European Union; North America; Other Regions; Selecting The Main Contactor (Breaker) - ABB ACS880 Electrical Planning Instructions

16 Electrical planning guidelines

European Union

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 (IEC 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)
• a circuit-breaker suitable for isolation in accordance with IEC 60947-2.

North America

Installations must be compliant with NFPA 70 (NEC)
(CE) along with state and local codes for your location and application.
1)
National Fire Protection Association 70 (National Electric Code).

Other regions

The disconnecting device must conform to the applicable local safety regulations.

Selecting the main contactor (breaker)

Cabinet-installed multidrives

￭
Depending on the drive size, you can order it either with a main contactor (option +F250),
or a main breaker (option +F255).

Multidrive modules

￭
You can order a pre-selected main contactor (breaker) from ABB. See the appropriate drive
or supply module hardware manual.
Follow these guidelines when you select a customer-defined main contactor:
• Dimension the contactor according to the nominal voltage and current of the drive. Also
consider the environmental conditions such as surrounding air temperature.
• IEC devices only: Select contactor with utilization category AC-1 (number of operations
under load) according to IEC 60947-4, Low-voltage switch gear and control gear.
• Consider the application life time requirements.
North America
Installations must be compliant with NFPA 70 (NEC)
(CE) along with state and local codes for your location and application.
1)
National Fire Protection Association 70 (National Electric Code).
Other regions
The disconnecting device must conform to the applicable local safety regulations.
1)
and/or Canadian Electrical Code
1)
and/or Canadian Electrical Code