https://www.phoenixcontact.com/us/products/2801257
09/10/2014Page2/5
Surge protection device-PT-IQ-1X2-48DC-PT-2801257
Technical data
General
Direction of action Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-
Earth Ground
Protective circuit
IEC test classification C1
C2
C3
D1
Nominal voltage UN48 V DC
Maximum continuous operating voltage UC53 V DC
37 V AC
Nominal current IN300 mA (up to 70°C)
Operating effective current IC at UC≤ 5 µA (per system)
Residual current IPE ≤ 2 µA (per system)
Nominal discharge current In (8/20) µs (Core-Core) 10 kA
Nominal discharge current In (8/20) µs (Core-Earth) 10 kA
Impulse discharge current (10/350)˽µs, peak value limp 2.5 kA
Voltage protection level UP (Core-Core) ≤ 100 V (C1 - 1 kV/500 A)
≤ 150 V (C2 - 10 kV / 5 kA)
≤ 90 V (C3 - 25 A)
Voltage protection level UP (Core-Earth) ≤ 600 V (C1 - 1 kV/500 A)
≤ 750 V (C2 - 10 kV / 5 kA)
≤ 700 V (C3 - 25 A)
Voltage protection level UP static (core-ground) ≤ 60 V (C2 - 10 kV / 5 kA)
≤ 40 V (C3 - 25 A)
Response time tA (Core-Core) ≤ 1 ns
Response time tA (Core-Earth) ≤ 100 ns
Input attenuation aE, sym. typ. 0.3 dB (≤ 450 kHz/150 Ω)
Cut-off frequency fg (3 dB), sym. in 150 Ohm system typ. 1.9 MHz
Capacity (Core-Core) typ. 1.5 nF
Resistance in series 1.2 Ω ±5 % (per path)
Surge protection fault message Optical, multi-stage
Max. required back-up fuse 315 mA (FF)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C3 - 25 A
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C2 - 10 kA
D1 - 2,5 kA
C3 - 25 A