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CHINT NR2 Series Thermal Overload Relays
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CHINT NR2 Series Thermal Overload Relays

Manufacturer: CHINT
Model: NR2 Series Thermal Overload Relays
Electric ratings: AC 50/60Hz, 690V, 0.1A~150A
Tripping class: 10A
Mounting version: Plug-in

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Product Description

CHINT NR2 Series Thermal Overload Relays are designed to protect AC motors (50Hz/60Hz) against overload and phase failure in long-term or intermittent-duty applications. With a voltage rating up to 690V and current coverage from 0.1A to 150A (extendable to 630A), these relays ensure stable motor operation in industrial settings like manufacturing, power systems, and building automation.

Standard Features

They integrate seamlessly with contactors via plug-in installation or operate independently, offering reliability and compliance with global standards

  • Temperature Compensation: Maintains accuracy across varying ambient temperatures

  • Dual Reset Modes: Supports both manual and automatic reset options

  • Phase Failure Protection: Detects and responds to phase loss in three-phase systems

  • Visual Indicators: Clear tripping status and fault identification via LED/mechanical indicators

  • Test/Stop Buttons: Allows functional checks and emergency shutdowns

  • IP20 Protection: Basic dust and finger-contact protection for indoor use

Technical Specifications

ModelCurrent class(A)Current Setting (A)Tripping indicatorAuxiliary contact

NR2-11.5

100.1-13yes1 N/O+1 N/C
NR2-25250.1-25 
NR2-363623-36 
NR2-939323-93 
NR2-15015080-150 

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