Lenze EVF9333−xV - Manual (Page 33)

Safety instructions
Safety instructions for the installation according to UL or UR
2
2.4
l
2.4−1 EDSVF9333V EN 6.2−04/2012
2.4 Safety instructions for the installation according to U
L
or U
R
J
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 EVF9321 EVF9326:
– 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 EVF9327 EVF9329:
– 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.