Three-phase bimetallic thermal overload relay CHINT NXR-25 designed to protect AC motors against overload and phase failure. Features temperature compensation, action indication, and integrated 1NO+1NC auxiliary contacts.
NXR series thermal overload relays are suitable for overload and phase loss protection for uninterrupted or intermittent AC motors with frequency of 50 Hz/60 Hz and rated operational voltage up to 690 V. The NXR-25 model with a setting range of 2.5-4 A is designed for plug-in installation directly into NXC contactors (models NXC-06 through NXC-38). It provides stable performance featuring a tripping level of Class 10A. The unit is equipped with a testing mechanism, a stop button, and a selector for manual or automatic reset modes. It includes one NO and one NC auxiliary contact which are electrically separable. Complies with standards IEC/EN 60947-4-1 and IEC/EN 60947-5-1.
Brand: Chint
Specifications
Application
Motor Protection
Temperature
-35°C ~ +70°C
Working Voltage
AC
Poles
3
Operational Voltage (V)
690
Operational Current (A)
2.5-4
Auziliary contact types
1NO+1NC
Min Operational Current (A)
2.5
Max Operational Current (A)
4
Tripping Characteristic
Class 10A
Reset Mode
Manual/Automatic
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