Hach Lange astroTOC Basic User Manual page 13

Electrocution hazard. Only the hot (L) connection is fused. Connect only single phase power sources to
equipment. Do not use bi-phase or poly-phase supply sources.
Connect power with conduit or a power cable. Refer to
For installation with conduit, install a power disconnect switch or circuit breaker near the analyzer
and mark it as the disconnect device for main power to the analyzer.
For installation with a power cable, make sure that the power cable is:
• Less than 3 m (9 ft) in length
• Rated for at least 60 °C (140 °F) and applicable to the installation environment
• Not less than 18 AWG
• A power cable with a three-prong plug (with ground connection) that is applicable to the supply
connection
• Connected through a cable gland (strain relief) that holds the power cable securely and seals the
enclosure when tightened
• Does not have a locking type device so it can be used as the power disconnect device
W A R N I N G
Figure 6 and Table 1.
English 13