HSA-440 Module
Article number: 27 194- Removable modules for surge arresters type T2+T3.
- Ensure the equipotential bonding and reduce switching, induced and residual overvoltage in single-phase and three-phase LV power supply systems.
- Installed at the boundaries of LPZ 1 – LPZ 3 into subsidiary switchboards and control panels.
- Installed at the boundaries of LPZ 1 – LPZ 3 into subsidiary switchboards and control panels.
- The products consist of varistors with big discharge ability.
- The products consist of varistors with big discharge ability.
| Test class according to EN 61643-11:2012 (IEC 61643-11:2011) | T2, T3 | |
| Maximum continuous operating voltage AC | UC | 440 V |
| Maximum discharge current (8/20) | Imax | 40 kA |
| Nominal discharge current for class II test (8/20) | In | 15 kA |
| Open circuit voltage of the combination wave generator | UOC | 6 kV |
| Voltage protection level at In | Up | < 1.8 kV |
| Spare module for | 27 188, 27 189, 27 540, 27 545, 27 541, 27 546, 27 542, 27 547, 27 543, 27 548, 27 544, 27 549 |