https://www.phoenixcontact.com/pi/products/2804856
Surge protection plug - PT 4X1-48AC-ST - 2804856
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Protective plug PT with protective circuit for 4 conductors of signal circuits grounded on one side. Nominal
voltage: 48 V AC
Your advantages
Plugs can be checked with CHECKMASTER
Installed in conjunction with the PT 4x1...-BE base element
Maximum ease of maintenance thanks to the two-piece design
Base element remains an integral part of the installation
Consistent plug-in signal circuit protection
Protection for four conductors with common reference potential
Impedance-neutral disconnection of plug for test and maintenance purposes
Key Commercial Data
Packing unit
GTIN
GTIN
4046356339865
10 pc
Technical data
Dimensions
Height
Width
Depth
Horizontal pitch
Complete module height
Complete module width
Complete module depth
45 mm
17.7 mm
52 mm
1 Div.
90 mm
17.7 mm
65.5 mm
Ambient conditions
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https://www.phoenixcontact.com/pi/products/2804856
Surge protection plug - PT 4X1-48AC-ST - 2804856
Technical data
Ambient conditions
Ambient temperature (operation)
Ambient temperature (storage/transport)
Altitude
Degree of protection
-40 °C ... 85 °C
-40 °C ... 85 °C
≤ 2000 m (amsl (above mean sea level))
IP20
General
Housing material
Flammability rating according to UL 94
Color
Mounting type
Type
Direction of action
Arrester can be tested with CHECKMASTER from software version:
PA 6.6
V-0
jet black RAL 9005
on base element
Male
Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-
Earth Ground
From SW rev. 3.17
Protective circuit
IEC test classification
C1
C2
C3
D1
Nominal voltage U
N
Maximum continuous voltage U
C
Rated current
Operating effective current I
C
at U
C
Residual current I
PE
Nominal discharge current I
n
(8/20) µs (line-earth)
Pulse discharge current I
imp
(10/350) µs
Total discharge current I
total
(8/20) µs
Max. discharge current I
max
(8/20) µs maximum (line-earth)
Nominal pulse current Ian (10/1000) µs (line-earth)
Output voltage limitation at 1 kV/µs (line-earth) spike
Output voltage limitation at 1 kV/µs (line-earth) static
Residual voltage at I
n
(line-earth)
Residual voltage with Ian (10/1000) µs (line-signalground)
Voltage protection level U
p
(line-earth)
Voltage protection level U
p
static (line-earth)
Response time tA (line-signalground)
48 V AC
77 V DC
55 V AC
300 mA (45°C)
≤ 5 µA
≤ 1 µA (with PT 4X1+F-BE)
≤ 20 µA (Directly grounded)
10 kA
2.5 kA (per path)
20 kA
10 kA (per path)
20 kA (in total)
12 A
≤ 110 V (with PT 4X1-BE)
≤ 600 V (with PT 4X1+F-BE)
≤ 50 V (with PT 4X1+F-BE)
≤ 160 V (spike)
≤ 110 V (static)
≤ 125 V
≤ 150 V (C2 - 10 kV / 5 kA with PT 4X1-BE)
≤ 40 V (C2 - 10 kV / 5 kA with PT 4X1-BE)
≤ 1 ns (with PT 4X1+F-BE)
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https://www.phoenixcontact.com/pi/products/2804856
Surge protection plug - PT 4X1-48AC-ST - 2804856
Technical data
Protective circuit
Response time t
A
(line-earth)
Input attenuation aE, asym.
≤ 1 ns (with PT 4X1-BE)
≤ 100 ns (with PT 4X1+F-BE)
0.5 dB (≤ 2.5 MHz / 50 Ω)
0.2 dB (≤ 0.5 MHz / 150 Ω)
0.1 dB (≤ 0.1 MHz / 600 Ω)
Cut-off frequency fg (3 dB), asym. (PE) in 50 Ohm system
Cut-off frequency fg (3 dB), asym. (PE) in 150 Ohm system
Cut-off frequency fg (3 dB), asym. (PE) in 600 Ohm system
Capacity (line-earth)
Resistance in series
Surge protection fault message
Max. required back-up fuse
Impulse durability (line-earth)
typ. 10 MHz
typ. 3.5 MHz
typ. 900 kHz
typ. 400 pF (with PT 4X1-BE)
typ. 2 pF (with PT 4X1+F-BE)
4.7 Ω ±10 %
none
315 mA (T)
C2 - 10 kV/5 kA
D1 - 2.5 kA
Connection data
Connection method
Screw thread
Tightening torque
Stripping length
Conductor cross section flexible
Conductor cross section solid
Conductor cross section AWG
Screw connection (in connection with the base element)
M3
0.5 Nm
8 mm
0.2 mm² ... 2.5 mm²
0.2 mm² ... 4 mm²
24 ... 12
Standards and Regulations
Standards/specifications
IEC 61643-21 2000
Drawings
Pictogram
U
Diagram
300
I [mA]
200
100
0
30
40
50
60
70
80
T [°C]
90
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https://www.phoenixcontact.com/pi/products/2804856
Surge protection plug - PT 4X1-48AC-ST - 2804856
Dimensional drawing
90
17,7
1
Circuit diagram
2
5
7
6
8
65,5
IN
51,5
11
12
OUT
9
3
*
10
4
The figure shows the complete module consisting of a base element and
connector
Approvals
Approvals
Approvals
EAC
Ex Approvals
Approval details
EAC
RU C-
DE.A*30.B01561
Phoenix Contact 2018 © - all rights reserved
http://www.phoenixcontact.com
PHOENIX CONTACT GmbH & Co. KG
Flachsmarktstr. 8
32825 Blomberg
Germany
Tel. +49 5235 300
Fax +49 5235 3 41200
http://www.phoenixcontact.com
11/28/2018 Page 4 / 4
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