The ABB PSTB720-600-70 is an Ultimate High-Capacity Type 1+2 Combined Surge Protective Device (SPD) from ABB's flagship PSTB series, engineered for 400V AC three-phase power systems. This device represents the apex of standard production surge protection, delivering unprecedented surge current handling capacity for mission-critical infrastructure requiring absolute protection against direct lightning strikes and extreme switching surges.

The ABB PSTB570-690-70 is an Ultra-High-Capacity Type 1+2 Combined Surge Protective Device (SPD) from ABB's premium PSTB series, specifically engineered for 690V AC three-phase power systems. This device represents the maximum standard production model for surge protection in extreme industrial environments, providing unparalleled surge current handling capability against direct lightning strikes and catastrophic switching surges in high-voltage distribution networks.

The ABB PSTB570-600-70 is a Premium High-Capacity 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 ultimate standard-model surge protection for mission-critical infrastructure, providing maximum surge current handling capability against direct lightning strikes and extreme switching surges in demanding commercial and industrial environments.

The ABB PSTB470-690-70 is a Premium High-Capacity Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, specifically engineered for 690V AC three-phase power systems. This device represents the pinnacle of surge protection for ultra-demanding industrial applications, providing maximum surge current handling capability against direct lightning strikes and catastrophic switching surges in high-voltage distribution networks.

The ABB PSTB470-600-70 is a High-Capacity 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 upper tier of surge protection for critical infrastructure, providing maximum surge current handling capability against direct lightning strikes and extreme switching surges in commercial and industrial applications.

The ABB PSTB390-690-70 is a High-Performance Type 1+2 Combined Surge Protective Device (SPD) from ABB's PSTB series, specifically engineered for 690V AC three-phase power systems. This device represents the premium protection tier for heavy industrial applications, delivering exceptional surge current handling capacity against direct lightning strikes and extreme switching surges in high-voltage distribution networks.

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.