https://www.phoenixcontact.com/pi/products/2801248
08/19/2018Page2/5
Surge protection device-PT-IQ-2X1+F-24DC-PT-2801248
Technical data
General
Direction of action
Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-
Earth Ground
Additional descriptions
Note
Remote signaling as well as the power supply of the DIN rail connector
are established by snapping the module into place on the DIN rail
connector.
Protective circuit
IEC test classification C1
C2
C3
D1
Nominal voltage U
N
24 V DC
Maximum continuous voltage U
C
30 V DC
21 V AC
Rated current 1000 mA (40 °C)
Operating effective current I
C
at U
C
≤ 1 mA (per path)
Residual current I
PE
≤ 1 µA
Nominal discharge current I
n
(8/20) µs (line-earth)
10 kA
Nominal discharge current I
n
(8/20) µs (core-signal ground)
10 kA
Pulse discharge current I
imp
(10/350)µs (line-earth)
2.5 kA
Total discharge current I
total
(8/20)µs
20 kA
Voltage protection level U
p
(line-earth)
≤ 800 V (C1 - 1 kV/500 A)
≤ 950 V (C2 - 10 kV / 5 kA)
≤ 780 V (C3 - 25 A)
≤ 950 V (C3 - 50 A)
Voltage protection level U
p
(line-signalground)
≤ 75 V (C1 - 1 kV/500 A)
≤ 135 V (C2 - 10 kV / 5 kA)
≤ 55 V (C3 - 25 A)
≤ 60 V (C3 - 50 A)
Voltage protection level U
p
static (line-earth)
≤ 90 V (C3 - 25 A)
≤ 90 V (C3 - 50 A)
Response time tA (line-signalground) ≤ 1 ns
Response time t
A
(line-earth)
≤ 100 ns
Input attenuation aE, asym. typ. 0.3 dB (≤ 300 kHz / 150 Ω)
Cut-off frequency fg (3 dB), asym. (GND) in 150 Ohm system typ. 1.1 MHz
Capacity (line-signalground) typ. 2 nF
Resistance in series 1.2 Ω ±5 %
Surge protection fault message Optical, multi-stage
Max. required back-up fuse 1 A (FF)
Impulse durability (line-earth) C1 - 1 kV/500 A
