The following is the recommended power adaptor for the SPD-30.
PSB-1U or PSB-100 / 120 / 230 / 240
The PSB-1U supports universal input voltage (100–240 V).
PSB-100, PSB-120, PSB-230, and PSB-240 are regional sets that include an AC cord compatible with local voltage standards. Select the appropriate set for your region.
Using any other power adaptor may cause malfunction or damage to the unit.