+ 2 more
HLSA7-850/3+1 S IT
Article number: 27 890- Lightning impulse current and surge arresters type T1+T2 ensure the equipotential bonding, eliminate the effects of lightning current and reduce switching, induced and residual overvoltage in single-phase and three-phase IT power supply systems.
- The products consist of varistors with big discharge ability in the combination with gas discharge tube they ensure zero leakage current in the PE conductor.
- Installed at the boundaries of zones LPZ 0 – LPZ 1 and higher, closest to where the overhead line enters the building i.e. in the main distribution boards.
- Suitable for objects with considerable levels of protection LPL III and LPL IV.
- S indication specifies a version with remote monitoring.
| Test class according to EN 61643-11:2012 (IEC 61643-11:2011) | T1, T2 | |
| System | IT | |
| Number of poles | 4 | |
| Nominal line voltage | UN | 720 V |
| Maximum continuous operating voltage AC | UC | 850 V |
| Maximum discharge current (8/20) L/PE | Imax | 50 kA |
| Impulse discharge current for class I test (10/350) L/CP | Iimp | 7 kA |
| Charge (L/CP) | Q | 3.5 As |
| Specific energy for class I test (L/CP) | W/R | 12.25 kJ/Ω |
| Impulse discharge current for class I test (10/350) CP/PE | Iimp | 50 kA |
| Charge (CP/PE) | Q | 25 As |
| Specific energy for class I test (CP/PE) | W/R | 625 kJ/Ω |
| Total discharge current (10/350) L1+L2+L3+CP->PE | ITotal | 28 kA |
| Total discharge current (8/20) L1+L2+L3+CP->PE | ITotal | 100 kA |
| Nominal discharge current for class II test (8/20) L/PE | In | 25 kA |
| Nominal discharge current for class II test (8/20) CP/PE | In | 50 kA |
| Voltage protection level at In | Up | < 3.3 kV |
| Temporary overvoltage test (TOV) for tT = 5 s (L/CP) | UT | 1 045 V |
| Temporary overvoltage test (TOV) for tT = 0.2 s (L/PE) | UT | 2 000 V |
| Response time (L/CP) | tA | < 25 ns |
| Response time (CP/PE) | tA | < 100 ns |
| Maximal back-up fuse | 160 A gL/gG | |
| Short-circuit current rating at maximum back-up fuse | ISCCR | 60 kArms |
| Lightning protection zone | LPZ 0-1, LPZ 1-2, LPZ 2-3 | |
| Housing material | Polyamid PA6, UL94 V-0 | |
| Degree of protection | IP20 | |
| Operating temperature | ϑ | - 40 ÷ 70 °C |
| Minimum cross-section of connected Cu conductors accord. to HD 60364-5-53:2022 (doesn't apply to „V“ connection) for T1 | S |
6 mm² (L, N) 16 mm² (PE, PEN) |
| Minimum cross-section of connected Cu conductors accord. to HD 60364-5-53:2022 (doesn't apply to „V“ connection) for T2 | S |
2.5 mm² (L, N) 6 mm² (PE, PEN) |
| Clamp fastening range (solid conductor) | 1.5 ÷ 25 mm2 | |
| Clamp fastening range (stranded conductor) | 1.5 ÷ 16 mm2 | |
| Tightening moment | 3 | |
| Installation | On DIN rail 35 mm | |
| Modular width | 10 | |
| Operating position | Any | |
| Signalling at the device | Optic | |
| Importance of local signaling |
OK – clear target FAULT – red target |
|
| Remote signalling | Yes | |
| Potential free signal contact (S) (recommended cross-section of remote monitoring max. 1 mm2) | AC: 250 V / 1.5 A, DC: 250 V / 0.1 A | |
| Modular design | No | |
| Lifetime | > 100 000 h |