Why Choose the IMO MT5-71-80 Thermal Overload Relay?
The IMO MT5-71-80 is a robust thermal overload relay designed to provide reliable protection for three-phase electric motors operating in demanding industrial environments. Engineered to detect sustained overloads and phase-loss conditions, it helps safeguard motors from overheating, reducing costly downtime and extending equipment service life.
With an adjustable current setting of 71–80 A, the MT5-71-80 can be accurately matched to the motor's full-load current, ensuring dependable overload protection across a wide range of industrial machinery and motor starter applications.
Designed for direct installation with compatible IMO contactors, this thermal overload relay offers dependable performance, easy adjustment and selectable manual or automatic reset functionality, making it ideal for electrical control panels, OEM machinery and motor control centres.
Key Advantages
- Reliable thermal overload protection for three-phase motors.
- Adjustable 71–80 A current range for precise motor protection.
- Helps protect motors against overloads and phase-failure conditions.
- Compact design integrates directly with compatible IMO contactors.
- Manual and automatic reset options for flexible operation.
- Suitable for demanding industrial motor-control applications.
Key Features
- IMO MT5 thermal overload relay series.
- 71–80 A adjustable overload setting.
- Three-pole thermal overload protection.
- Phase-failure sensitivity.
- Manual or automatic reset selection.
- Integrated mechanical trip indication.
- Auxiliary signalling contacts.
- Direct mounting to compatible IMO contactors.
Reliable Motor Protection for Industrial Applications
The IMO MT5-71-80 continuously monitors motor current and disconnects the control circuit when overload conditions persist beyond safe operating limits. This thermal protection helps prevent excessive motor temperatures while allowing normal motor starting currents without nuisance tripping.
Its adjustable overload range enables commissioning engineers to accurately match the relay to the motor's rated current, making it an ideal solution for industrial motor starters, machinery and automation systems.
Typical Applications
- Industrial pumps and compressors.
- Material handling and conveyor systems.
- Packaging and production machinery.
- Fans, blowers and HVAC equipment.
- Machine tools and manufacturing equipment.
- Motor control centres and OEM control panels.