Type 2 surge arrester ATSHIELD 400T

type 1for power suppliesfor transient current protection

Protector for TT type power supply lines. Pluggable. 4-pole. Type 1 + 2. Uc = 460 VAC (L-L); 275 VAC (L-N, L-GND). In = 40 kA. Iimp(10/350) = 25 kA. Up = 1,5 kV. Size 8 DIN. Tested and certified as a protector Type 1 + 2 according to the standard EN IEC 61643-11. Suitable for Categories I, II, III, IV according to ITC-BT-23. With removable modules for replacement in the event of a breakdown or fault. Compact multi-pole protection. Containing zinc oxide varistors and gas discharge tubes able to withstand very high currents. Coordinable with protectors of series ATSHOCK, ATSUB and ATCOVER. Short response time. Does not produce deflagration. Their activation causes no interruption in power supply. Thermodynamic control device. Double connection in order to facilitate wiring (limited to 63 A). ATSHIELD series protectors have been tested in official and independent laboratories, obtaining their characteristics according to relevant standards.