V25BC4AS280, 5097 19 3, 5097193, chống sét, chống sét lan truyền, Combination arrestor, 4-pole, with acoustic signalling, OBO

V25BC...: Combination arrestor set, lightning and surge arrestor Type 1+2 to VDE 0675 part 6-11 (DIN EN 61643-11) 

• Complete unit consisting of upper part and base, pre-mounted and ready for connection
• Suitable for TN network systems
• With acoustic signalling for function monitoring, signal tone can be shut down with 24 h repetition 
• Plug-in arrestor with dynamic separating device
• Visual function display
• Voltage protection level

• Enclosed, non-extinguishing zinc varistor arrestor for use in normal commercial distributor housings
• Marked connections

Application example: building with an overhead power line supply or lightning protection system, for building up lightning protection equipotential bonding.