https://www.phoenixcontact.com/us/produkte/2920641
Surge protection device - TT-2-PE-M-24DC - 2920641
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Modular terminal block with two-stage surge protection for one operated floating double conductor,
disconnect knife on both signal paths, separate ground connection, nominal voltage: 24 V DC.
Why buy this product
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
0
Minimum order quantity
1
Catalog page
Page 106 (TT-2011)
GTIN
Custom tariff number
85363010
Country of origin
GERMANY
Technical data
General
Housing material
PA 6.6
Inflammability class according to UL 94
V2
Color
black
Total surge current (8/20) µs
10 kA
Total surge current (10/350) µs
1 kA
Ambient temperature (operation)
-40 °C ... 80 °C
Mounting type
DIN rail: 35 mm
Design
Double-level terminal block with PE foot – separate PE connection
Number of positions
2
Degree of protection
IP20
Direction of action
Line-Line & Line-Earth Ground
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Surge protection device - TT-2-PE-M-24DC - 2920641
Technical data
General
Width
6.2 mm
Height
92 mm
Depth
66.45 mm
Protective circuit
IEC category
C1
IEC category
C2
IEC category
C3
IEC category
D1
Nominal voltage UN
24 V DC
Nominal voltage UN
17 V AC
Maximum continuous operating voltage UC
30 V DC
Maximum continuous operating voltage UC
21 V AC
Maximum continuous voltage UC (wire-wire)
30 V DC
Maximum continuous voltage UC (wire-wire)
21 V AC
Nominal current IN
300 mA (40°C)
Operating effective current IC at UC
≤ 5 µA
Ground conductor current IPE
≤ 2 µA
Nominal discharge surge current In (8/20) µs (Core-Core)
5 kA
Nominal discharge surge current In (8/20) µs (Core-Earth)
5 kA
Total surge current (8/20) µs
10 kA
Max. discharge surge current Imax (8/20) µs maximum (CoreCore)
5 kA
Max. discharge surge current Imax (8/20) µs maximum (CoreEarth)
5 kA (per path)
Nominal pulse current Ian (10/1000) µs (Core-Core)
30 A
Nominal pulse current Ian (10/1000) µs (Core-Earth)
100 A (per path)
Lightning test current (10/350) µs, peak value limp
500 A (per path)
Output voltage limitation at 1 kV/µs (Core-Core) spike
≤ 45 V
Output voltage limitation at 1 kV/µs (Core-Earth) spike
≤ 650 V
Output voltage limitation at 1 kV/µs (Core-Core) static
≤ 45 V
Output voltage limitation at 1 kV/µs (Core-Earth) static
≤ 650 V
Residual voltage at In, (conductor-conductor)
≤ 45 V
Residual voltage with Ian (10/1000)µs (conductor-conductor)
≤ 50 V
Protection level UP (Core-Core)
≤ 55 V (C2 (10 kV/5 kA))
Protection level UP (Core-Core)
≤ 53 V (C1 (500 V/250 A))
Response time tA (Core-Core)
≤ 1 ns
Response time tA (Core-Earth)
≤ 100 ns
Input attenuation aE, sym.
0.6 dB (≤ 500 kHz / 50 Ω)
Input attenuation aE, sym.
0.2 dB (≤ 200 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 50 Ohm system
Typ. 6 MHz
Cut-off frequency fg (3 dB), sym. in 150 Ohm system
Typ. 2 MHz
Capacity (Core-Core)
Typ. 2.5 nF
Resistance in series
3.3 Ω 20 %
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Surge protection device - TT-2-PE-M-24DC - 2920641
Technical data
Protective circuit
Resistance in series
3.3 Ω
Max. required back-up fuse
315 mA (e.g. T in acc. with IEC 127-2/III)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core)
C2 (10 kV/5 kA)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth)
C2 (10 kV/5 kA)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth)
D1 (500 A)
Alternating current carrying capacity in acc. with IEC 61643-21
(Core-Earth)
5A-1s
Connection data
Connection method
Screw connection
Connection type IN
Screw terminal blocks
Connection type OUT
Screw terminal blocks
Screw thread
M3
Tightening torque
0.8 Nm
Stripping length
8 mm
Conductor cross section stranded min.
0.2 mm²
Conductor cross section stranded max.
2.5 mm²
Conductor cross section solid min.
0.2 mm²
Conductor cross section solid max.
2.5 mm²
Conductor cross section AWG/kcmil min.
24
Conductor cross section AWG/kcmil max
14
Connection, protective circuit
Standards/regulations
IEC 61643-21
Classifications
eclass
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
etim
ETIM 2.0
EC000943
ETIM 3.0
EC000943
ETIM 4.0
EC000943
unspsc
UNSPSC 6.01
30212010
UNSPSC 7.0901
39121610
UNSPSC 11
39121610
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Surge protection device - TT-2-PE-M-24DC - 2920641
Classifications
unspsc
UNSPSC 12.01
39121610
UNSPSC 13.2
39121620
Approvals
Approvals
Approvals
GOST
Ex Approvals
Approvals submitted
Approval details
GOST
Accessories
Accessories
Marking
Marker pen - B-STIFT - 1051993
Marker pen, for manual labeling of unprinted Zack strips, smear-proof and waterproof, line thickness 0.5 mm
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
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https://www.phoenixcontact.com/us/produkte/2920641
Surge protection device - TT-2-PE-M-24DC - 2920641
Accessories
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
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
Zack marker strip - ZB 6:UNBEDRUCKT - 1051003
Zack marker strip, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into tall marker
groove, For terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm
Zack marker strip - ZB 6,LGS:U-N - 1051430
Zack marker strip, Strip, white, Labeled, Can be labeled with: Plotter, Printed horizontally: U, V, W, N, GND,
U, V, W, N, GND, Mounting type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering
field: 6.15 x 10.5 mm
Zack marker strip - ZB 6,LGS:FORTL.ZAHLEN - 1051016
Zack marker strip, Strip, white, Labeled, Can be labeled with: Plotter, Printed horizontally: Consecutive
numbers 1 - 10, 11 - 20, etc. up to 491 - 500, Mounting type: Snap into tall marker groove, For terminal
block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm
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Surge protection device - TT-2-PE-M-24DC - 2920641
Accessories
End cover - TT-D-2-PE-M-BK - 2920654
End cover for TERMITRAB TT-2-PE-M-... and TT-2/2-M-...
Additional products
End cover - TT-D-2-PE-M-BK - 2920654
End cover for TERMITRAB TT-2-PE-M-... and TT-2/2-M-...
Shield connection - SSA 3-6 - 2839295
shield fast connections for conductor diameter 3 - 6 mm. Potential connection cable: 200 mm, black
Shield connection - SSA 5-10 - 2839512
Shield fast connection for conductor diameters 5 - 10 mm. Potential connection cable: 200 mm, black
Drawings
Connection diagram
Dimensioned drawing
6,2
a
94,8
b
a
4
IN
OUT
69,1
2
b
1
3
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https://www.phoenixcontact.com/us/produkte/2920641
Surge protection device - TT-2-PE-M-24DC - 2920641
Circuit diagram
Schematic diagram
a
1
b
3
a
4
2
OUT
IN
OUT
IN
b
1
2
3
4
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