Thermal overload relay for MC185a-225a series contactor, current 160-240A MT-225 160-240A

Motor Protection with Thermal Overload Relay MT-225

The MT-225 thermal overload relay is a reliable safety device protecting electric motors from overload. Designed to work with MC185a and MC225a contactors, it provides effective protection in demanding industrial applications. This device protects motors in the range of 160-240A, making it a universal solution for various loads.

Construction and Functionality

The MT-225 relay features independent mounting, which simplifies its installation and servicing. It has a screw connection of the main circuit, ensuring secure and durable electrical connections. Equipped with one normally open and one normally closed auxiliary contact, it allows integration with control and signaling systems. The use of this type of relay allows for a quick reaction to the increase in motor temperature, minimizing the risk of its damage. Additionally, it provides protection against the effects of phase asymmetry and phase failure, increasing the safety of the entire system.

Application and Benefits

The MT-225 thermal overload relay finds application in a wide range of industrial applications where protection of electric motors against overload is required. It is ideal for protecting motors in pumps, fans, conveyors and other equipment used in heavy industry. Thanks to its reliability and precision, this relay allows to extend the life of motors and reduce costs associated with their repairs and replacements. It also ensures the safety of personnel by minimizing the risk of failures caused by motor overload. The device is compatible with MC-185 and MC-225A contactors, which simplifies the selection of appropriate components for the installation.