BTA16-800BW

[DIGIPRESSURE]

Triac snubberless (bta-16-800bw) does not require a snubber in the circuit?
Or would installing a snubber in the circuit have a good effect?

The difference between BTA16-800BW and CW is the gate current difference.
Will the current specification selection of the optocoupler be different in phase control for 380V 3-phase?