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3/140 ABB MOTOR PROTECTION AND CONTROL

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AFS 3-pole contactors

Dedicated for safety applications

03

Guaranteed contactor status Fast response for increased safety
ABB’s permanently fixed auxiliary contact blocks guarantee In safety applications speed is essential to protect
the correct contactor status at all times. Mechanically linked operators. AFS contactors feature fast opening times, down
and mirror contacts provide the performance required in to 20 ms for certain PLC controlled contactors, ensuring that
feedback circuits. This prevents any unexpected state when a dangerous failure is detected the operator is kept out
changes of auxiliary contact if main contacts become welded of harms way.
or stuck and ensures an accurate depiction of the safety sys-
tem status displayed at all times. Mechanically linked and mir-
ror contact symbols are marked on the yellow auxiliary block.

Prevent unexpected operations Simplify calculation of your installation safety level
Factory fitted auxiliary contact blocks that are permanently AFS contactor safety data is available in safety design tools
fixed protects devices against accidental operation and Sistema and FSDT, dedicated software for determining the
misuse. A factory-fitted transparent cover on contactors Performance Level (PL) and Safety Integrity Level (SIL) of
up to 96 A shields the contactor status indicator, providing safety functions and generating technical documentations.
additional protection from misuse.