1
vacon • 9 Safety
1.7 Compatibility with RCDs
1.8 Extended temperature range
VACON
®
100 X has an integrated cooling system, independent from the motor fan. Under maxi-
mum operating conditions, the ambient temperature cannot exceed 40 °C. See Table 24 and
Table 25 for the output rated current. Higher temperatures are allowed only with derating of the
output current. With derating the unit can operate up to 60°C. See the Figure 5.
Figure 5. Temperature-output current derating curve.
NOTE: the maximum allowed switching frequency above 50°C is 1.5 kHz.
The AC drive is cooled down by air-ventilation. Therefore, make sure that enough free space is left
around the AC drive to ensure sufficient air circulation (see for more details the mounting instruc-
tions on chapter 3).
1.9 Electro-magnetic compatibility (EMC)
The VACON
®
100 X complies with IEC 61000-3-12, provided that the short circuit power (SSC) is
greater than or equal to 120 at the interface point between the user's supply and the public system.
It is the responsibility of the installer or user of the equipment to ensure, by consultation with the
distribution network operator if necessary, that the equipment is connected only to a supply with a
short-circuit power SSC greater than or equal to 120.
This product can cause a d.c. current in the protective earthing conductor. Where a re-
sidual current-operated protective (RCD) or monitoring (RCM) device is used for pro-
tection in case of direct or indirect contact, only an RCD or RCM of Type B is allowed
on the supply side of this product.
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