Why Choose the Chint NR2-93-80 Thermal Overload Relay?
The Chint NR2-93-80 is a reliable and robust thermal overload relay designed to provide overload and phase-loss protection for three-phase AC motors in industrial control and automation systems. As part of the advanced Chint NR2 thermal overload relay series, it delivers dependable motor protection with adjustable current settings and flexible installation options.
This overload relay is designed for use with compatible Chint contactors and motor control assemblies, helping protect motors from excessive current conditions that can cause overheating and premature failure. The NR2 series features a three-phase bimetal structure, temperature compensation, trip indication and manual/automatic reset functionality for reliable operation in demanding industrial environments.
With an adjustable current range of 63–80 A, the Chint NR2-93-80 is suitable for industrial motor protection applications including machinery, pumps, fans and automation systems requiring dependable overload protection.
Key Advantages
- Reliable thermal overload protection for three-phase AC motors.
- 63–80 A adjustable current range for flexible motor protection.
- Provides protection against overload and phase-loss conditions.
- Three-phase bimetal construction for accurate thermal response.
- Manual and automatic reset selection for operational flexibility.
- Compatible with Chint contactors and industrial motor control systems.
Key Features
- Chint NR2 thermal overload relay series.
- 63–80 A adjustable overload setting.
- Class 10A tripping characteristic.
- Three-phase bimetal thermal protection design.
- Integrated temperature compensation.
- Built-in trip indicator for fault identification.
- Manual and automatic reset capability.
- 1 normally open + 1 normally closed auxiliary contact configuration.
Reliable Motor Protection for Industrial Applications
Thermal overload relays are essential components in motor control systems, protecting electric motors from damage caused by excessive current, phase imbalance and abnormal operating conditions. The Chint NR2-93-80 continuously monitors motor current and trips the associated contactor when unsafe operating conditions are detected.
The NR2 series is designed for electrical engineers, panel builders and industrial automation professionals requiring dependable motor protection combined with simple installation and maintenance. Its flexible reset options, auxiliary contacts and diagnostic features support integration into modern motor control systems.
Typical Applications
- Industrial motor control panels.
- Pumps and water handling systems.
- Fans and ventilation equipment.
- Production and processing machinery.
- Factory automation systems.
- Industrial motor protection circuits.
