Lenze 8200 motec Instructions De Montage page 80

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Safety instructions
Residual hazards, layout of safety instructions
Controller/system protection
Drives can reach dangerous overspeeds (e.g. setting of
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inappropriately high field frequencies):
– The controllers do not offer any protection against these operating
conditions. For this, use additional components.
Contactors in the motor cable Switching with inhibited controller
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only.
If contactors in the motor cable are switched with the controller enabled,
– monitoring functions of the controller can be activated.
– the controller can be destroyed under unfavourable operating
conditions.
Warnings!
The device has no overspeed protection.
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Must be provided with external or remote overload protection.
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Suitable for use on a circuit capable of delivering not more
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than 5000 rms symmetrical amperes, 240 V maximum (240 V
devices) or 500 V maximum (400/500 V devices) resp.
Circuit breakers (either inverse−time or instantaneous trip
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types) may be used in lieu of above fuses when it is shown
that the let−through energy (I
(Ip) of the inverse−time current−limiting circuit breaker will be
less than that of the non−semiconductor type K5 fuses with
which the drive has been tested. An inverse−time circuit
breaker may be used, sized upon the input rating of the drive,
multiplied by 300 %.
Use 60/75 °C or 75 °C copper wire only.
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If mounted on a motor the environmental rating tests for
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Type 4 and Type 12 shall be performed.
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2
t) and peak let−through current
EDK82MV222 DE/EN/FR 8.0
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