DEHN 338009 Gutter Clamp NIRO for Lightning Protection and Earthing

On a rooftop lightning protection installation, the DEHN 338009 Gutter Clamp NIRO secures round or flat conductors directly to half-round gutters without drilling. Electricians and lightning protection technicians use it to create a durable, corrosion-resistant equipotential bond on residential and commercial buildings.

Key specifications

• Material: Stainless steel (NIRO)
• Conductor compatibility: Round 8-10 mm, flat up to 30 mm
• Max conductor cross-section: 70 mm² (round), 95 mm² (flat)
• Gutter clamping range: Up to 20 mm
• Mounting type: Clamp-on, screw connection
• Series: DEHNclip

Why choose it

The clamp's stainless steel construction withstands outdoor exposure, ensuring long-term conductivity and mechanical stability. Its clamp-on design eliminates the need for drilling or welding, speeding up installation while preserving gutter integrity.

Ideal use cases

• Connecting lightning protection conductors to half-round gutters
• Equipotential bonding in earthing systems
• Outdoor applications requiring high corrosion resistance

Good to know

The clamp is suitable for conductors up to 70 mm² round or 95 mm² flat, and fits gutters with a clamping range up to 20 mm. It is part of the DEHNclip series and designed for use in lightning protection and earthing systems.