https://www.phoenixcontact.com/us/products/2839541
10/30/2014Page2/4
Surge protection device-CF-UB-280DC-SB-SET-2839541
Technical data
Protective circuit
IEC test classification C2
C3
D1
VDE requirement class C2
C3
D1
Maximum continuous operating voltage UC280 V DC
195 V AC
Maximum continuous voltage UC (wire-ground) 280 V DC
195 V AC
Nominal current IN5 A (25 °C)
Operating effective current IC at UC≤ 1 µA
Nominal discharge current In (8/20) µs (Core-Earth) 20 kA
Nominal discharge current In (8/20) µs (Core-Shield) 20 kA
Total surge current (8/20) µs 20 kA
Total surge current (10/350) µs 2.5 kA
Max. discharge current Imax (8/20) µs maximum (Core-Shield) 20 kA
Nominal pulse current Ian (10/1000) µs (Core-Shield) 100 A
Output voltage limitation at 1 kV/µs (Core-Earth) spike ≤ 900 V
Output voltage limitation at 1 kV/µs (Core-Shield) spike ≤ 900 V
Voltage protection level UP (Core-Earth) ≤ 1.1 kV (C2 (10 kV/5 kA))
≤ 900 V (C1 - 1 kV/500 A)
≤ 1 kV (C3 - 25 A)
Voltage protection level UP (Core-Shield) ≤ 1.1 kV (C2 (10 kV/5 kA))
900 V (C1 - 1 kV/500 A)
≤ 1 kV (C3 - 25 A)
Response time tA (Core-Earth) ≤ 100 ns
Response time tA (Core-GND) ≤ 100 ns
Cut-off frequency fg (3 dB), asym. (shield) in 50 Ohm system > 2 GHz
Permissible HF power Pmax at VSWR = xx (50 ohm system) 700 W (VSWR = 1.1)
200 W (VSWR = ∞)
Capacity (Core-Earth) typ. 1.5 pF
Capacity asymmetrical (shield) typ. 1.5 pF
Surge current resistance (conductor-ground) C1 - 1 kV/500 A
C2 - 10 kV/5 kA
C3 - 100 A
D1 - 2,5 kA