Citel DS42-230/G SPD, type 2, 1-phase, 230/400VProduct Overview The DS42 230 G is a Type 2 AC surge protector designed for primary protection of single phase networks at the main electrical panel in 230V applications. This 2 pole SPD features hybrid MOV+GDT (Metal Oxide Varistor + Gas Discharge Tube) technology with pluggable modules for each phase, providing both common mode and differential mode protection with optional remote signaling capability for enhanced system monitoring. Key Features: