For lightning protection equipotential bonding in 400 V TN-C systems e. g. Wind generator protection
- Remote signalling contact: break contact
- Combined Arresters Type 1+2 (Class I+II)
- Test standard: IEC 61643-11 / EN 61643-11
- Single pole combined arrester type 1 + 2
- New developed ceramic isolating spark gap
- Low protection level
- High self-extinguishing capability without tripping fuses
- EAC certification
IEC category | Type 1 + 2 / class I+II |
Nominal voltage ACUN | 400/690 V~ |
Max. continuous operating voltage AC (50/60 Hz) Uc | 440 V~ |
Insulation resistanceRisol | > 10 GΩ |
Protection level at 100% lightn. imp. sparkover voltage (1.2/50µs)Up | 2.5 kV |
Protection levelUp | ≤ 2,5 kV |
Response timetA | 100 ns |
Lightning impulse current (10/350 µs) totalItotal | 50 kA |
Lightning impulse current (10/350 µs) L-N/N-PE/L-PENIimp | - / 50 / - kA |
Follow-on current extinguishing capability at Uc (50/60 Hz)Ifi | 10 kA |
Additional Information
Short-circuit withstand capability at max. back-up fuseISCCR | 50 kAeff |
Max. acceptable back-up fuse F2 (spur wiring) | 250 A gG |
Max. acceptable back-up fuse F1 (serial wiring) | 125 A gG |
Operating temperature rangeTU | -40 - +80 °C |
Max. conductor cross section | 50 mm² stranded/35 mm² flexible |
Recommended conductor cross section | 25 mm² |
Max. connection torque for terminals | 4,0 Nm |
Enclosure material / colour | polycarbonate (halogen-free) UL 94-V0 / yellow |
FM contact / contact type | break contact |
Max. locking torque FM terminals | 0,25 Nm |
Switching capacity FM | 250 V/2 A |
Degree of protection (IEC EN 60529) | IP 20 |
Mounting on | 35 mm DIN rail (DIN EN 60715 ) |
Power supply system | between L and PE |
Dimension (DIN 43880) | 2 TE |