HEAT DISSIPATION     
  

MODULAR CONTACTORS

Type

Pole resistance
  
[m
W]

Dissipation
per pole at Ith 
[W]

Dissipation per 
pole at Ie AC3
[W]

Dissipation per pole
by coil with AC supply
[W]

CN20

4.5

1.8

0.36

2.5

CN25

4

2.8

0.32

3

CN40

2

3.2

0.88

5

CN63

1

4

0.84

5

    
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