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Electrical Conditions

These STK cartridge library systems should be powered in accordance with the voltage and frequency characteristics indicated in the following tables.

VOLTAGE	Single-phased 230 Volts Tolerances between 207 V and 244 V Three-phased 400 Volts Tolerances between 358 V and 423 V
FREQUENCY	50 Hz ± 1 %

As all the electronic hardware is equipped with switch-mode power supply technology, account should be taken of the values represented belowThese figures should be communicated to the supplier if it is decided to install a power supply interface (DC-AC inverter, isolating transformer, etc.).

POWER FACTOR	0.7
GLOBAL HARMONIC RATE	< 5 %
AVERAGE FORM FACTOR	2

Pre-Requisites:

For remote maintenance, make provision, for the libraries, for one direct telephone line, with access to the national network.

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