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Safety instructions

Safety instructions for the installation according to UL

2.4



2.4−3

EDSVS9332P EN 5.0−07/2013

2.4 Safety instructions for the installation according to UL

 Warnings!

ƒ Motor Overload Protection

– For information on the protection level of the internal

overload protection for a motor load, see the corresponding

manuals or software helps.

– If the integral solid state motor overload protection is not

used, external or remote overload protection must be

provided.

ƒ Branch Circuit Protection

– The integral solid state protection does not provide branch

circuit protection.

– Branch circuit protection has to be provided externally in

accordance with corresponding instructions, the National

Electrical Code and any additional codes.

ƒ Please observe the specifications for fuses and

screw−tightening torques in these instructions.

ƒ EVS9321  EVS9326:

– Suitable for use on a circuit capable of delivering not more

than 5000 rms symmetrical amperes, 480 V maximum,

when protected by fuses.

– Suitable for use on a circuit capable of delivering not more

than 50000 rms symmetrical amperes, 480 V maximum,

when protected by CC, J, T or R class fuses.

– Maximum surrounding air temperature: 0 ... +55 °C

– > +40 °C: reduce the rated output current by 2.5 %/°C

– Use 75 °C copper wire only.

ƒ EVS9327  EVS9329:

– Suitable for use on a circuit capable of delivering not more

than 5000 rms symmetrical amperes, 480 V maximum,

when protected by fuses.

– Suitable for use on a circuit capable of delivering not more

than 50000 rms symmetrical amperes, 480 V maximum,

when protected by J, T or R class fuses.

– Maximum surrounding air temperature: 0 ... +50 °C

– > +40 °C: reduce the rated output current by 2.5 %/°C

– Use 60/75 °C or 75 °C copper wire only.

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