Earthing – Multi-family dwelling without external lightning protection

Whether existing or new buildings, a functioning earth-termination system is the prerequisite for the safe operation of electric systems in buildings and for protecting people from dangerous high voltages.

The design and implementation of the earth-termination system are of central importance. After the concrete has set, it is no longer possible to retrofit this vital component, e.g. in the form of a foundation earth electrode. Omissions or errors during the construction phase cannot be corrected later or, at least, not without a great deal of effort and expense.

Product recommendations

Erdung für das MFH ohne AEB Ringerdung Hauptpotentialausgleich Fundamenterdung

A - Foundation earthing

Round wire, St/tZn, Ø10 mm

Steel wire according to EN 62561-2 with zinc coating ≥ 50 µm average (about 350 g/m2), for lightning protection and earth-termination systems. 

Strip steel, St/tZn

Strip steel (St/tZn) according to EN 62561-2 with zinc coating ≥ 70 µm average (about 500 g/m2), for lightning protection and earth-termination systems.

Sealing collar for flat conductors

For bushings of watertight foundation slabs / walls (e.g. white tank). Water-pressure-tight version can be pushed on flat conductors with stainless steel tensioning straps.

Water pressure test up to 1 bar with an installation depth of 10 m in stagnant water, additionally tested with 5 bar compressed air according to EN 62561-5.

DEHNclip Rd 8 / Rd 10

Connecting clamp tested according to EN 62561-1, for connecting reinforcement steel meshes or reinforcements to round conductors. The rebar clip allows safe, fast and easy connection of earthing materials to reinforcement parts without tools.

DEHNclip Rd 8 / Fl 30 x 3-4

Connecting clamp tested according to EN 62561-1, for connecting reinforcement steel meshes or reinforcements to flat conductors. The rebar clip allows safe, fast and easy connection of earthing materials to reinforcement parts without tools.

Connecting clamp, St/tZn

Connecting clamp (St/tZn) according to EN 62561-1, for connecting reinforcement steel meshes or reinforcements to round conductors. Version for T, cross and parallel connections.

Cross unit, St/tZn

Cross unit according to EN 62561-1, for aboveground and underground connection of round and flat conductors. Version with intermediate plate and M8 screws.

Sealing collar

For bushings of watertight foundation slabs / walls (e.g. white tank). Water-pressure-tight version can be pushed on round conductors with stainless steel tensioning straps.


Water pressure test up to 1 bar with an installation depth of 10 m in stagnant water, additionally tested with 5 bar compressed air according to EN 62561-5.

B - Ring earth electrode

Round wire, StSt (V4A), Ø10 mm

Stainless steel wire (V4A), Ø10 mm according to EN 62561-2, for lightning protection systems, earth-termination systems or equipotential bonding.

Cross unit, StSt (V4A), Rd 8-10 / Fl 30 mm

Stainless steel cross unit (V4A), Rd 8-10 / Fl 30 mm according to EN 62561-1, for aboveground and underground connection of round and flat conductors. Version with intermediate plate and M8 screws.

Anti-corrosion tape

To be wrapped around aboveground and underground connections and for use in the soil according to DIN 30672. 

C - Main equipotential bonding

Fixed earthing terminal, StSt (V4A)

Stainless steel fixed earthing terminal (V4A) according to EN 62561-1, for corrosion-free connection of the down conductor e.g. to the reinforcement of buildings or the earth-termination system, for protective equipotential bonding and / or functional equipotential bonding, installation in the formwork.

Equipotential bonding bar K12

Equipotential bonding bar K12 according to EN 62561-1, for protective and functional equipotential bonding according to EN 60364-4-41/EN 60364-5-54 (main earthing busbar) and lightning equipotential bonding according to EN 62305-3.

Connecting clamp with threaded bolt

For connecting round and flat conductors to fixed earthing terminals with M10 / 12 thread. Also suitable for installation on the reverse side of the fixed earthing terminal without terminal axis, e.g. for flat strips.

Contact

Have you got any questions? Contact us.

DEHN Inc.

Phone: 877-927-6510

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