Surge arrester with ACI technology DEHNguard M TT ACI 275 FM 4-pole modular, pluggable surge arrester with integrated ACI switch/spark link for 230/400 V TT and TN-S systems, width 4TE with telecommunication contact arrester type 2 in accordance with EN 61643-11 Maximum continuous voltage: 275 V ac Protection level: <= 1.5 kV Nominal leakage surge current: 20 kA Additional external fuse not necessary Energetic coordination according to DIN EN 62305-4 arrester of the Red/Line family Mech. Defect indicator for arresters Make: DEHN Type: DG M TT ACI 275 FM Art.-No.: 952341 or equivalent. https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2021-05-18 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2021-09-28 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2022-10-24 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2023-01-06 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2023-10-21 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2024-03-23 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2024-05-21 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2024-07-09 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2024-07-31 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2025-10-18 https://elecena.pl/product/18506446/952341-type-2-surge-protector-tt-tn-s-with-aci 2026-02-17