The Chint NXR-100 48-65 A is a thermal overload relay specifically designed to provide overload and phase failure protection for AC motors with an adjustable current range of 48 to 65 Amperes. This relay is typically coupled directly to the Chint NXC-100 series contactor.
Specifications
Brand: Chint
Series: NXR-100
Current Setting Range: 48 A to 65 A (continuously adjustable)
Protection Type: Bimetallic thermal protection and phase failure protection
Rated Operating Voltage: Up to 690 V AC
Rated Frequency: 50/60 Hz
Auxiliary Contacts: 1 NO + 1 NC (Normally Open + Normally Closed)
Mounting: Mounted directly to the Chint NXC-100 contactor or installed separately
Standards: IEC/EN 60947-4-1, IEC/EN 60947-5-1, GB 14048.4IP Degree of Protection: IP20Key Features:This relay offers several features that ensure stable and reliable performance in industrial applications:Temperature Compensation: This relay is equipped with a temperature compensation mechanism to ensure consistent tripping accuracy regardless of ambient temperature.Test Button: Allows testing of the mechanical trip function to ensure the relay is operating properly.Stop Button: Stops the load when necessary.Manual and Automatic Reset: Users can select manual or automatic reset mode after a fault condition occurs.Release Indicator: Provides a visual indication (red LED) when the relay trips due to an overload.Phase Failure Protection: In addition to overload protection, this relay also protects the motor if a phase is lost, which is critical to preventing serious damage to three-phase motors.