Main Technical Parameters - CHINT NR8-200 User Instruction

NR8-200、NR8-630 Electronic Overload Relay
Use Purpose
1
NR8-200, NR8-630 electronic overload relay (hereinafter referred to as relay) is applicable to circuits
with frequency of AC 50Hz or 60Hz, rated operating voltage up to 690V and current from 80A to 630A. It is
used for overload protection and phase-failure protection of 3-phase AC motor. It can also be used with
corresponding contactor to act as magnetic starter.
2

Main Technical Parameters

2.1 See Table 1 and Table 2 for product technical parameters.
Ambient temp. (℃)
Hot and humid atmospheric conditions
Altitude
Pollution class/installation category
Model
Phase-failure protection
Reset function
Release indication
Test function
Emergency stop function
Setting current range (A)
Matching contactor
Auxiliary contacts
Rated insulation voltage Ui
Rated operating voltage Ue
Rated impulse withstand voltage Uimp
Auxiliary circuit
Protection class
Table 1 Environmental conditions
Environmental conditions
-5℃~+40℃, average temperature should not exceed +35℃ within 24h
Relative humidity should not exceed 50% at +40℃; up to 90% at +20℃;
No influence below 2000m
Class 3/III
Table 2 Technical parameters
80-160
NC8-115 175
Ith
AC-15
DC-13
NR8-200
Yes
Manual reset
Yes
Yes
Yes
100-200
～
1NO+1NC
690V
660V/690V and below
6kV
5A
220V/230V 2.5A; 380V/400V 1.5A
220V 0.2A
IP00
01
NR8-630
Yes
Manual reset
Yes
Yes
Yes
125-250 200-400 315-630
NC8-205 500 ～