https://www.phoenixcontact.com/us/produkte/2858878
04.10.2012Page2/6
Surge protection device-TT-ST-2PE-24DC-2858878
Technical data
General
Direction of action Line-Line & Line-Earth Ground
Width 6.2 mm
Height 100 mm
Depth 63.5 mm
Protective circuit
IEC category C1
IEC category C2
IEC category C3
IEC category D1
VDE requirement class C1
VDE requirement class C2
VDE requirement class C3
VDE requirement class D1
Nominal voltage UN 24 V DC
Maximum continuous operating voltage UC 30 V DC
Maximum continuous operating voltage UC 21 V AC
Maximum continuous voltage UC (wire-wire) 30 V DC
Maximum continuous voltage UC (wire-wire) 21 V AC
Nominal current IN 350 mA (45°C)
Operating effective current IC at UC ≤ 10 µA
Ground conductor current IPE ≤ 2 µA
Nominal discharge surge current In (8/20) µs (Core-Core) 5 kA
Nominal discharge surge current In (8/20) µs (Core-Earth) 5 kA
Total surge current (8/20) µs 10 kA
Max. discharge surge current Imax (8/20) µs maximum (Core-
Core) 5 kA
Max. discharge surge current Imax (8/20) µs maximum (Core-
Earth) 5 kA
Nominal pulse current Ian (10/1000) µs (Core-Core) 100 A
Nominal pulse current Ian (10/1000) µs (Core-Earth) 200 A (in total)
Lightning test current (10/350) µs, peak value limp 1 kA (per path)
Output voltage limitation at 1 kV/µs (Core-Core) spike ≤ 40 V
Output voltage limitation at 1 kV/µs (Core-Earth) spike ≤ 600 V
Output voltage limitation at 1 kV/µs (Core-Core) static ≤ 40 V
Output voltage limitation at 1 kV/µs (Core-Earth) static ≤ 600 V
Residual voltage at In, (conductor-conductor) ≤ 40 V
Protection level UP (Core-Core) ≤ 60 V (C2 (10 kV/5 kA))
Protection level UP (Core-Core) ≤ 40 V (stat.)
Protection level UP (Core-Earth) ≤ 600 V (C2 (10 kV/5 kA))
Response time tA (Core-Core) ≤ 1 ns
Response time tA (Core-Earth) ≤ 100 ns
Input attenuation aE, sym. Typ. 1 dB (400 kHz/50 Ω)
Input attenuation aE, sym. Typ. 0.4 dB (150 kHz/150 Ω)