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4.2
Electrical connection
4.2.1
Power connection
NOTICE
Incorrect power supply
Check before connecting that the existing supply voltage corresponds to that specified on the
label of the device.
Install the power line separately from the signal lines.
A power supply cable or an appliance plug is enclosed with the device, and must only be
connected by qualified personnel (see Qualified Personnel (Page 10)). The cable is connected
to the appliance socket at the rear of the device. At the power supply end, the cable is
inserted into a mains socket.
19" rack unit
A flexible cable suitable for power supply cords must be connected to the appliance plug. The
cross-section of each conductor must be at least 1 mm
conductor must not be smaller than that of the L and N conductors. The cable must be suitable
for a temperature of at least 70 °C (158 °F) and must be approved for the country of use or the
location.
A readily accessible facility for mains disconnection must be provided in the immediate
vicinity of the analyzer.
Bench-top unit
A power supply cable must be used which is approved for the country of use or the location. The
minimum cross-section of each conductor must be at least 0.75 mm
maximum length of the cable does not exceed 2 m (6 1/2 ft). Longer cables require larger
conductor cross-sections than 0.75 mm
temperature of 70 °C (158 °F).
Series 6 and ULTRAMAT 23
Compact Operating Instructions, 01/2024, A5E45779144002-AB
2
(AWG 17). The cross-section of the PE
(AWG 18). The cable must at least be suitable for a
2
Connecting
4.2 Electrical connection
(AWG 18) as long as the
2
31
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