Extract from the online
catalog
TT-2/2-M-24DC
Order No.: 2920722
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920722
Modular terminal block with two-stage surge protection for two signal
wires with common reference potential, disconnect knife on both signal
paths, separate ground connection, nominal voltage: 24 V DC
Product notes
Commercial data
GTIN (EAN)
4
046356
182850
WEEE/RoHS-compliant since:
01/25/2007
sales group
Pack
Customs tariff
Catalog page information
J304
14 pcs.
85363010
Page 101 (TT-2009)
http://
www.download.phoenixcontact.com
Please note that the data given
here has been taken from the
online catalog. For comprehensive
information and data, please refer
to the user documentation. The
General Terms and Conditions of
Use apply to Internet downloads.
Technical data
General
Housing material
Inflammability class acc. to UL 94
Color
Total surge current (8/20) µs
PA 6.6
V2
black
10 kA
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Feb 9, 2011
TT-2/2-M-24DC
Order No.: 2920722
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920722
Total surge current (10/350) µs
Ambient temperature (operation)
Mounting type
Design
Number of positions
Degree of protection
Direction of action
Width
Height
Length
Protective circuit
IEC category
1 kA
-40 °C ... 80 °C
DIN rail: 35 mm
Double-level terminal block with PE foot – separate PE
connection
2
IP20
Line-Earth Ground
6.20 mm
66.45 mm
92.00 mm
C1
C2
C3
D1
Nominal voltage U
N
24 V DC
17 V AC
Maximum continuous operating voltage U
C
30 V DC
21 V AC
Maximum continuous voltage U
C
(wire-ground)
30 V DC
21 V AC
Nominal current I
N
Operating effective current I
C
at U
C
Ground conductor current I
PE
Nominal discharge surge current I
n
(8/20) µs
(Core-Core)
Nominal discharge surge current I
n
(8/20) µs
(Core-Earth)
Total surge current (8/20) µs
Max. discharge surge current Imax (8/20) µs
maximum (Core-Earth)
Nominal pulse current Ian (10/1000) µs (Core-
Earth)
Lightning test current (10/350) µs, peak value l
imp
Output voltage limitation at 1 kV/µs (Core-Earth)
spike
300 mA (40°C)
≤ 5 µA (per path)
≤ 10 µA (per path)
5 kA
5 kA
10 kA
5 kA
30 A
500 A (per path)
≤ 45 V
PHOENIX CONTACT Deutschland GmbH
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Feb 9, 2011
TT-2/2-M-24DC
Order No.: 2920722
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920722
Output voltage limitation at 1 kV/µs (Core-Earth)
static
Residual voltage at I
n
, (conductor-ground)
Residual voltage with Ian (10/1000)µs (conductor-
ground)
Protection level U
P
(Core-Earth)
≤ 45 V
≤ 45 V
≤ 50 V
≤ 85 V (C2 (10 kV/5 kA))
≤ 55 V (C1 (500 V/250 A))
Response time tA (Core-Earth)
Input attenuation aE, asym.
Cut-off frequency fg (3 dB), asym. (PE) in 50 Ohm
system
Cut-off frequency fg (3 dB), asym. (PE) in 150
Ohm system
Capacity (Core-Earth)
Resistance in series
Max. required back-up fuse
Surge carrying capacity in acc. with IEC 61643-21
(Core-Earth)
Alternating current carrying capacity in acc. with
IEC 61643-21 (Core-Earth)
Connection data
Type of connection
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
≤ 1 ns
0.5 dB (≤ 1.5 MHz / 50 Ω)
0.2 dB (≤ 400 kHz / 150 Ω)
Typ. 6 MHz
Typ. 2.5 MHz
Typ. 2.5 nF
4.7 Ω ±20 %
4.7 Ω
315 mA (e.g. T in acc. with IEC 127-2/III)
C2 (10 kV/5 kA)
D1 (500 A)
5A-1s
Screw connection
Screw terminal blocks
Screw terminal blocks
M3
0.8 Nm
8 mm
0.2 mm²
2.5 mm²
0.2 mm²
2.5 mm²
24
14
PHOENIX CONTACT Deutschland GmbH
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Page 3 / 6
Feb 9, 2011
TT-2/2-M-24DC
Order No.: 2920722
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920722
Connection, protective circuit
Standards/regulations
Certificates / Approvals
IEC 61643-21
Certification
GOST
Accessories
Item
General
2920654
Marking
1051993
1051016
1051430
1050499
1051003
B-STIFT
ZB 6,LGS:FORTL.ZAHLEN
ZB 6,LGS:U-N
ZB 6:SO/CMS
ZB 6:UNBEDRUCKT
Marker pen, for manual labeling of unprinted Zack strips, smear-
proof and waterproof, line thickness 0.5 mm
Zack marker strip, 10-section, printed horizontally: with the
numbers 1 - 10, 11 - 20 and so on up to 491 - 500, color: white
Zack strip, printed horizontally: 10-section, U, V, W, N, GND, U, V,
W, N, GND, color: white
Zack strip, 10-section, divisible, special printing, marking
according to customer requirements
Zack strip, unprinted, strips with 10 labels for individual labeling
with M-PEN or CMS system, for terminal block width: 6.2 mm,
color: white
Zack marker strip, flat, printed horizontally: 10-section, with the
numbers 1 - 10, 11 - 20, and so on up to 91 - 100, color: white
Zack strip, flat, unprinted: 10-section, for individual labeling with
M-PEN or ZBF-T, large batch, sufficient for labeling 1000 terminal
blocks, color: white
Zack strip, flat, unprinted: 10-section, for individual labeling with
M-PEN or ZBF-T, sufficient for 100 terminal blocks, color: white
TT-D-2-PE-M-BK
End cover for TERMITRAB TT-2-PE-M-... and TT-2/2-M-...
Designation
Description
0808749
0808736
ZBF 6,LGS:FORTL.ZAHLEN
ZBF 6/WH-100:UNBEDRUCKT
0808710
ZBF 6:UNBEDRUCKT
PHOENIX CONTACT Deutschland GmbH
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Page 4 / 6
Feb 9, 2011
TT-2/2-M-24DC
Order No.: 2920722
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920722
Additional products
Item
Assembly
2839295
2839512
SSA 3-6
SSA 5-10
shield fast connections for conductor diameter 3 - 6 mm. Potential
connection cable: 200 mm, black
Shield fast connection for conductor diameters 5 - 10 mm.
Potential connection cable: 200 mm, black
Designation
Description
General
2920654
TT-D-2-PE-M-BK
End cover for TERMITRAB TT-2-PE-M-... and TT-2/2-M-...
Diagrams/Drawings
Dimensioned drawing
Circuit diagram
Schematic diagram
PHOENIX CONTACT Deutschland GmbH
http://www.phoenixcontact.de
Page 5 / 6
Feb 9, 2011
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