swibox P90 Modular System

Electrical Function Integrity
in Tunnels

Increasingly complex requirements with regard to safety equipment are creating a desire for simple and practical solutions among tunnel constructors and operators. For example, the legal requirements for the event of fire in safety-relevant systems such as safety power supplies of fire alarm or safety lighting systems require integrated functional integrity, which is tested in accordance with DIN 4102, part 12. Installation, fixing materials, cables and the connection must remain functional for a specified time in the event of fire. With junction boxes, however, only the connection is checked,...

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