• Surge arrester T1+T2 12.5/60 3P+N
• ON300 surge arresters are used to protect other electrical devices and equipment against the effects of:
• •direct lightning strikes – type 1 arresters (formerly class B),
• •indirect lightning strikes and switching processes – type 2 arresters (formerly class C).
• The offer of ON 300 surge arresters compliant with the latest requirements of the IEC/EN 61643-11 standard has been divided into three groups:
• •standard arresters (type 1, type 2 and type 1+2),
• •block arresters with a rail for wireless connection of the protection (type 2),
• •arresters with internal protection dedicated to small commercial and residential facilities (type 2).
• •Thanks to the two-part construction of the arrester (body + inserts with color status signaling), in the event of activation of the protection, it is not necessary to replace the entire device.
• With remote signaling contact: yes
• Type 2: yes
• Highest continuous operating voltage AC: 320
• Integrated back-up fuse: no
• Nominal discharge current - peak value (8/20): 25