Thermal overload relay Chint NR2-93 designed for protection of three-phase AC motors against overload and phase failure. Current adjustment range 63-80A.
NR2 series thermal overload relays are suitable for overload and phase-failure protection of AC motors with a frequency of 50Hz/60Hz and voltage up to 690V. The NR2-93 model provides reliable protection using a three-phase bimetallic sheet mechanism with temperature compensation. It features integrated auxiliary contacts (1NO + 1NC), a trip indicator, test and stop pushbuttons, and a selectable manual or automatic reset mode. Compliant with IEC/EN 60947-4-1, it is designed for direct plug-in mounting to NC1 and NC7 series contactors or independent installation using the MB-4 mounting base.
Brand: Chint
Specifications
Application
Motor Protection
Temperature
-5°C ~ +40°C
Working Voltage
AC
Poles
3
Operational Voltage (V)
690
Operational Current (A)
80
Auziliary contact types
1NO + 1NC
Min Operational Current (A)
63
Max Operational Current (A)
80
Tripping Characteristic
Class 10A
Reset Mode
Manual/Automatic
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