DEHN + SOEHNE MV-Klemme 390550 St/tZn Multi-Purpose Clamp

Equipotential bonding and lightning protection systems require reliable, corrosion-resistant connections between conductors and metallic structures. The DEHN + SOEHNE MV-Klemme 390550 St/tZn provides a secure screw connection for round and flat conductors, ensuring low contact resistance and high mechanical stability in indoor and outdoor environments.

Who is it for

Electricians and installers working on lightning protection, grounding, and equipotential bonding systems who need a durable, hot-dip galvanized clamp for connecting conductors to pipes, steel beams, and other metallic structures.

Main features

• Hot-dip galvanized steel (St/tZn) construction for excellent corrosion protection
• Accepts round conductors 8-10 mm and flat conductors up to 30 mm width, 3.5-10 mm thickness
• Screw connection method for secure, low-resistance contact
• Suitable for indoor and outdoor use
• Complies with EN 62561-1 for lightning protection system components

Specifications

• Product type: Multi-purpose clamp
• Material: Hot-dip galvanized steel
• Conductor type: Round 8-10 mm, flat up to 30 mm width, 3.5-10 mm thickness
• Connection method: Screw
• Mounting type: Clamp-on / surface mounting
• Corrosion protection: Hot-dip galvanized
• Standard compliance: EN 62561-1
• Usage environment: Indoor and outdoor

Tips

Ensure the clamp is tightened to the recommended torque to maintain low contact resistance. For outdoor installations, the hot-dip galvanized coating provides long-term protection against corrosion.