1�9
Connection diagram
with possible combinations of switches, auxiliary contacts and auxiliary switches
Icon Explanation
1
3
5
1x
2x
0
I
30° 90°
2
4
6
1y
Main contact (MK)
GHG252 2-MK_1-AUX-C_2-AUX-S
GHG252 3-MK_1-AUX-C_2-AUX-S
GHG252 3-MK_1-AUX-C_2-AUX-S
GHG252 4--MK_2-AUX-S
GHG252 8-MK_2-AUX-S
GHG252 6-MK_2-AUX-C_2-AUX-S
GHG252 8-MK_2-AUX-S
20
Explosion-protected switch
GHG 252
a3
a3
3x
4x
5x
2y
3y
4y
5y
b4
a4
Auxiliary contacts (AUX-C)
1
0
I
30° 90°
2
1
3
0
I
30° 90°
2
4
1
3
0
I
30° 90°
2
4
1
3
0
I
30° 90°
2
4
1
3
0
I
30° 90°
2
4
1
3
0
I
30° 90°
2
4
1
3
0
I
30° 90°
2
4
a1
b2
Auxiliary switch(AUX-S)
3
1x
2x
3x
4x
5x
4
1y
2y
3y
4y
5y
5
1x
2x
3x
4x
5x
6
1y
2y
3y
4y
5y
5
1x
2x
3x
4x
5x
6
1y
2y
3y
4y
5y
5
7
1x
2x
3x
4x
6
8
1y
2y
3y
4y
5
7
9
11
11
11
6
8
10
12
12
12
3x
11
5
1x
2x
9
1
6
1y
2y
3y
10
12
2
5
1x
9
11
11
7
2x
6
8
1y
2y
10
12
12
a3
b1
a3
a1
b4
b2
a4
b2
4x
6x
5x
4y
5y
6y
11
3x
4x
12
3y
4y
GB