Type "Maximum discharge current (8/20μs) 
 Imax (kA) " 

 Unipolar 
 OVR BT2 20-320 P 20 
 OVR BT2 20-440 P 20 
 OVR BT2 40-320 P 40 
 OVR BT2 40-440 P 40 
 OVR BT2 70-320s P 70 
 OVR BT2 70-440s P 70 
 OVR BT2 100-440s P TS 100 
 OVR BT2 100 NP 100 
 OVR BT2 120-440s P TS 120 
 Single pole + neutral 
 OVR BT2 1N-20-320 P 20 
 OVR BT2 1N-20-320 P TS 20 
 OVR BT2 1N-40-320 P 40 
 OVR BT2 1N-40-320 P TS 40 
 OVR BT2 1N-70-320s P 70 
 OVR BT2 1N-70-320s P TS 70 
 OVR BT2 1N-70-440s P TS 70 
 Three-pole + neutral 
 OVR BT2 3N-20-320 P 20 
 OVR BT2 3N-20-320 P TS 20 
 OVR BT2 3N-20-440 P 20 
 OVR BT2 3N-20-440 P TS 20 
 OVR BT2 3N-40-320 P 40 
 OVR BT2 3N-40-320 P TS 40 
 OVR BT2 3N-40-440 P TS 40 
 OVR BT2 3N-70-320s P TS 70 
 OVR BT2 3N-70-440s P TS 70 

 OVR BT2 Type surge protector Core 
 Type "Maximum discharge current (8/20μs) 
 Imax (kA) " 

 OVR BT2 20-320 C 20 
 OVR BT2 20-440 C 20 
 OVR BT2 40-320 C 40 
 OVR BT2 40-440 C 40 
 OVR BT2 70-320s C 70 
 OVR BT2 70-440s C 70 
 OVR BT2 70 NC 70 
 OVR BT2 100-440s C 100 
 OVR BT2 100 NC 100 
 OVR BT2 120-440s C 120 

 OVR PV surge protector - for the protection of solar photovoltaic systems 
 Type "Maximum discharge current (8/20μs) 
 Imax (kA) " 

 Three-pole 
 OVR PV 40-600 P 40 
 OVR PV 40-600 P TS 40 
 OVR PV 40-1000 P 40 
 OVR PV 40-1000 P TS 40 
 Core 
 OVR PV 40 600 C 40 
 OVR PV 40 1000 C 40 

 OVR TC surge protector - for data transmission line and telephone line protection 
 Type "Maximum discharge current (8/20μs) 
 Imax (kA) " 

 OVR TC 6V P 10 
 OVR TC 12V P 10 
 OVR TC 24V P 10 
 OVR TC 48V P 10 
 OVR TC 200V P 10 
 OVR TC 200 FR P 10 
 Core 
 OVR TC 6V C 10 
 OVR TC 12V C 10 
 OVR TC 24V C 10 
 OVR TC 48V C 10 
 OVR TC 200V C 10 
 OVR TC 200 FR C 10 
 Base 
 Base RJ 45 / 
 Base RJ 11 /