Lightning and Surge Protection
28Pages

Lightning and Surge Protection Supplement Catalogue

Lightning Protection

Description Page Earth Electrodes / Earth Pits / Plates / Clamps 4 Clamps / Bimetal Components 12 Air-termination Rods and Systems 16 Surge Protection Devices 18 In addition to the material offered in this catalogue, DEHN (UK) Ltd have a full range of surge protection devices, external lightning / earthing protection components and safety equipment available. Further details of our comprehensive product range can be found in our main catalogues or on our website www.dehn.co.uk

Earth Electrodes, Earth Pits, Plates, Clamps

A Model Copperbond earth rod to BS6651 B Model Copperbond earth rod not to BS. C Model Copperbond earth rod domestic type with clamp not to BS. Material Rod Diameter Shank Weight Part No. Length Diameter Material Rod Diameter Shank Weight Part No. Length Diameter Material Rod Diameter Weight Part No. Length Couplings A Model 16 mm diameter coupling round version. B Model Material Diameter Weight Part No. Material Diameter Weight Part No. 16 mm hexagonal coupling for earth rods. Driving Stud A Model Material Diameter Weight Part No. HT St 5/8"UNC, approx. 16...

Conductive Concrete / Moisture Retaining Clay Earthing Procedures To improve the earthing resistance Application notes regarding the benefits and use of MARCONITE and BENTONITE. Introduction The resistance achieved by an earth system is determined by several factors. Most important amongst these is the amount of earth electrode surface area in contact with the ground and the resistivity of the ground in the immediate location of the earth nest. Resistivity can either be measured by carrying out a soil resistivity test or approximate figures can be obtained by reference to “ground type...

Clamping range Made from high strength brass alloys. Earth Rod to Cable Lug Clamp (Split Clamp) B Model Allows 25 x 3 mm tape to be connected via additional plate. C Model Rod to cable clamp (type GUV).

Lightning Conductors

A Model Bare coated copper strip. B Model PVC coated copper strip. Weight/m 0.77 kg Material Dimensions Coil size Weight/m Part No. Hard Drawn Copper Bar A Model Hard drawn copper bar supplied in 2 meter lengths. Aluminium Strip A Model Bare aluminium strip. B Model PVC covered aluminium strip. Weight/m 0.30 kg. Round Conductor A Model Bare copper round conductor. B Model Bare aluminium round conductor. C Model PVC coated copper round conductor. Weight/ m 0.49 kg. PVC coated aluminium round conductor. Weight/ m 0.18 kg.

Conductor Holders

A Model Material Colour PU pc(s) Weight Part No. Clip for bare 25 x 3 mm copper tape. B Model Clip for bare 25 x 3 mm aluminium tape. C Model Material Colour PU pc(s) Weight Part No. Clip for PVC covered 25 x 3 mm tape. DC Tape ClipA Model Material Tape Clip A Model For use with bare 25 x 3 mm copper flat tape. B Model For use with PVC covered 25 x 3 mm copper tape. A Model Adhesive base. Material Colour Weight Part No. Slate HoldfastA Model For fixing flat bare or PVC covered conductor onto a slate or concrete tile roof. Push-in Plastic ClipA Model For bare 8 mm round...

Clamps, Bimetal Components Lightning Photo by Michael Bath, www.lightningphotography.com

B-Bond Clamp Flexible Copper Earth Braid Bond Material Clamping range Weight Part No. Gun metal for 25 mm copper tape 0.10 kg BBC Material Clamping range Weight Part No. Al for 25 mm aluminium tape 0.06 kg BBA Fixed Earthing Point 4-hole earthing point, no front plate. Material Hole size Weight PU pc(s) Part No. Square Tape Clamp Material Dimension Weight Part No. Cast square clamp for copper tape. Material Dimension Weight Part No. Material Dimension Weight Part No. Material Dimension Weight Part No. Test or junction Clamp A Model Oblong for copper. B...

Equipotential Bonding

B Model Earth bar with single disconnecting C Model Earth bar with twin disconnecting links. D Model Disconnecting link. E Model Insulator complete with 2 off brass studs and 3 nuts M10 threads. Other sizes and specials available upon request. RWP Bond A Model Material Weight Part No. Pipework bond for copper 25 mm2 (Strip sold seperately). B Model Pipework bond for aluminium 25 mm2 (Strip sold seperately). Perforated Copper Strip A Model Dimensions

Air-termination Rods and Systems

A Model Gun metal base. B Model Aluminium base. C Model Copper air rod. D Model Aluminium air rod. 16 mm Air Terminal Bases and Air RodsA Model Material B Model Ridge saddle for 16 mm rods and 25 x 3 mm tape. Material Weight Dimensions Part No. B Model Rod to tape coupling. Material Weight Dimensions Part No. Gun metal 0.23 kg for 16 mm copper rods & TTRC tape Multi-point Air TerminalA Model Copper multipoint air terminal with 1 m termination rod.

Surge Protection Devices A small selection from our comprehensive range

• High performance spark-gap-based combined arrester • Wave Breaker function • Protects terminal equipment • Operating-current-free with visual status indication • Modular construction with optional (FM) auxiliary contacts

DEHNshield®: Type 1 + Type 2 Combined Lightning Current and Surge Arrester • Space-saving spark-gap-based combined arrester • Protects terminal equipment • Wave Breaker function • Operating-current-free with visual status indication

DEHNguard®: Type 2 Surge Arrester • High discharge capacity MOV-based surge arrester • Visual status indication • Protects terminal equipment • Modular construction with optional (FM) auxiliary

• Compact design surge arrester • Protects terminal equipment DEHNcord: Type 2 Surge Arrester • Visual status indication • For use in flush mounted boxes, cable ducts, terminal equipment etc.

DEHNrail®: Type 3 Surge Arrester • High discharge capacity MOV based surge arrester • Visual status indication • Protects terminal equipment • Modular construction with optional (FM) auxiliary DEHNflex® M: Type 3 Surge Arrester • Audible status indication • For use in flush mounted boxes, cable ducts, terminal equipment etc.