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NR8-200

NR8-630 Electronic Overload Relay

04

3.2

 Operation and commissioning

Figure 4 Installation and commissioning diagram

100

120

140

160

180

200

Stop

NO

Test

Reset

NO

100

120

140

160

180

200

95

96 97

98

NC

NO

Stop

Test

Reset

Test functiom

96
98

95
97

Test

Reset

97
95

98
96

96

95

Manual reset

function

Continuously

adjustable current

range

Emergency stop function

G

reen light  Red light 

Indicator status

Circuit working status

Normal

Overload delay

Phase-failure delay

Green light flashing, red light off

Green light flashing, red light on

Green light on, red light flashing

4

Maintenance

Clean  the  dust  on  the  electronic  overload  relay  timely.  Conduct  product  test  and  maintenance  every 

half a year to ensure the smooth operation of the product and the good contact of NO and NC contacts. 
Tighten the terminal screws with specified torque and align the load protection capability of the electronic 
overload relay according to commissioning requirements. 

Please be careful when handling and installing the relay. It is prohibited to move the product by crane 

so  that  the  product  will  not  be  damaged  and  its  protection  characteristics  will  not  be  changed  due  to 
strong impact. 

Table 4 Indicator status

Summary of Contents for NR8-200

Page 1: ...NO 2020 05 Standard IEC EN 60947 4 1 User Instruction NR8 200 NR8 630 Electronic Overload Relay ...

Page 2: ...n and maintenance Installation in any damp condensed phase environment with inflammable and explosive gas is forbidden When the product is being installed or maintained the power must be switched off You are prohibited from touching the conductive part when the product is operating ...

Page 3: ...ge 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 2 1 See Table 1 and Table 2 for product technical parameters Environmental conditions Table 2 Technical parameters Model Phase failure protection Reset function Release indication Test function Emergency stop function Setting current range A Matching conta...

Page 4: ...relay operation time current characteristic curve 3 phase thermal state Figure 1 Relay time current characteristic curve 3 Installation 3 1 Installation Figure 2 Product overall dimensions NR8 200 95 96 97 98 NC NO 100 120 140 160 180 200 Stop Test Reset NR8 200 1 L1 3 L2 5 L3 2 T1 4 T2 6 T3 104 0 35 128 0 7 134 0 7 104 0 35 141 2 0 9 M8 Unit mm ...

Page 5: ... 96 97 98 NC NO Stop Test Reset NR8 630 1 L1 3 L2 5 L3 2 T1 4 T2 6 T3 128 0 4 156 0 7 155 0 7 104 0 35 161 0 9 M10 Table 3 Wiring torque reference M8 10N m M10 20N m M3 5 1 2N m NR8 200 NR8 630 NR8 200 NR8 630 2 mm 2 mm 2 mm 2 mm 2 mm 2 mm 25 95 50 2 185 0 75 2 5 0 75 2 5 0 75 2 5 0 75 2 5 0 75 2 5 0 75 2 5 A 3 5mm L 8mm S ...

Page 6: ...g red light off Green light flashing red light on Green light on red light flashing 4 Maintenance Clean the dust on the electronic overload relay timely Conduct product test and maintenance every half a year to ensure the smooth operation of the product and the good contact of NO and NC contacts Tighten the terminal screws with specified torque and align the load protection capability of the elect...

Page 7: ...t or product parts should be disposed of according to the industrial waste treatment process or be sent to the recycling station for assortment dismantling and recycling according to local regulations Check installation status and conduct troubleshooting Do not place the product in environment with strong shock or vibration Strong shock or vibration Change to product with smaller size The size is ...

Page 8: ...QC PASS Test date Please see the packing ZHEJIANG CHINT ELECTRICS CO LTD NR8 200 NR8 630 Electronic Overload Relay IEC EN 60947 4 1 Check 23 07 NR8 200 NR8 630 Electronic Overload Relay ...

Page 9: ...ectronic Overload Relay User Instruction Zhejiang Chint Electrics Co Ltd Add No 1 CHINT Road CHINT Industrial Zone North Baixiang Yueqing Zhejiang 325603 P R China E mail global sales chint com Website http en chint com ...

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