https://www.phoenixcontact.com/us/products/2858344
Surge protection device - TT-PI-EX-TB/T - 2858344
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Intrinsically safe basic terminal block with isolating connector, test connections and surge protection, with
additional temperature measurement of the input terminal block for cold junction compensation, for mounting on
NS 35/7.5
Packing unit
1 pc
105.72 GRM
85363010
Germany
Key commercial data
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
Technical data
Dimensions
Height
Width
Depth
144.7 mm
12.35 mm
84.5 mm
Ambient conditions
Ambient temperature (operation)
Degree of protection
-20 °C ... 60 °C
IP20
General
Housing material
Inflammability class according to UL 94
Color
Standards for air and creepage distances
Mounting type
PBT
V2
black
VDE 0110-1
IEC 60664-1
DIN rail: 35 mm
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https://www.phoenixcontact.com/us/products/2858344
Surge protection device - TT-PI-EX-TB/T - 2858344
Technical data
General
Type
Number of positions
Direction of action
PI basic terminal block
2
Line-Line & Line-Earth Ground
Protective circuit
IEC test classification
C1
C2
C3
D1
Nominal voltage U
N
Maximum continuous operating voltage U
C
Maximum continuous voltage UC (wire-wire)
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-Core)
Nominal discharge current I
n
(8/20) µs (Core-Earth)
Total surge current (8/20) µs
Max. discharge current I
max
(8/20) µs maximum (Core-Core)
Max. discharge current I
max
(8/20) µs maximum (Core-Earth)
Nominal pulse current Ian (10/1000) µs (Core-Core)
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-Core) static
Residual voltage at I
n
, (conductor-conductor)
Residual voltage with Ian (10/1000)µs (conductor-conductor)
Voltage protection level U
P
(Core-Core)
Voltage protection level U
P
(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
Cut-off frequency fg (3 dB), sym. in 150 Ohm system
24 V DC
30 V DC
21 V AC
30 V DC
21 V AC
250 mA (40°C)
≤ 5 µA
≤ 4 µA
5 kA
5 kA
10 kA
5 kA
5 kA
100 A
100 A
1 kA
1.85 kV
≤ 45 V
≤ 45 V
≤ 45 V
≤ 90 V (C2 (10 kV/5 kA))
≤ 1.85 kV (C2 (10 kV/5 kA))
≤ 1 ns
≤ 100 ns
0.8 dB (≤ 1 MHz / 50 Ω)
0.3 dB (≤ 250 kHz / 150 Ω)
typ. 7 MHz
typ. 2 MHz
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https://www.phoenixcontact.com/us/products/2858344
Surge protection device - TT-PI-EX-TB/T - 2858344
Technical data
Protective circuit
Resistance in series
Surge protection fault message
Surge current resistance (conductor-conductor)
Surge current resistance (conductor-ground)
4.7 Ω ±10 %
4.7 Ω
None
C2 - 10 kV/5 kA
C3 - 100 A
C2 - 10 kV/5 kA
C3 - 100 A
D1 - 1 kA
Connection data
Connection method
Connection type IN
Connection type OUT
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
Screw terminal blocks
Screw terminal blocks
0.2 mm²
2.5 mm²
0.2 mm²
2.5 mm²
24
14
Standards and Regulations
Standards/regulations
IEC 61643-21
EN 50020
General
Maximum inner capacitance C
i
Maximum inner inductance L
i
Maximum inner time factor (R
i
/L
i
)
Max. input current I
i
Max. input voltage U
i
3 nF
1 µH
0.1 µs
250 mA
30 V
Classifications
eCl@ss
eCl@ss 4.0
eCl@ss 4.1
eCl@ss 5.0
eCl@ss 5.1
eCl@ss 6.0
27140201
27130801
27130801
27130801
27130807
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https://www.phoenixcontact.com/us/products/2858344
Surge protection device - TT-PI-EX-TB/T - 2858344
Classifications
eCl@ss
eCl@ss 7.0
eCl@ss 8.0
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
GOST
Ex Approvals
ATEX
Approvals submitted
Approval details
GOST
Drawings
10/21/2014 Page 4 / 5
https://www.phoenixcontact.com/us/products/2858344
Surge protection device - TT-PI-EX-TB/T - 2858344
Dimensioned drawing
145
12,4
Circuit diagram
2
4
INTERFACE
IN
OUT
147
1
86,5
3
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