ABB ACS355 series, Manual

Page: 75 / 78

Technical data 75
UL checklist
•
The ACS355 drive is an IP20 (UL open or NEMA 1 type) drive to be used in a heated,
indoor controlled environment. The drive must be installed in clean air according to
enclosure classification. Cooling air must be clean, free from corrosive materials and
electrically conductive dust. For detailed specifications, see
ACS355 User’s manual
(3AUA0000066143 [English]).
•
The maximum ambient air temperature is 50 °C (122 °F) at rated current. The current
is derated for 40 to 50 °C (104 to 131 °F).
•
The drive is suitable for use in a circuit capable of delivering not more than 100 kA rms
symmetrical amperes at the inverter maximum rated voltage.
•
The cables located within the motor circuit must be rated for at least 75 °C (167 °F)
UL-compliant installations.
•
The input cable must be protected with fuses or circuit breakers. Suitable IEC (class
gG) and UL (class T) fuses are listed in the
Technical data section of the user’s
manual.
•
For installation in the United States, branch circuit protection must be provided in
accordance with the National Electrical Code (NEC) and any applicable local codes.
To fulfill this requirement, use the UL-classified fuses.
•
For installation in Canada, branch circuit protection must be provided in accordance
with Canadian Electrical Code and any applicable provincial codes. To fulfill this
requirement, use the UL-classified fuses.
•
The drive provides overload protection in accordance with the National Electrical Code
(NEC).