Delta ASD-B2-0121-B User Manual page 286

Footnote:
*1 Rated rotation speed: When full load, speed ratio is defined as the minimum speed (the motor
will not pause).
*2 When command is rated rotation speed, the speed fluctuation rate is defined as:
(Empty load rotation speed – Full load rotation speed) / Rated rotation speed
*3 TN system: A power distribution system having one point directly earthed, the exposed
conductive parts of the installation being connected to that points by protective earth
conductor.
*4 Please refer to "Chart of load and operating time" in section 11.4 "Overload Characteristics".
Revision June 2010
Chapter 11 Specifications
11-3