https://www.phoenixcontact.
com/us/products/2838186
Surge protection device-TT-2-PE- 24DC-2838186
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Modular terminal block with three-stage surge protection for a floating double conductor, separate ground
connection, nominal voltage: 24 V DC, for mounting on NS 35/7.5, terminal width: 6.2 mm, terminal height: 54,6
mm
Product Features
Versions with and without disconnect knife
Protection of a floating double wire
Protection of two signal wires with common reference potential
Multi-stage modular terminal blocks with screw connection technology
Disconnection of signal circuits by disconnect knife
Key commercial data
Packing unit
1 pc
Weight per Piece (excluding packing)
28.0 GRM
Custom tariff number
85363010
Country of origin
Germany
Technical data
Dimensions
Height
79.6 mm
Width
6.2 mm
Depth
54.6 mm
Ambient conditions
Ambient temperature (operation)
-40 C ... 85 C
Degree of protection
IP20
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Surge protection device-TT-2-PE- 24DC-2838186
Technical data
General
Housing material
PA 6.6
Inflammability class according to UL 94
V0
Color
black
Standards for air and creepage distances
IEC 60664-1
Mounting type
DIN rail: 35 mm
Type
Double-level terminal block with PE foot separate PE connection
Number of positions
Direction of action
Line-Line & Line-Earth Ground
Protective circuit
IEC test classification
C1
C2
C3
D1
Nominal voltage UN
24 V DC
Maximum continuous operating voltage UC
30 V DC
Maximum continuous voltage UC (wire-wire)
30 V DC
Nominal current IN
300 mA (40C)
Operating effective current IC at UC
10 A
Residual current IPE
1 A
Nominal discharge current In (8/20) s (Core-Core)
5 kA
Nominal discharge current In (8/20) s (Core-Earth)
5 kA
Total surge current (8/20) s
10 kA
Nominal pulse current Ian (10/1000) s (Core-Core)
100 A
Nominal pulse current Ian (10/1000) s (Core-Earth)
100 A
Impulse discharge current (10/350)s, peak value limp
500 A
Output voltage limitation at 1 kV/s (Core-Core) spike
45 V
Output voltage limitation at 1 kV/s (Core-Earth) spike
650 V
Voltage protection level UP (Core-Core)
70 V (C2 - 10 kV / 5 kA)
55 V (C1 - 1 kV/500 A)
45 V (C3 - 10 A)
45 V (C3 - 100 A)
Voltage protection level UP (Core-Earth)
850 V (C2 - 10 kV / 5 kA)
650 V (C1 - 1 kV/500 A)
850 V (C3 - 10 A)
900 V (C3 - 100 A)
800 V (D1 - 500 A)
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Surge protection device-TT-2-PE- 24DC-2838186
Technical data
Protective circuit
Response time tA (Core-Core)
1 ns
Response time tA (Core-Earth)
100 ns
Input attenuation aE, sym.
typ. 0.6 dB ( 500 kHz / 50 )
typ. 0.3 dB ( 160 kHz/150 )
Cut-off frequency fg (3 dB), sym. in 50 Ohm system
typ. 3 MHz
Cut-off frequency fg (3 dB), sym. in 150 Ohm system
typ. 1 MHz
Capacity (Core-Core)
4 nF
Resistance in series
3.7 10 % (per path)
3.7
Surge protection fault message
None
Max. required back-up fuse
315 mA (T/IEC 60127-2/3)
Surge current resistance (conductor-conductor)
C1 - 1 kV/500 A
C2 - 10 kV/5 kA
C3 - 100 A
Surge current resistance (conductor-ground)
C1 - 1 kV/500 A
C2 - 10 kV/5 kA
C3 - 100 A
D1 - 500 A
Alternating current carrying capacity (conductor-conductor)
0.25 A/1s
Alternating current carrying capacity (conductor-ground)
0.25 A/1s
Pulse reset time (conductor-conductor)
400 ms, at Uc and 330 mA
Pulse reset time (conductor-ground)
400 ms, at Uc and 330 mA
Connection data
Connection method
Screw connection
Connection type IN
Screw terminal blocks
Connection type OUT
Screw terminal blocks
Screw thread
M3
Tightening torque
0.6 Nm
Stripping length
8 mm
Conductor cross section stranded min.
0.2 mm
Conductor cross section stranded max.
2.5 mm
Conductor cross section solid min.
0.2 mm
Conductor cross section solid max.
4 mm
Conductor cross section AWG/kcmil min.
24
Conductor cross section AWG/kcmil max
12
Standards and Regulations
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Surge protection device-TT-2-PE- 24DC-2838186
Technical data
Standards and Regulations
Standards/regulations
IEC 61643-21
EN 61643-21
Classifications
eCl@ss
eCl@ss 4.0
27140201
eCl@ss 4.1
27130801
eCl@ss 5.0
27130801
eCl@ss 5.1
27130801
eCl@ss 6.0
27130807
eCl@ss 7.0
27130807
eCl@ss 8.0
27130807
ETIM
ETIM 2.0
EC000943
ETIM 3.0
EC000943
ETIM 4.0
EC000943
ETIM 5.0
EC000943
UNSPSC
UNSPSC 6.01
30212010
UNSPSC 7.0901
39121610
UNSPSC 11
39121610
UNSPSC 12.01
39121610
UNSPSC 13.2
39121620
Approvals
Approvals
Approvals
GOST / GL / UL Listed
Ex Approvals
UL Listed / cUL Listed / cULus Listed
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Surge protection device-TT-2-PE- 24DC-2838186
Approvals
Approvals submitted
Approval details
GOST
GL
UL Listed
Accessories
Accessories
End cover
End cover-D-DEK 1,5 BK-2838995
Cover for setting the end of a TERMITRAB TT-2-PE... and TT-2/2 row of terminal blocks, color: black
Labeled terminal marker
Zack Marker strip, flat-ZBF 6,LGS:FORTL.ZAHLEN-0808749
Zack Marker strip, flat, Strip, white, labeled, Printed horizontally:Consecutive numbers 1 - 10, 11 - 20, etc. up to 91 - 100,
Mounting type: Snap into flat marker groove, for terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm
Marker pen
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Surge protection device-TT-2-PE- 24DC-2838186
Accessories
Marker pen-B-STIFT-1051993
Marker pen, for manual labeling of unprinted Zack strips, smear-proof and waterproof, line thickness 0.5 mm
Terminal marking
Zack Marker strip, flat-ZBF 6:UNBEDRUCKT-0808710
Zack Marker strip, flat, Strip, white, unlabeled, can be labeled with: Plotter, Mounting type: Snap into flat marker groove,
for terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm
Zack Marker strip, flat-ZBF 6/WH-100:UNBEDRUCKT-0808736
Zack Marker strip, flat, Strip, white, unlabeled, can be labeled with: Plotter, Mounting type: Snap into flat marker groove,
for terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm
Additional products
End cover-D-DEK 1,5 BK-2838995
Cover for setting the end of a TERMITRAB TT-2-PE... and TT-2/2 row of terminal blocks, color: black
Shield connection-SSA 3-6-2839295
shield fast connections for conductor diameter 3 - 6 mm. Potential connection cable: 200 mm, black
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Surge protection device-TT-2-PE- 24DC-2838186
Accessories
Shield connection-SSA 5-10-2839512
Shield fast connection for conductor diameters 5 - 10 mm. Potential connection cable: 200 mm, black
Drawings
Dimensioned drawing
79,6
1
OUT
IN
54,6
6,2
Circuit diagram
Schematic diagram
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