Here are some specifications of the Siemens contactor 3RT2028-1AF00:

Coil Voltage: The contactor operates on a coil voltage of 24V AC/DC.

Current Rating: It has a rated operational current of 40 amperes (A) AC-1 and 32 amperes (A) AC-3.

Auxiliary Contacts: The contactor comes with 2 built-in auxiliary contacts (1 NO + 1 NC) that can be used for auxiliary control or signaling purposes.

Mounting Style: It is a 3-pole contactor designed for DIN rail mounting.

Additional Features: The 3RT2028-1AF00 contactor has an integrated suppressor circuit, low coil consumption, and high switching capacity.

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