CHINT NXR-12 User Manual

01
Use Purpose
1
NXR-12~100 thermal overload relay (hereinafter referred to as thermal
relay) is applicable to circuits with frequency of AC 50Hz or 60Hz, rated
operating voltage up to 690V and current from 0.1A to 100A. It is used for
overload protection and phase-failure protection of 3-phase AC motor.
Environment conditions
Ambient temp. (℃)
Hot and humid
atmospheric conditions
Normal operating temperature: -5℃~+40℃
(extreme operating temperature: -35℃~
+70℃), average temperature should not
exceed +35℃ within 24h
Relative humidity should not exceed 50% at
+40℃; up to 90% at +20℃
Pollution class/installation category
Altitude
No influence below 2000m
Class 3/Ⅲ
Main Technical Parameters
2
Table 1 Environmental conditions and
technical parameter of main circuit
Table 2 Technical parameters
Model
Phase-failure protection
Manual and automatic reset
Temperature compensation
Tripping indication
Test button
Stop button
Setting current range (A)
NXR-12
NXR-25 NXR-38
NXR-100
Yes
Yes
Yes
Yes
Yes
Yes
0.1-12
Yes
Yes
Yes
Yes
Yes
Yes
0.1-25
Yes
Yes
Yes
Yes
Yes
Yes
23-38
Yes
Yes
Yes
Yes
Yes
Yes
23-100

CHINT NXR-12 Specifications

General

Brand	CHINT
Model	NXR-12
Category	Relays
Language	English