Appendix B Accessories
VFD-E Series
B-2 Revision August 2006, 01EE, SW--PW V1.03/CTL V2.03
NOTE
1. Please select the brake unit and/or brake resistor according to the table.
2. If damage to the drive or other equipment is due to the fact that the brake resistors and
the braking modules in use are not provided by Ghisalba, the warranty will be void.
3. Take into consideration the safety of the environment when installing the brake resistors.
4. If the minimum resistance value is to be utilized, consult local dealers for the calculation of
the power in Watt.
5. Please select thermal relay trip contact to prevent resistor over load. Use the contact to
switch power off to the AC motor drive!
6. When using more than 2 brake units, equivalent resistor value of parallel brake unit can’t
be less than the value in the column “Minimum Equivalent Resistor Value for Each AC
Drive” (the right-most column in the table).
7. Please read the wiring information in the user manual of the brake unit thoroughly prior to
installation and operation.
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