SIS SS EN 50 040-1989 Low-voltage switchgear and controlgear for industrial use — Inductive proximity switches — Form A, for direct current, 2 terminals
This standard specifies only inductive proximity switches for direct current, in cylindrical form, with 2 terminals for rated voltage between 12 V and 48 V.
Two types are included:
Embeddable in metal (see figure 2) : A5● Not embeddable in metal (see figure 3) : A6●
SIS SS EN 50 040-1989 history
1989SIS SS EN 50 040-1989 Low-voltage switchgear and controlgear for industrial use — Inductive proximity switches — Form A, for direct current, 2 terminals