Surge Protection Surge Protection SG13309 SG11309 4Surge Protection SPD Class B Impulse Current I (10/350)s Type Designation Article No. Units per package SG13005 imp Lightning current arresters SPI No decoupling necessary, if arrester class C with Uc = 460 V are used for combination 35kA L - (PE)N SPI-35/440 263137 6 / 120 50kA N - PE SPI-50/NPE 263138 2 / 120 100kA N - PE SPI-100/NPE 263139 1 / 60 SPI-35/440 Lightning current arrester Sets, Lightning protection classes I, II, III, IV Description Type Designation Article No. Units per package SG14605 SPD Class B, SPI TN-C-Set 3-pole SPI-35/440/3 267487 1 / 40 TN-S/TT-Set 3+1-pole SPI-3+1 267488 1 / 20 SPI-3+1 Lead-through terminal for SPI SPB-D-125 248145 2 / 120 SPD Class B+C SG27112 Impulse Current I (10/350)s Type Designation Article No. Units per package imp PHASE OUT TYPE Lightning current arrester - surge arrester SPBT12 12.5kA L - (PE) N SPBT12-280/1 158306 12 / 120 100 kA N-PE SPBT12-NPE100 158307 1 / 60 SPBT12-280/1 Lightning current arrester - surge arrester Sets, Lightning protection classes III, IV Description Type Designation Article No. Units per package SG29612 SPD Class B+C, SPBT12 Without remote indication TN-S/TT-Set 1+1-pole SPBT12-280-1+NPE 158308 1 / 40 TN-S-Set 2-pole SPBT12-280/2 158309 1 / 60 TN-C-Set 3-pole SPBT12-280/3 158330 1 / 40 TN-S-Set 4-pole SPBT12-280/4 158331 1 / 30 TN-S/TT-Set 3+1-pole SPBT12-280-3+NPE 158332 1 / 20 TN-S/TT-Set 3+1-pole SPBT12-280-3+NPE/BB 158333 1 SPBT12-280/3 PHASE OUT TYPE With remote indication SG10407 TN-S/TT-Set 1+1-pole SPBT12-280-1+NPE-AX 158334 1 / 30 TN-S/TT-Set 3+1-pole SPBT12-280-3+NPE-AX 158335 1 Accessories Auxiliary switch for SPBT12-280 ASAUXSC-SPM 131785 4 / 120 Busbar ZV-KSBI... SPBT12-280-3+NPE-AX 5