Type 1 surge arrester ATSHIELD TT 400T

for power suppliesfor transient current protectioncompact

Protector for TT type power supply lines. 4-pole. Type 1 + 2. Uc = 460 VAC (L-L); 275 VAC (L-N, L-GND). In = 40 kA. Iimp(10/350) = 30 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. • Double connection in order to facilitate wiring (limited to 63 A). • 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. • Voltage-free contact for the remote control. • ATSHIELD series protectors have been tested in official and independent laboratories, obtaining their characteristics according to relevant standards.