installation and space-saving integration. Ideal for various motor applications, this thermal overload relay helps prevent motor damage and ensures safe operation.