The Allegro ACS71240LLCBTR-030B3 is a Hall-effect based current sensor that will measure both AC and DC currents. Key specs for the “30 A” variant are:

It produces an analog voltage centered at VCC/2 that varies linearly with the sensed current.

Yes. The ACS71240LLCBTR-030B3 is the ±30 A variant. It will accurately sense AC or DC currents up to 30 A.