7-4 Applying Power Quick Install Guide 3AXD50000011888
7.8 UL Checklist
• The drive is to be used in a heated, indoor controlled environment. The drive must be installed in clean air according to
enclosure classication. Cooling air must be clean, free from corrosive materials and electrically conductive dust. See the
hardware manual.
• The maximum ambient air temperature is 40°C (104°F) at rated current. The current is derated for 40°C to 55°C (104°F to
131°F).
• The drive is suitable for use in a circuit capable of delivering not more than 100,000 rms symmetrical amperes, 500V
maximum. The ampere rating is based on tests done according to UL 508C.
• The cables located within the motor circuit must be rated for at least 75°C (167°F) in UL-compliant installations.
• The input cable must be protected with fuses. Circuit breakers must not be used without fuses in the USA. Suitable IEC
(class aR) fuses and UL (class T) fuses are listed in the hardware manual. For suitable circuit breakers, contact your local
ABB representative.
• 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 fulll this requirement, use the UL classied fuses.
• For installation in Canada, branch circuit protection must be provided in accordance with the Canadian Electrical Code
and any applicable provincial codes. To fulll this requirement, use the UL classied fuses.
• The drive provides overload protection in accordance with the National Electrical Code (NEC).
To Next Page
Loading...
