Surge-Trap® Pluggable STPT12 Series - 25kA

STP T12 25 is the series of combined Type 1+2/Class I+II devices for discharging lightning currents and protecting against voltage surges, in accordance with EN/IEC 61643-11. Suitable as the first step of protection in incoming power supply panels and areas with exposure to the atmosphere, where installations are usually provided with an external lightning protection system.

• Lightning impulse current (10/350μs): 25kA per phase
• Maximum discharge current (8/20μs): 100kA per phase
• Nominal discharge current (8/20μs): 25kA per phase
• TNS, TNC and TT networks
• Un(L-N/L-L): 230/400V
• DIN-rail mountable, plug-in format
• Visual and remote end of life indicators
• Reversible chassis to allow cable entry from above or below
• Mechanically coded cartridges to avoid cartridge replacement errors
• Back-up fuse: 315 A gG