Hach-Lange POLYMETRON 9526 - Manual (Page 12)

Figure 3 Installation off-line
Mains connection
W A R N I N G
The installation of the instrument should be performed exclusively by personnel specialized and authorized to
work on electrical installations, in accordance with relevant local regulations. In addition, and in accordance with
safety standards, it must be possible to disconnect the power supply of the instrument in its immediate vicinity.
Use a three wire mains supply cable (live, neutral and earth) with a cross-section between 0.35 and
2 mm
2 (AWG 22 to 14) rated at 105 °C minimum. The external cable insulation should be cut as
close as possible to the terminal block.
The connector for the mains power cable is delivered with the instrument (see
Figure 4 ) and can be
found in the accessory drawer (No. 7 in Figure 1 on page 8) at the front of the instrument.
Figure 4 Mains power cable connector
1 Live wire 5 Female contact with locking nut 9 Rubber gasket
2 Neutral wire 6 Rubber gasket 10 Cable tightening nut
3 Not used 7 Main connector body
4 Earth wire 8 Clamping ring
12 English