3 | Installation and assembly
FISCHER Mess- und Regeltechnik GmbH
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BA_EN_NK10_H_ST4-C
1
2
3
Test button
1
2
3
4
5
6
1 Switch
(S1)
2 Switch
(S1 with warn switch S2)
PE
PE
PE
Illustration 2:
Circuit diagram
Ground connection
Illustration 3:
Ground connection
Connect the device to the earth to equalise the potential. The outer earth con-
nection is designed for 6.0 mm
2
single-wire and 4.0 mm
2
fine-wire conductors.
The potential must be equalised in every application case.
