customers have different working choice for SJY products:
1.only in AC power:AC380V or AC220V
2.only in DC24V
3.AC+DC24V together:AC380V+DC24V or AC220V+DC24V
customers have different working choice for SJY products:
1.only in AC power:AC380V or AC220V
2.only in DC24V
3.AC+DC24V together:AC380V+DC24V or AC220V+DC24V
