The AF contactors are fitted with an electronic coil interface. For a given coil, this interface allows the contactor to accept a wide control / supply voltage range in d.c. as well as in a.c. (50/60Hz). The current flow through the coil is a regulated d.c. current and is therefore independent from the control voltage level and frequency. The framesizes AF 750 have a PLC input as standard, which means that they can be directly controlled with low voltage signals. AF contactor accessories are the same as those of standard a contactors of equal rating.

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