Supply Connection; Disconnecting Device; Fuses; Main Contactor - ABB ACS800 Series Hardware Manual

44

Supply connection

Disconnecting device

Install a hand-operated input disconnecting device between the AC power source
and the drive. The disconnecting device must be of a type that can be locked to the
open position for installation and maintenance work.
EU
To meet the European Union Directives, according to standard EN 60204-1, Safety
of Machinery, the disconnecting device must be one of the following types:
• switch-disconnector of utilization category AC-23B (EN 60947-3)
• disconnector that has an auxiliary contact that in all cases causes switching
devices to break the load circuit before the opening of the main contacts of the
disconnector (EN 60947-3)
• circuit breaker suitable for isolation in accordance with EN 60947-2.
US
The disconnecting device must conform to the applicable safety regulations.

Fuses

See section

Main contactor

If used, dimension the contactor according to the nominal voltage and current of the
drive. The utilization category (IEC 947-4) is AC-1.
Planning the electrical installation
Thermal overload and short-circuit protection.