Surge Protection, Type 1, IT, Malmbergs 5271293

Description

Rough protection should be used when, for example, you have overhead lines, in rural areas or if the building is equipped with lightning conductors. Coarse protection is installed in the main distribution center, meter center, etc. and before intermediate protection. Cable distance between rough protection and intermediate protection must exceed 10 meters for adequate protection. Installed parallel to incoming line. Triggered protection by visual indication.

Specifications

• Connection : PZ2
• Connection area: 4-35 mm²
• Width: 108 mm
• Operating temperature: -40°C - +80°C
• Alarm relay : No
• Max. discharge capacity : 160kA, 8/20μs
• Max. insurance : 500A gL/gG
• Max. continuous operating voltage: 385V
• Rated discharge current : 50kA, 8/20μs
• Number of poles: 3
• Response time : <100ns
• Residual voltage : <2.5 kV
• System grounding : IT
• Test class : 1 (EN 61643-11)
• Tightening torque: 3.5Nm