Installation Instructions

Chapter 7 - Technical Data
Drive Power Ratings
77 | 82
Siemens Industry, Inc.
Smart Infrastructure
Siemens BT300 HVAC Drive
Installation Instructions
DPD01148
2019-05-29
Chapter 7 - Technical Data
Drive Power Ratings
Figure 62: Drive Power Ratings.
NOTE:
The rated currents in given ambient temperatures are achieved only when the
switching frequency is equal to or less than the factory default. See the Table
Siemens BT300 Technical Data in this chapter.
Definitions of Overload
Drive overload
Following continuous operation at rated output current I
L
, the drive is fed with
110% * I
L
for 1 minute, followed by a period of I
L
.
Example
If the duty cycle requires 110% rated current I
L
for 1 minute in every 10 minutes, the
remaining 9 minutes must be at or below the rated current.