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ISOM K-20 - 551805A - SOCOMEC
2.2. Risks of damaging the unit
To ensure that the unit operates correctly, make sure that:
• The unit is correctly installed.
• The voltage of the auxiliary power supply.
• The frequency of the network shown on the device.
• There is a maximum voltage at the voltage input terminals of 480 VAC phase/phase or 277 VAC phase/neutral or 240
VDC.
•
During specific checks, disconnect the devices from the network before attempting to insulate or carry out dielectric
testing.
• The devices are designed for indoor use.
• If the ambient temperature e50°C, the minimum temperature of the copper conductors to connect to terminals
should be +85°C.
Failure to respect these precautions could cause damage to the unit or cause an electrical shock.
2.3. Responsibility
• Assembly, connection and use must be carried out in accordance with the installation standards currently in force.
• The unit must be installed in accordance with the rules given in this manual.
• Failure to observe the rules for installing this unit may compromise the device's intrinsic safety.
• The unit must be positioned within an installation which complies with the standards currently in force.
• Any cable which needs to be replaced may only be replaced with a cable with the correct rating.
3. BEFORE YOU START
To ensure the safety of personnel and the device, please carefully read the contents of these instructions before installation.
Check the following points as soon as you receive the package containing the unit:
• The packaging is in good condition
• The unit has not been damaged during transportation
• The device reference number conforms to your order
•
The packaging includes the device fitted with removable terminal blocks and a Quick Start Guide.
