Thermal overload relay for MC9b-40a series contactor, current 1.6-2.5A MT-32 6-9A

Motor Protection with Thermal Overload Relay MT-32

The MT-32 thermal overload relay is a reliable element protecting motor circuits against overloads and other irregularities. Designed to work with MC-9b-40a series contactors, it provides effective protection against damage resulting from overloads, phase failures, prolonged starts, or motor jams. The mounting is flexible – it can be installed directly under the contactor or separately, using a dedicated UZ-63L mounting base.

This model, in the current range of 1.6-2.5A or 6-9A (depending on the specific model), finds wide application in industrial and construction installations. Its bimetal-based construction guarantees precise and rapid response to current changes, minimizing the risk of failures and downtime. The MT-32 relay also offers the possibility of manual or automatic reset after activation, which increases ease of use and shortens repair time. Additionally, a built-in activation indicator facilitates troubleshooting.

The relay is characterized by high quality and durability. It ensures reliable operation in a wide temperature range (from -5°C to 60°C) and has an IP20 degree of protection. This makes it an ideal solution for both professional installers and end-users looking for solid and effective motor protection. It is worth noting the possibility of precise adjustment of the relay's activation threshold thanks to three levels of adjustment, allowing it to be adapted to the specific requirements of the application. It has 1NO+1NC auxiliary contacts and screw terminals.