Thermal overload relay for MC265a-400a series contactor MT current 260-400A MT-400 260-400A

Thermal overload relay for contactor – protection of motors and circuits

The MT-400 thermal overload relay, designed to work with MC-265a, MC-330a and MC-400a series contactors, is a key element in protecting electrical installations. Its task is to protect motors and circuits from the effects of overload, which translates to increased reliability and longer device life. This device, based on the principle of a bimetal strip, reacts to temperature increases caused by excessive current, automatically disconnecting the circuit. This simple but effective solution helps avoid serious failures and costly downtime.

The MT-400 relay is characterized by a wide current adjustment range (260-400A), making it a universal solution for various applications. Compact dimensions (151×171×198mm) facilitate installation in limited spaces. Made of high-quality materials, it ensures stable operation in harsh industrial conditions. Originating from Korea guarantees solid workmanship and compliance with international safety standards.

• Wide current range: 260-400A – ideal for applications requiring protection of high-power motors.

• Compatibility: Seamless cooperation with MC-265a, MC-330a and MC-400a contactors – simplifies component selection for installations.

• Overload protection: Protects motors and circuits from damage caused by excessive current – minimizes the risk of failure and downtime.

• Compact dimensions: 151×171×198mm – facilitates installation even in tight spaces.

• High quality workmanship: Guarantees reliable operation in demanding industrial conditions.

• Origin: Korean made – a synonym for solidity and durability.

LS Electric thermal overload relays are widely used in various industries, including ventilation systems, pumps, conveyor belts and material processing machines. Thanks to their reliability and ease of use, they are an optimal solution for installers and end-users looking for effective protection of their electrical equipment. It is important to select the relay correctly for the motor power and load characteristics to ensure optimal protection and long-term system operation.