https://www.phoenixcontact.com/us/products/2856090
Surge protection plug - PT 2X1-12AC-ST - 2856090
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Surge protection plug for the base element, coarse and fine protection for two signal wires with common
reference potential, common mode voltage coarse protection to ground. Design: 12 V AC
The illustration shows the version PT
2x1- 5 DC-ST
Product Features
Plugs can be checked with CHECKMASTER
Installed in conjunction with the PT 2x1...-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 two conductors with common reference potential
Impedance-neutral disconnection of plug for test and maintenance purposes
Packing unit
1 pc
20.62 GRM
85363010
Germany
Key commercial data
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
Technical data
Dimensions
Height
Width
Depth
Horizontal pitch
45 mm
17.7 mm
52 mm
1 Div.
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https://www.phoenixcontact.com/us/products/2856090
Surge protection plug - PT 2X1-12AC-ST - 2856090
Technical data
Dimensions
Complete module height
Complete module width
Complete module depth
90 mm
17.7 mm
65.5 mm
Ambient conditions
Ambient temperature (operation)
Degree of protection
-40 °C ... 85 °C
IP20
General
Housing material
Inflammability class according to UL 94
Color
Standards for air and creepage distances
Mounting type
Type
Direction of action
Arrester can be tested with CHECKMASTER from software version:
PA 6.6
V0
black
VDE 0110-1
IEC 60664-1
On base element
DIN rail module, two-section, divisible
Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-
Earth Ground
From SW rev. 1.00
Protective circuit
IEC test classification
C1
C2
C3
D1
VDE requirement class
C1
C2
C3
D1
Nominal voltage U
N
Maximum continuous operating voltage U
C
Maximum continuous voltage U
C
(wire-ground)
Nominal current I
N
Operating effective current I
C
at U
C
Residual current I
PE
Nominal discharge current I
n
(8/20) µs (Core-Earth)
12 V AC
18 V DC
13 V AC
18 V DC
13 V AC
300 mA (45°C)
≤ 5 µA
≤ 1 µA (BE: 2x1+F)
≤ 10 µA (Directly grounded)
10 kA
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https://www.phoenixcontact.com/us/products/2856090
Surge protection plug - PT 2X1-12AC-ST - 2856090
Technical data
Protective circuit
Total surge current (8/20) µs
Max. discharge current I
max
(8/20) µs maximum (Core-Earth)
Nominal pulse current Ian (10/1000) µs (Core-Earth)
Impulse discharge current (10/350)½µs, peak value l
imp
Output voltage limitation at 1 kV/µs (Core-Earth) spike
Output voltage limitation at 1 kV/µs (Core-Earth) static
Residual voltage at I
n
, (conductor-ground)
Voltage protection level U
P
(Core-Earth)
Response time tA (Core-Earth)
Input attenuation aE, asym.
Cut-off frequency fg (3 dB), asym. (PE) in 50 Ohm system
Capacity (Core-Earth)
Resistance in series
Surge protection fault message
Max. required back-up fuse
Surge current resistance (conductor-ground)
20 kA
10 kA
49 A
2.5 kA (per path)
≤ 30 V
≤ 25 V
≤ 31 V
≤ 70 V (C2 (10 kV/5 kA))
≤ 1 ns
0.5 dB (≤ 700 kHz)
typ. 4 MHz
1.3 nF
4.7 Ω (1-2/5-6/7-8/11-12)
None
315 mA (e.g. T ( IEC 127-2/III))
C2 - 10 kV/5 kA
D1 - 2,5 kA
Connection data
Connection method
Connection type IN
Connection type OUT
Screw thread
Tightening torque
Stripping length
Conductor cross section stranded min.
Conductor cross section stranded max.
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section AWG/kcmil min.
Conductor cross section AWG/kcmil max
Screw connection (in connection with the base element)
PLUGTRAB plug-in system
PLUGTRAB plug-in system
M3
0.8 Nm
8 mm
0.2 mm²
2.5 mm²
0.2 mm²
4 mm²
24
12
Standards and Regulations
Standards/regulations
IEC 61643-21
DIN EN 61643-21
UL 497B
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https://www.phoenixcontact.com/us/products/2856090
Surge protection plug - PT 2X1-12AC-ST - 2856090
Classifications
eCl@ss
eCl@ss 4.0
eCl@ss 4.1
eCl@ss 5.0
eCl@ss 5.1
eCl@ss 6.0
eCl@ss 7.0
eCl@ss 8.0
27140201
27130801
27130801
27130801
27130807
27130807
27130807
ETIM
ETIM 2.0
ETIM 3.0
ETIM 4.0
ETIM 5.0
EC000943
EC000943
EC000943
EC000943
UNSPSC
UNSPSC 6.01
UNSPSC 7.0901
UNSPSC 11
UNSPSC 12.01
UNSPSC 13.2
30212010
39121610
39121610
39121610
39121620
Approvals
Approvals
Approvals
UL Listed / GOST
Ex Approvals
UL Listed / cUL Listed / cULus Listed
Approvals submitted
Approval details
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https://www.phoenixcontact.com/us/products/2856090
Surge protection plug - PT 2X1-12AC-ST - 2856090
Approvals
UL Listed
Nominal current IN
Nominal voltage UN
0.3 A
17 V
GOST
Drawings
Dimensioned drawing
90
44,8
7
8
Circuit diagram
11
12
IN
9
OUT
65,5
3
*
10
4
The figure shows the complete module consisting of a base element and
connector
51,5
10/20/2014 Page 5 / 6
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