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KNR8 Thermal Relay

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Quantity:
  • KNR8
  • Korlen

Application
KNR8 series overload relay is suitable for 50Hz/60Hz, rated voltage up 690~1000V,rated current 0.1~400A in main circuit of long time working. It is used to protect AC three-phase asynchronous motor against overload and open phase.
This products conformity with IEC947-4, VDE0660,GB14048.4 standards .
 
Working condifion
●The altituelde should be not higher than 2000m;
●The ambient temperature:-25℃~55℃;
●The relative humidity: when +25℃,the relative humidity of air should be not more than 90%.
 
Feature
Senies overload relay of thermal metal mode, tripping class is 10A;
Setting current continuous adjustable device;
Trip indicator;
Test button;
Reset button by hand operation and automatic reset button;
Have a pair of No and Nc insulation contact in electricity;
Mode of installation: install independently or can plug in the AC contator.



 

Type Sphere of 
setting 
current(A)
Fuse specification (A)
IEC947-4
“1” “2”
KNR8-50 0.1-0.16 35 0.5
0.16-0.25 1
1.25-0.4 1.6
0.4-0.63 2
0.63-1 4
0.8-1.25 4
1-1.6 6
1.25-2 6
1.6-2.5 6
2-3.2 10
2.5-4 10
3.2-5 20
4-6.3 16
5-8 16
6.3-10 25
8-12.5 25
10-14.5 25
KNR8-52 0.1-0.16 63 0.5
0.16-0.25 1
0.25-0.4 1.6
0.4-0.63 2
0.63-1 4
0.8-1.25 4
1-1.6 6
1.25-2 6
1.6-2.5 6
2-3.2 10
2.5-4 10
3.2-5 16
4-6.3 16
5-8 20
6.3-10 25
8-12.5 25
10-16 35
12.5-20 35
16-25 50
KNR8-55 1-1.6 100 6
1.25-2 6
1.6-2.5 6
2-3.2 10
2.5-4 10
3.2-5 16
4-6.3 16
5-8 20
6.3-10 25
8-12.5 25
10-16 35
12.5-20 50
16-25 50
20-32 80
25-36 80
32-40 80
36-45 80
Type Sphere of 
setting 
current(A)
Fuse specification (A)
IEC947-4
“1” “2”
KNR8-58 12.5-20 160 50
16-25 50
20-32 63
25-40 80
32-50 100
40-57 100
50-63 100
57-70 125
63-80 250 160
70-88 160
KNR8-60 55-80 250 160
63-90 160
80-110 315 200
90-120 224
110-135 224
KNR8-61 55-80 250 160
63-90 160
80-110 315 200
90-120 224
110-135 224
120-150 224
KNR8-59 0.1-0.16 25 0.5
0.16-0.25 1
0.25-0.4 1.6
0.4-0.63 2
0.63-1 4
0.8-1.25 4
1-1.6 6
1.25-2 6
1.6-2.5 6
2-3.2 10
2.5-4 10
3.2-5 16
4-6.3 16
5-8 16
6.3-10 16
8-12.5 35 25
10-16 63 35
12.5-20 63 50
16-25 63 50
20-32 80 63
25-40 125 80
32-40 160 100
40-57 160 125
50-63 160 125
KNR8-62 55-80 250 
250
160
63-90 160
80-110 250 200
90-120 
110-135 
120-150
315 224
135-160 
150-180
355
KNR8-66 80-125 500 250
125-200 315
160-250 400
200-320 400
250-400 800 500

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Tel: 0086-577-62207777 / 62870277
Add: NO.258 Weiershi Road,Yue Qing Economic & development Zone(yanpan),zhejiang China
E-mail: korlen@korlen.com
Fax: 0086-577-62661666

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