Hach-Lange POLYMETRON 9611 sc Installation - Manual (Page 14)

Table 3 AC wiring information (AC models only)
Terminal Description Color—North
America Color—EU
1 Protective Earth (PE)
Ground Green Green with
yellow stripe
2 Neutral (N) White Blue
3 Hot (L1) Black Brown
Table 4 DC wiring information (DC models only)
Terminal Description Color—North
America Color—EU
1 Protective Earth (PE)
Ground Green Green with
yellow stripe
2 24 VDC return (–) Black Black
3 24 VDC (+) Red Red
Figure 12 Power connection
14 English