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Extract from the online
catalog
TT-ST-2/2-S-24DC
Order No.: 2920735
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920735
Spring cage modular terminal block with integrated surge protection,
for assembly on NS 35/7.5, voltage UN 24 V DC, terminal width: 6.2
mm, cover width: 2.2 mm
Commercial data
GTIN (EAN)
4 046356 168373
sales group J300
Pack 10 pcs.
Customs tariff 85363010
Catalog page information Page 164 (NTK-2008)
Product notes
WEEE/RoHS-compliant since:
05/26/2008
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Please note that the data given
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Technical data
General
Housing material PA 6.6
Inflammability class acc. to UL 94 V2
Color black
Standards for air and creepage distances EN 60664-1
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Total surge current (8/20) µs 620 A
Ambient temperature (operation) -40 °C ... 85 °C
Mounting type DIN rail: 35 mm
Design Double-level terminal block
Number of positions 2
Degree of protection IP20
Direction of action Line-Earth Ground
Width 6.20 mm
Height 63.50 mm
Length 100.00 mm
Protective circuit
IEC category C1
C3
VDE requirement class C1
C3
Nominal voltage UN24 V DC
Maximum continuous operating voltage UC30 V DC
21 V AC
Maximum continuous voltage UC (wire-ground) 30 V DC
21 V AC
Nominal current IN10 A (50°C)
Operating effective current IC at UC≤ 5 µA (DC)
≤ 20 µA (60 Hz)
Ground conductor current IPE ≤ 10 µA (DC)
≤ 40 µA (60 Hz)
Nominal discharge surge current In (8/20) µs
(Core-Earth)
310 A (per path)
Total surge current (8/20) µs 620 A
Nominal pulse current Ian (10/1000) µs (Core-
Earth)
62 A (per path)
Output voltage limitation at 1 kV/µs (Core-Earth)
static
≤ 45 V
Residual voltage at In, (conductor-ground) ≤ 48 V
Residual voltage with Ian (10/1000)µs (conductor-
ground)
≤ 48 V
Protection level UP (Core-Earth) ≤ 45 V (C1 - 250 A)
TT-ST-2/2-S-24DC Order No.: 2920735
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Response time tA (Core-Earth) ≤ 1 ns
Input attenuation aE, asym. Typ. 0.3 dB (≤ 1 MHz / 50 Ω)
Typ. 0.1 dB (≤ 150 kHz / 150 Ω)
Cut-off frequency fg (3 dB), asym. (GND) in 50
Ohm system
Typ. 3 MHz
Cut-off frequency fg (3 dB), asym. (GND) in 150
Ohm system
Typ. 500 kHz
Capacity (Core-Earth) ≤ 2 nF
Max. required back-up fuse 10 A (e.g. T ( IEC 127-2/III))
Surge carrying capacity in acc. with IEC 61643-21
(Core-Earth)
C1 (500 A/250 A)
C3 (25 A)
Alternating current carrying capacity in acc. with
IEC 61643-21 (Core-Earth)
2 A (5x 1 s)
Connection data
Type of connection Spring-cage connection
Connection type IN Spring-cage
Connection type OUT Spring-cage
Conductor cross section stranded min. 0.5 mm²
Conductor cross section stranded max. 2.5 mm²
Conductor cross section solid min. 0.5 mm²
Conductor cross section solid max. 4 mm²
Conductor cross section AWG/kcmil min. 24
Conductor cross section AWG/kcmil max 12
Connection, protective circuit
Standards/regulations IEC 61643-21
Certificates / Approvals
Certification GOST
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Accessories
Item Designation Description
General
2858894 TT-D-STTCO-BK End cover for TERMITRAB TT-ST-..., width: 2.2 mm, color: Black
Marking
1051993 B-STIFT Marker pen, for manual labeling of unprinted Zack strips, smear-
proof and waterproof, line thickness 0.5 mm
0808749 ZBF 6,LGS:FORTL.ZAHLEN Zack marker strip, flat, printed horizontally: 10-section, with the
numbers 1 - 10, 11 - 20, and so on up to 91 - 100, color: white
0808736 ZBF 6/WH-100:UNBEDRUCKT 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
0808710 ZBF 6:UNBEDRUCKT Zack strip, flat, unprinted: 10-section, for individual labeling with
M-PEN or ZBF-T, sufficient for 100 terminal blocks, color: white
Additional products
Item Designation Description
Assembly
2839295 SSA 3-6 shield fast connections for conductor diameter 3 - 6 mm. Potential
connection cable: 200 mm, black
2839512 SSA 5-10 Shield fast connection for conductor diameters 5 - 10 mm.
Potential connection cable: 200 mm, black
General
2858894 TT-D-STTCO-BK End cover for TERMITRAB TT-ST-..., width: 2.2 mm, color: Black
Diagrams/Drawings
Dimensioned drawing
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Address
PHOENIX CONTACT Deutschland GmbH
Flachsmarktstr. 8
32825 Blomberg,Germany
Phone +49 5235 3 12000
Fax +49 5235 3 41200
http://www.phoenixcontact.de
© 2011 Phoenix Contact
Technical modifications reserved;