The ABB PSTB300-600-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, engineered for 400V AC three-phase power systems. This device represents the high-capacity tier of primary surge protection at main distribution boards and service entrances, delivering superior surge current handling capability for applications requiring maximum protection against direct lightning strikes and severe switching surges.

The ABB PSTB250-690-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, specifically engineered for 690V AC three-phase power systems. This device delivers enhanced primary surge protection at service entrances and main distribution boards in heavy industrial environments with higher voltage distribution networks, offering superior surge current handling capacity against direct lightning strikes and severe switching surges.

The ABB PSTB250-600-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, designed for 400V AC three-phase power systems. This device provides enhanced primary surge protection at main distribution boards and service entrances, offering superior surge current handling capacity for applications requiring robust protection against direct lightning strikes and severe switching surges.

The ABB PSTB210-690-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, specifically engineered for 690V AC three-phase power systems. This device serves as primary surge protection at service entrances and main distribution boards in industrial environments with higher voltage distribution networks, offering enhanced protection capacity against direct lightning strikes and severe switching surges.

The ABB PSTB210-600-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, designed for 400V AC three-phase power systems. It functions as primary surge protection at main distribution boards and service entrances, offering enhanced protection capacity against direct lightning strikes and severe switching surges in commercial and industrial electrical installations.

The ABB PSTB170-690-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, specifically engineered for 690V AC three-phase power systems. This device serves as the primary surge protection at service entrances and main distribution boards in industrial environments utilizing higher voltage distribution networks.

The ABB PSTB170-600-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, engineered for 400V AC three-phase power systems. This device functions as primary surge protection at service entrances and main distribution boards, offering robust defense against both direct lightning strikes and high-energy switching surges.

The ABB PST175-600-70 is a Type 1+2 Combined Surge Protective Device (SPD) from ABB's PST series, designed for 400V AC three-phase power systems. This device serves as the primary surge protection at main distribution boards, providing robust defense against both direct lightning effects and high-energy switching surges in industrial and commercial electrical installations.

The ABB PSTX142-600-70 is a High-Performance Type 1+2 Combined Surge Protective Device (SPD) from ABB's premium PSTX series, designed for 400V AC three-phase power systems in demanding industrial and commercial applications. This device represents an optimal balance between robust protection capability and practical installation requirements for critical electrical infrastructures.

The ABB PSTX840-690-70 stands as the Pinnacle Ultra-High-Capacity Combined Type 1+2 Surge Protective Device in ABB's PSTX series, engineered exclusively for 690V AC three-phase mega-industrial power systems.