Thermal overload relay for MC9b-40a contactor series MT current 0.1-0.16A MT-32 0.1-0.16A MT-32 0,1-0,16A

Motor Protection with Thermal Relay MT-32

Thermal relay MT-32 0.1-0.16A is a reliable safety element protecting electric motors against overload. The device is designed to work with MC9b-40a series contactors, providing comprehensive protection in single- and three-phase installations. Its main task is to monitor the current flowing through the motor and disconnect the circuit if the permissible value is exceeded, preventing damage and extending the device's lifespan.

Construction and Application

The MT-32 relay is a key element in the motor protection system, especially where precise regulation and high reliability are required. Thanks to temperature compensation, it ensures stable operation in various environmental conditions. The possibility of mounting directly on the contactor or on a DIN rail (using an additional UZ-32 adapter – available separately) facilitates installation and integration with existing systems. This solution finds application in a wide spectrum of industrial, commercial applications, and in construction.

Key Features and Benefits

• Wide adjustment range: The MT-32 relay allows precise setting of the tripping threshold in the range of 0.1 - 0.16A, enabling adaptation to the specific needs of the protected motor.
• Temperature compensation: Built-in ambient temperature compensation (-5 to 40°C) ensures stable device operation regardless of external conditions. This is particularly important in installations exposed to variable temperatures.
• Compatibility with contactors: The relay is designed for seamless cooperation with MC-9 to MC-40A contactors, creating an integrated motor protection system.
• Safety and reliability: Meets safety standards and provides effective protection against overload, minimizing the risk of failure and downtime.
• Universal mounting: The possibility of direct mounting on the contactor or on a DIN rail increases installation flexibility.
• Class 10 tripping: Ensures a quick response to overloads, protecting the motor from damage.
• Rated voltage 690V: Allows use in a wide range of network voltages.
• Two independent auxiliary contacts: 1 NO (normally open) and 1 NC (normally closed) enable signaling of the device status or remote control of other system elements.

The MT-32 thermal relay is an investment in the safety and long-term operation of electric motors – both for professionals involved in electrical installations and for end-users who care about the reliability of their devices.