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 Product notes WEEE/RoHS-compliant since: 05/26/2008 Commercial data GTIN (EAN) 4 046356 168373 sales group J300 Pack 10 pcs. Customs tariff 85363010 Catalog page information Page 164 (NTK-2008) 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 PA 6.6 Inflammability class acc. to UL 94 V2 Color black Standards for air and creepage distances EN 60664-1 PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 1 / 5 Feb 9, 2011 TT-ST-2/2-S-24DC Order No.: 2920735 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920735 Total surge current (8/20) s 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 UN 24 V DC Maximum continuous operating voltage UC 30 V DC 21 V AC Maximum continuous voltage UC (wire-ground) 30 V DC 21 V AC Nominal current IN 10 A (50C) Operating effective current IC at UC 5 A (DC) 20 A (60 Hz) Ground conductor current IPE 10 A (DC) 40 A (60 Hz) Nominal discharge surge current In (8/20) s (Core-Earth) 310 A (per path) Total surge current (8/20) s 620 A Nominal pulse current Ian (10/1000) s (CoreEarth) 62 A (per path) Output voltage limitation at 1 kV/s (Core-Earth) static 45 V Residual voltage at In, (conductor-ground) 48 V Residual voltage with Ian (10/1000)s (conductorground) 48 V Protection level UP (Core-Earth) 45 V (C1 - 250 A) PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 2 / 5 Feb 9, 2011 TT-ST-2/2-S-24DC Order No.: 2920735 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920735 Response time tA (Core-Earth) 1 ns Input attenuation aE, asym. Typ. 0.3 dB ( 1 MHz / 50 ) Typ. 0.1 dB ( 150 kHz / 150 ) 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 mm Conductor cross section stranded max. 2.5 mm Conductor cross section solid min. 0.5 mm Conductor cross section solid max. 4 mm 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 PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de GOST Page 3 / 5 Feb 9, 2011 TT-ST-2/2-S-24DC Order No.: 2920735 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920735 Accessories Item Designation Description TT-D-STTCO-BK End cover for TERMITRAB TT-ST-..., width: 2.2 mm, color: Black 1051993 B-STIFT Marker pen, for manual labeling of unprinted Zack strips, smearproof 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 General 2858894 Marking Additional products Item Designation Description 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 TT-D-STTCO-BK End cover for TERMITRAB TT-ST-..., width: 2.2 mm, color: Black Assembly General 2858894 Diagrams/Drawings Dimensioned drawing PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 4 / 5 Feb 9, 2011 TT-ST-2/2-S-24DC Order No.: 2920735 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920735 Address PHOENIX CONTACT Deutschland GmbH Flachsmarktstr. 8 32825 Blomberg,Germany Phone +49 5235 3 12000 Fax +49 5235 3 41200 http://www.phoenixcontact.de (c) 2011 Phoenix Contact Technical modifications reserved; PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 5 / 5 Feb 9, 2011