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DEHNguard M TNC ACI 275 FM. Three-pole modular surge protection with advanced interrupting element (ACI) for three-phase TNC network system.
Type 2 arrester according to EN61643-11. Nom surge current 20kA (8/20). Security level< 1.5 kV. Short-circuit resistance: 25kAeff.
With remote contact for defect reporting (changeover contact, potential free).
- The ACI technology offers the following benefits:
- ACI makes a separate pre-fuse unnecessary
- no leakage current: longer lifespan of the arrester
- resistance to temporary overvoltages (440V): increased availability
- wire section always 6mm²: easy to install
- DEHNguard ACI is selective with pre-installed installation machines from 35A
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