General
Number of poles	4
Lightning impulse current (10/350 µs)	12.5 kA
Max. continuous voltage AC	255 V
Nominal voltage AC	400 V
Max. PV-voltage	0 V
Voltage protection level	1.5 kV
Voltage protection level L-N	1.5 kV
Voltage protection level L-PE	1.5 kV
Voltage protection level N-PE	1.5 kV
Follow current extinguishing capability	25 kA
Specific energy (W/R)	15 kJ/Ohm
Max. conductor cross section solid (solid, stranded)	50 mm²
Max. conductor cross section flexible (fine-strand)	35 mm²
Mounting method	Busbar
Construction size	4 modular spacing
Signalling at the device	Optic
Test class	Type 1
Degree of protection (IP)	IP20
System configuration DC
System configuration IT
System configuration TN
System configuration TN-C
System configuration TN-C-S
System configuration TN-S
System configuration TT
System configuration other
Remote signalling
Integrated backup fuse
Energy-coordinated protection effect with regard to the terminal equipment

Combined arrester T1+T2+T3 4P Iimp 12.5kA TT+TNS 315A. Combined arrester for use in the pre-meter area in accordance with VDE-AR-N 4100. Arrester type 1 + type 2 in accordance with DIN EN 61643-11 (VDE 0675-6-11). Follow-current-free, encapsulated spark gap technology. Can be mounted directly on 40 mm busbar system. Compatible with feed adapter and busbar box for voltage tapping for RfZ and APZ. Optional remote signaling contact can be retrofitted.