توضیحات
Class B+C -T1+T2: اين ارستر بيشترين قدرت قطع را در بين ارسترهاي شركت فونيكس كنتاكت دارا مي باشد .در مواردي كه ارسترهاي كلاس B وC در يك شبكه نياز باشند؛ ميتوان از ارستر تركيبي به جاي آنها استفاده نمود كه باعث صرفه جويي در وقت و هزينه مي گردد.
ارستر کلاس b+c فونیکس کنتاکت کد2910550 با قدرت قطع 50ka دارای کنتاکت آلارم
Lightning/surge arrester type 1/2 – VAL-MS-EE-T1/T2-3+1-335-FM
Universal varistor-based plug-in lightning/surge arrester for 3-phase power supply networks with separate N and PE (5-conductor system: L1, L2, L3, N, PE), for Lightning Protection Levels III and IV, with remote indication contact.
Mode of protection L-N
L-PE
N-PE
Direction of action 3L-N & N-PE
Nominal voltage UN 240/415 V AC (TN-S)
240/415 V AC (TT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous operating voltage UC (L-N) 335 V AC
Maximum continuous operating voltage UC (L-PE) 335 V AC
Maximum continuous operating voltage UC (N-PE) 264 V AC
Rated load current IL 80 A
Residual current IPE ≤ 5 µA
Standby power consumption PC ≤ 810 mVA
Nominal discharge current In (8/20) µs (L-N) 12.5 kA
Nominal discharge current In (8/20) µs (L-PE) 12.5 kA
Nominal discharge current In (8/20) µs (N-PE) 50 kA
Maximum discharge current Imax (8/20) µs 50 kA
Impulse discharge current (10/350) µs (L-N), charge 6.25 As
Impulse discharge current (10/350) µs (L-N), specific energy 39 kJ/Ω
Impulse discharge current (10/350) µs (L-N), peak current value Iimp 12.5 kA
Impulse discharge current (10/350) µs (L-PE), charge 6.25 As
Impulse discharge current (10/350) µs (L-PE), specific energy 39 kJ/Ω
Impulse discharge current (10/350) µs (L-PE), peak current value Iimp 12.5 kA
Impulse discharge current (10/350) µs (N-PE), charge 25 As
Impulse discharge current (10/350) µs (N-PE), specific energy 625 kJ/Ω
Impulse discharge current (10/350) µs (N-PE), peak current value Iimp 50 kA
Total discharge current Itotal (8/20) µs 50 kA
Total discharge current Itotal (10/350) µs 50 kA
Follow current interrupt rating Ifi (N-PE) 100 A
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up (L-N) ≤ 1.2 kV
≤ 1.6 kV (30 kA – 8/20 µs)
Voltage protection level Up (L-PE) ≤ 2 kV
Voltage protection level Up (N-PE) ≤ 1.7 kV
Residual voltage Ures (L-N) ≤ 1.2 kV (at In)
≤ 1.1 kV (at 10 kA)
≤ 1 kV (at 5 kA)
≤ 0.9 kV (at 3 kA)
Residual voltage Ures (L-PE) ≤ 2 kV (at In)
≤ 1.5 kV (at 10 kA)
≤ 1.2 kV (at 5 kA)
≤ 1.1 kV (at 3 kA)
Residual voltage Ures (N-PE) ≤ 0.6 kV (at In)
≤ 0.5 kV (at 10 kA)
≤ 0.5 kV (at 5 kA)
≤ 0.4 kV (at 3 kA)
TOV behavior at UT (L-N) 415 V AC (5 s / withstand mode)
457 V AC (120 min / safe failure mode)
TOV behavior at UT (N-PE) 1200 V AC (200 ms / withstand mode)
Response time tA (L-N) ≤ 25 ns
Response time tA (L-PE) ≤ 100 ns
Response time tA (N-PE) ≤ 100 ns
Max. backup fuse with V-type through wiring 80 A (gG – 16 mm²)
Max. backup fuse with branch wiring 160 A (gG)
