https://www.phoenixcontact.com/us/products/2905421
01/05/2020Page3/13
Combination type 1/2 protective device-FLT-SEC-P-T1-3S-350/25-
FM-2905421
Technical data
Protective circuit
Nominal voltage UN240/415V AC (TN-S)
240/415V AC (TT)
Nominal frequency fN50 Hz (60Hz)
Maximum continuous voltage UC350 V AC
Rated load current IL125 A (< 55 °C)
Residual current IPE ≤ 0.01 mA
Nominal discharge current In (8/20) µs (L-N) 25 kA
Nominal discharge current In (8/20) µs (L-PE) 25 kA
Nominal discharge current In (8/20) µs (N-PE) 100 kA
Maximum discharge current Imax (8/20) µs (L-N) 50 kA
Maximum discharge current Imax (8/20) µs (L-PE) 50 kA
Impulse discharge current (10/350)µs (L-N), charge 12.5 As
Impulse discharge current (10/350) µs (L-N), specific energy 160 kJ/Ω
Impulse discharge current (10/350)µs (L-N), peak current value Iimp 25 kA
Impulse discharge current (10/350) µs (L-PE), charge 12.5 As
Impulse discharge current (10/350)µs (L-PE), specific energy 160 kJ/Ω
Impulse discharge current (10/350) µs (L-PE), peak current value Iimp 25 kA
Impulse discharge current (10/350) µs (N-PE), charge 50 As
Impulse discharge current (10/350) µs (N-PE), specific energy 2500 kJ/Ω
Impulse discharge current (10/350) µs (N-PE), peak current value Iimp 100 kA
Total discharge current Itotal (10/350)µs 100 kA
Follow current interrupt rating Ifi (L-N) 50 kA
Follow current interrupt rating Ifi (N-PE) 100 A
Short-circuit current rating ISCCR 50 kA
Voltage protection level Up (L-N) ≤ 1.5 kV
Voltage protection level Up (L-PE) ≤ 2.5 kV
Voltage protection level Up (N-PE) ≤ 1.5 kV
Residual voltage Ures (L-N) ≤ 1.5 kV (at In)
Residual voltage Ures (L-PE) ≤ 2.5 kV (at In)
Residual voltage Ures (N-PE) ≤ 1.5 kV (at In)
TOV behavior at UT (L-N) 415 V AC (5s / withstand mode)
457 V AC (120min / withstand mode)
TOV behavior at UT (N-PE) 1200 V AC (200ms / withstand mode)
Response time tA≤ 100 ns
Max. backup fuse with V-type through wiring 125 A (gG)