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◆Technical parameter
■Electric parameter
    a. Conforms to standards: .2
                                                               
    b. Rated voltage (Ue): 230/400V; 50/60Hz
    c. Rated breaking capacity Icn: 6kA
    d. DC short circuit breaking capacity: maximum 60V/1 pole 25kA
    e. Rated current In: 50, 63, 80, 100, 125A
    e. Trip characteristic: C, D characteristic curve
    f. Maximum connecting fuse: 200A gL (>20kA)
    g. Selectivity level: 3
    h. Working ambient temperature: -5℃~+40℃
    i. Case protection level: (after installation)
    j. Life: more than 8000 times of on-off operation
        
■Machinery parameter
    a. Exposed face length: 45mm
    b. Case height: 90mm
    c. Case width: 27mm each pole (1 pole)
    d. Installation mode: use IEC standard guide 35mm
    e. Terminal mode: lifting connecting terminal
     f. Terminal connecting capacity: 2.5-50mm2

■Main characteristic
    a. High breaking capacity and current limiting characteristic
    b. Contactor mode indicator
    c. Special accessory series
◆Outline size

Used in commerce and civil circuit for short circuit and over load protection. Rated current In (A) Rated breaking capacity Lcn (kA) 1.5 modulus 3 modulus
C characteristic curve
■Transient behavior 5~10In
■Mainly used for commerce and civil building
distribution protection.
20 25 M-LH-100/20/1/C M-LH-100/20/2/C
25 25 M-LH-100/25/1/C M-LH-100/25/2/C
32 25 M-LH-100/32/1/C M-LH-100/32/2/C
40 25 M-LH-100/40/1/C M-LH-100/40/2/C
50 25 M-LH-100/50/1/C M-LH-100/50/2/C
63 25 M-LH-100/63/1/C M-LH-100/63/2/C
80 20 M-LH-100/80/1/C M-LH-100/80/2/C
100 20 M-LH-100/100/1/C M-LH-100/100/2/C
125 15 M-LH-100/125/1/C M-LH-100/125/2/C
D characteristic curve
■Transient behavior 5~10In
■Mainly used in industry power distribution field.
50 25 M-LH-100/50/1/D M-LH-100/50/2/D
63 25 M-LH-100/63/1/D M-LH-100/63/2/D
80 20 M-LH-100/80/1/D M-LH-100/80/2/D
100 15 M-LH-100/100/1/D M-LH-100/100/2/D

◆ Load capacity
■For 1 pole M-LH series
■In temperature T (℃) and n switches working state allowed load: IDL=LnKT(T)KN(N)


Used in commerce and civil circuit for short circuit and over load protection. Rated current In (A) Rated breaking capacity Lcn (kA)  4.5 modulus
 
               3 pole
6 modulus
 
               4 pole
C characteristic curve
■Transient behavior 5~10In
■Mainly used for commerce
and civil building distribution
protection.
20 25 M-LH-100/20/3/C M-LH-100/20/4/C
25 25 M-LH-100/25/3/C M-LH-100/25/4/C
32 25 M-LH-100/32/3/C M-LH-100/32/4/C
40 25 M-LH-100/40/3/C M-LH-100/40/4/C
50 25 M-LH-100/50/3/C M-LH-100/50/4/C
63 25 M-LH-100/63/3/C M-LH-100/63/4/C
80 20 M-LH-100/80/3/C M-LH-100/80/4/C
100 20 M-LH-100/100/3/C M-LH-100/100/4/C
125 15 M-LH-100/125/3/C M-LH-100/125/4/C
D characteristic curve
■Transient behavior 5~10In
■Mainly used in industry power distribution field.
50 25 M-LH-100/50/3/D M-LH-100/50/4/D
63 25 M-LH-100/63/3/D M-LH-100/63/4/D
80 20 M-LH-100/80/3/D M-LH-100/80/4/D
100 15 M-LH-100/100/3/D M-LH-100/100/4/D

◆ Energy consumption
Conforms to standards of


■M-LH (20-100) and fuse D0 or NH short circuit breaking capacity
■ 1.4 high selectivity can be more than 1.4kA: □no selectivity function
 Fuse wire D01, D02, D03 selectivity
M-LH rated current

Fuse wire gL rated current (A)

25

35

50

63

80

100

C characteristic curve

20

<0.5

1.0

2.0

2.9

3.9

7.6

25

 

1.0

1.9

2.8

38

7.6

32

 

1.0

1.8

2.7

3.6

7.0

40

   

1.6

2.2

3.0

5.6

50

     

2.1

2.8

5.2

63

       

2.7

4.8

80

         

4.3

100

           

125

           
D characteristic curve

20

<0.5

0.9

1.7

2.5

3.4

6.7

25

 

0.9

1.6

2.3

3.2

6.2

32

 

0.9

1.5

2.3

3.0

6.0

40

   

1.4

2.0

2.6

4.7

50

     

1.8

2.3

4.3

63

       

2.1

3.7

80

         

3.1

100

           

Fuse wire NH-00 selectivity
M-LH rated current

Fuse wire gL rated current (A)

25

35

40

50

63

80

100

125

160

200

C characteristic curve

20

<0.5

1.0

1.3

1.9

2.7

3.7

6.7

17.0

25.0

25.0

25

 

0.9

1.3

1.8

2.6

3.5

6.5

17.0

25.0

25.0

32

 

0.9

1.2

1.7

2.4

3.3

6.0

15.0

23.0

25.0

40

     

1.4

2.1

2.9

4.8

12.0

18.0

25.0

50

       

1.9

2.7

4.5

11.0

17.0

25.0

63

           

4.2

10.0

15.0

25.0

80

           

3.8

8.5

12.0

25.0

100

             

7.0

10.0

25.0

125

                 

25.0

D characteristic curve

20

<0.5

0.8

1.1

1.5

2.3

3.1

5.6

 

16.0

25.0

25.0

25

 

0.7

1.0

1.4

2.1

3.0

5.3

 

14.0

23.0

25.0

32

 

0.7

1.0

1.3

2.1

2.9

5.0

 

13.0

22.0

25.0

40

     

1.1

1.8

2.5

4.2

 

10.0

15.0

25.0

50

       

1.6

2.36

3.8

 

8.5

13.0

22.0

63

         

2.1

3.2

 

7.0

10.5

18.0

80

            2.8  

5.5

804

15.0

100

               

4.8

7.5

12.5


■Trip characteristic conforms to standards of ()
■B characteristic curve: used in lighting distribution systems
■C characteristic curve: used in lighting distribution, socket circuit or some
    power distribution systems
■D characteristic curve: used in power or other high inductive load circuit.


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