ABB ACS800-07, Руководство пользователя, Страница: 26 / 42

Line options (F)
26
Air circuit breaker (F255)
This option provides an air circuit breaker. The withdrawable breaker provides an air
gap for electrical isolation. The trip characteristics can be configured with DIP
switches on the breaker front panel. The air circuit breaker is used for overload
protection whereas the fuses protect against short-circuits.
With this option, the internal load switches are removed from the supply modules.
Option for ACS800-07 frames n×R8i.
Standard for ACS800-17 and ACS800-37.
Other required options: +F260.
Related options: +F259 and emergency stop funQ951, Q951, see page 39 .
Not available for ACS800-07 frames R5 to R8 and other than 6-pulse n×R8i units.
Not available with frame size 1×D4 + n×R8i as standard option.
More information: See ACS800 Safety Options Hardware Manual
(3AFE68578027[English]).
+F255
U <
+F260
Supply
module
Drive