Flyer - T1SP Series Type 1/2 Class I/II - Wiring

Type 1 & 21 surge arresters designed for use on the boundary between LPZs 0 & 12 in structures using TNS and TT earthing systems.

The T1SP1/12.5/25/230R (SIngle Phase) & T1SP3/12.5/50/230R (Three Phase) are designed for use in structures of LPL II3, such as industrial & administration buildings, schools, supermarkets & cathedrals. The device should be fitted as close as possible to the structures mains entry point.