Hach SC4500 Manuel D'utilisation Simplifié page 18

Figure 9 Connect conduit or a power cord
1 AC and DC power terminal
2 Cables limit: do not put cables above the line.
Terminal
L
N
Protective earth ground
Terminal
L
N 24 VDC return
Protective earth ground
4.3.4 Connect the high-voltage relays
Electrocution hazard. Always remove power to the instrument before making electrical connections.
18 English
Table 2 Wiring information—AC power
Description
Hot (Line 1)
Neutral (N)
Table 3 Wiring information—DC power
Description
+24 VDC
3 Protective earth ground
4 Conduit hub (or strain relief fitting for power cord)
Color—North America
Black
White
Green
Color—North America
Red
Black
Green
D A N G E R
Color—EU
Brown
Blue
Green with yellow stripe
Color—EU
Red
Black
Green with yellow stripe