https://www.phoenixcontact.com/us/produkte/2838254
Surge protection connector - PT 2X2-12DC-ST - 2838254
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PT protective connector with protective circuit for two 2-wire floating signal circuits. 12 V DC nominal
voltage. HART-compatible.
The illustration shows version PT
2x2- 5DC-ST
Why buy this product
Plugs can be checked with CHECKMASTER
Installed in conjunction with the PT 2x2…-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 separate floating signal circuits
Impedance-neutral disconnection of plug for test and maintenance purposes
Key commercial data
Packing unit
Minimum order quantity
Catalog page
GTIN
Custom tariff number
Country of origin
85363010
GERMANY
1
1
Page 92 (TT-2011)
Technical data
General
Housing material
Inflammability class according to UL 94
Color
Standards for air and creepage distances
Standards for air and creepage distances
Total surge current (8/20) µs
Ambient temperature (operation)
PA 6.6
V0
black
VDE 0110-1
IEC 60664-1
20 kA
-40 °C ... 85 °C
05.10.2012 Page 1 / 7
https://www.phoenixcontact.com/us/produkte/2838254
Surge protection connector - PT 2X2-12DC-ST - 2838254
Technical data
General
Mounting type
Design
Degree of protection
Direction of action
Arrester can be tested with CHECKMASTER from software
version:
Width
Height
Depth
Pitch unit
On base element
DIN rail module, two-section, divisible
IP20
Line-Line & Line-Signal Ground/Shield & optional Signal Ground/
Shield-Earth Ground
From SW rev. 1.00
17.7 mm
45 mm
52 mm
1 Div.
Protective circuit
IEC category
IEC category
IEC category
IEC category
VDE requirement class
VDE requirement class
VDE requirement class
VDE requirement class
Nominal voltage UN
Maximum continuous operating voltage UC
Maximum continuous operating voltage UC
Maximum continuous voltage UC (wire-ground)
Maximum continuous voltage UC (wire-ground)
Nominal current IN
Operating effective current IC at UC
Ground conductor current IPE
Ground conductor current IPE
Nominal discharge surge current In (8/20) µs (Core-Core)
Nominal discharge surge current In (8/20) µs (Core-Earth)
Total surge current (8/20) µs
Max. discharge surge current Imax (8/20) µs maximum (Core-
Core)
Max. discharge surge current Imax (8/20) µs maximum (Core-
Earth)
Lightning test current (10/350) µs, peak value limp
Output voltage limitation at 1 kV/µs (Core-Core) spike
Output voltage limitation at 1 kV/µs (Core-Earth) spike
Output voltage limitation at 1 kV/µs (Core-Core) static
Output voltage limitation (10/700) µs (Core-Earth)
Output voltage limitation (10/700) µs (Core-GND)
Residual voltage at In, (conductor-conductor)
C1
C2
C3
D1
C1
C2
C3
D1
12 V DC
13 V DC
9 V AC
13 V DC
9 V AC
450 mA (45°C)
≤ 5 µA
≤ 1 µA (BE: 2x2+F)
≤ 4 µA
10 kA
10 kA
20 kA
10 kA
10 kA
2.5 kA (per path)
≤ 20 V
≤ 450 V
≤ 18 V
≤ 450 V
≤ 18 V
≤ 18 V
05.10.2012 Page 2 / 7
https://www.phoenixcontact.com/us/produkte/2838254
Surge protection connector - PT 2X2-12DC-ST - 2838254
Technical data
Protective circuit
Residual voltage at In, (conductor-GND)
Residual voltage with Ian (10/1000)µs (conductor-conductor)
Response time tA (Core-Core)
Response time tA (Core-Earth)
Input attenuation aE, sym.
Cut-off frequency fg (3 dB), sym. in 50 Ohm system
Capacity (Core-Core)
Resistance in series
Resistance in series
Message: Surge protection fault
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth)
≤ 450 V
≤ 23 V
≤ 1 ns
≤ 100 ns
0.5 dB (≤ 600 kHz)
Typ. 3 MHz
3 nF
2.2 Ω (Path 1-2/5-6)
2.2 Ω (Path 7-8, 11-12)
None
C2 (10 kV/5 kA)
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
Connection, protective circuit
Standards/regulations
Standards/regulations
Standards/regulations
IEC 61643-21
DIN EN 61643-21
UL 497B
Classifications
eclass
eCl@ss 4.0
eCl@ss 4.1
eCl@ss 5.0
eCl@ss 5.1
eCl@ss 6.0
eCl@ss 7.0
27140201
27130801
27130801
27130801
27130807
27130807
05.10.2012 Page 3 / 7
https://www.phoenixcontact.com/us/produkte/2838254
Surge protection connector - PT 2X2-12DC-ST - 2838254
Classifications
etim
ETIM 2.0
ETIM 3.0
ETIM 4.0
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 / ATEX / cULus Recognized
Approvals submitted
Approval details
UL Listed
Nominal current IN
Nominal voltage UN
0.45 A
12 V
GOST
Accessories
Accessories
Marking
05.10.2012 Page 4 / 7
https://www.phoenixcontact.com/us/produkte/2838254
Surge protection connector - PT 2X2-12DC-ST - 2838254
Accessories
Marker pen - X-PEN 0,35 - 0811228
Marker pen without ink cartridge, for manual labeling of markers, labeling extremely wipe-proof, line
thickness 0.35 mm
Zack Marker strip, flat - ZBF 5:UNBEDRUCKT - 0808642
Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat
marker groove, For terminal block width: 5 mm, Lettering field: 5.1 x 5.2 mm
Zack Marker strip, flat - ZBF 5/WH-100:UNBEDRUCKT - 0808668
Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat
marker groove, For terminal block width: 5 mm, Lettering field: 5.15 x 5.15 mm
Zack Marker strip, flat - ZBF 5,LGS:FORTL.ZAHLEN - 0808671
Zack Marker strip, flat, Strip, white, Labeled, Printed horizontally: Consecutive numbers 1 - 10, 11 - 20, etc.
up to 491 - 500, Mounting type: Snap into flat marker groove, For terminal block width: 5 mm, Lettering field:
5.15 x 5.15 mm
Zack Marker strip, flat - ZBF 5,LGS:GERADE ZAHLEN - 0810821
Zack Marker strip, flat, Strip, white, Labeled, Printed horizontally: Consecutive numbers 2 - 20, 22 - 40, etc.
up to 82 - 100, Mounting type: Snap into flat marker groove, For terminal block width: 5 mm, Lettering field:
5.15 x 5.15 mm
Zack Marker strip, flat - ZBF 5,LGS:UNGERADE ZAHLEN - 0810863
Zack Marker strip, flat, Strip, white, Labeled, Printed horizontally: Odd numbers 1 - 19, 21 - 39, etc. up to
81 - 99, Mounting type: Snap into flat marker groove, For terminal block width: 5 mm, Lettering field: 5.15 x
5.15 mm
05.10.2012 Page 5 / 7
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