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Lightning & Surge Protection



        POWER PROTECTION - SPECIAL APPLICATIONS


                                   DEHN VOLTAGE LIMITING DEVICE - VLD-F
        Features:                               Rated Impulse   Impulse Current    Short-Circuit
           - Discharge of surges without   Sparkover    Sparkover Voltage   Withstand Capability   Withstand Capability  Part No.
          short-circuit formation  Voltage DC (V)  (kV)         (10/350μs) (kA)    (kArms/100ms)                    1
           - Safe equipotential bonding   600   ≤ 1.4           25                 25             SDS1
           - Diameter 24mm         350          ≤ 0.9           25                 25             SDS2
           - Standards EN 50122-1
                                   550          ≤ 1             25                 25             SDS3
                                   230          ≤ 0.65          25                 25             SDS4
                                   120          ≤ 0.6           25                 25             SDS5







                   SDS1
                                   DEHN MAST ADAPTORS FOR SDS VOLTAGE LIMITING SPARK GAP
        Features:                  Impulse Current
           - Leakage current < 1μA at 100V DC  Withstand Capability   Short-Circuit Withstand  Long Term Current   Threaded Bolt Size  Part No.
           - Material Brass        (10/350μs) (kA)  Capability       at t ≤ 120s (kArms)
           - Degree of protection: IP67  25         21 kArms at 30ms  1            M12            MASDSM12
                                   25               77.8 kArms at 38ms  N/A        M16 / M12      3446 102








                 MASDSM12







                                   ABB VOLTAGE LIMITING DEVICE TYPE VLD-O / VLD-F
        Features:                  Nominal Triggering                Maximum Residual
           - Rated current 95A DC/   Voltage (Uтn) (V)  Iimp-n (8/20 μs) (kA)  Voltage (at Iimp-n)  HVL Device   Part No.
          95Arms AC                                                  - Ures (V)
           - Used primarily in     60                                              HVL60-0.3      7840090
          DC traction systems      120              25               800           HVL120-0.3     7840091
           - Limits touch voltages & protect
          against electric shock   -  Fixing brackets included
           - Class 2.2 according to
          EN 50526-2










                 7840090










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