https://www.phoenixcontact.com/us/produkte/2856058
Surge protection connector - PT 1X2-24AC-ST - 2856058
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PT protective connector with protective circuit for a 2-wire floating signal circuit. HART-compatible.
The figure shows the PT
1x2-48DC-ST version
Why buy this product
Plugs can be checked with CHECKMASTER
Installed in conjunction with the PT 1x2…-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 a floating signal circuit
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 95 (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/2856058
Surge protection connector - PT 1X2-24AC-ST - 2856058
Technical data
General
Mounting type
Design
Number of positions
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
2
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-wire)
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)
Nominal pulse current Ian (10/1000) µs (Core-Core)
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-Earth) spike
Output voltage limitation at 1 kV/µs (Core-Core) static
C1
C2
C3
D1
C1
C2
C3
D1
24 V AC
40 V DC
28 V AC
28 V AC
40 V DC
450 mA (45°C)
≤ 5 µA
≤ 2 µA (Directly grounded)
≤ 1 µA (BE: 1x2+F)
10 kA
10 kA
20 kA
10 kA
10 kA
23 A
2.5 kA
≤ 55 V
≤ 450 V
≤ 1 kV (BE: 1x2+F)
≤ 55 V
05.10.2012 Page 2 / 7
https://www.phoenixcontact.com/us/produkte/2856058
Surge protection connector - PT 1X2-24AC-ST - 2856058
Technical data
Protective circuit
Residual voltage at In, (conductor-conductor)
Residual voltage with Ian (10/1000)µs (conductor-conductor)
Protection level UP (Core-Core)
Protection level UP (Core-Earth)
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
Max. required back-up fuse
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)
≤ 55 V
≤ 65 V
≤ 80 V
≤ 450 V
≤ 1 ns
≤ 100 ns
0.5 dB (≤ 1.5 MHz)
Typ. 8 MHz
1.1 nF
2.2 Ω 10% (1-2/5-6/7-8/11-12)
500 mA
C2 (10 kV/5 kA)
C2 (10 kV/5 kA)
D1 (2.5 kA)
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
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
05.10.2012 Page 3 / 7
https://www.phoenixcontact.com/us/produkte/2856058
Surge protection connector - PT 1X2-24AC-ST - 2856058
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
34 V
GOST
Accessories
Accessories
Marking
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
05.10.2012 Page 4 / 7
https://www.phoenixcontact.com/us/produkte/2856058
Surge protection connector - PT 1X2-24AC-ST - 2856058
Accessories
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
Zack Marker strip, flat - ZBF 5,QR:FORTL.ZAHLEN - 0808697
Zack Marker strip, flat, Strip, white, Labeled, Printed vertically: Consecutive numbers 1 - 10, 11 - 20, etc.
up to 91 - 100, 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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