Extract from the online catalog TT-EX(I)- 24DC Order No.: 2832124 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2832124 Modular terminal block with three-stage surge protection for a floating Ex-i signal circuit, separate PE connection, nominal voltage: 24 V DC, for mounting on NS 35/7.5, terminal block width: 6.2 mm, terminal block height: 54.6 mm Product notes WEEE/RoHS-compliant since: 06/28/2006 Commercial data GTIN (EAN) 4 017918 172831 sales group J305 Pack 10 pcs. Customs tariff 85363010 Catalog page information 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 PA 6.6 Inflammability class acc. to UL 94 V0 Color blue PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 1 / 6 Feb 9, 2011 TT-EX(I)- 24DC Order No.: 2832124 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2832124 Standards for air and creepage distances EN 50020 VDE 0110-1 DIN EN 60079-11 Total surge current (8/20) s 10 kA Ambient temperature (operation) -40 C ... 85 C Mounting type DIN rail: 35 mm Design Double-level terminal block with PE foot - separate PE connection Degree of protection IP20 Direction of action Line-Line & Line-Earth Ground Width 6.20 mm Height 54.60 mm Length 79.60 mm Protective circuit IEC category C1 C2 C3 D1 VDE requirement class C1 C2 C3 Nominal voltage UN 24 V DC 17 V AC Maximum continuous operating voltage UC 30 V DC 21 V AC Maximum continuous voltage UC (wire-wire) 30 V DC 21 V AC Nominal current IN 250 mA (40C) Operating effective current IC at UC 5 A Ground conductor current IPE 1 A Nominal discharge surge current In (8/20) s (Core-Core) 5 kA Nominal discharge surge current In (8/20) s (Core-Earth) 5 kA Total surge current (8/20) s 10 kA PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 2 / 6 Feb 9, 2011 TT-EX(I)- 24DC Order No.: 2832124 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2832124 Max. discharge surge current Imax (8/20) s maximum (Core-Core) 5 kA Max. discharge surge current Imax (8/20) s maximum (Core-Earth) 5 kA (per path) Nominal pulse current Ian (10/1000) s (CoreCore) 100 A Nominal pulse current Ian (10/1000) s (CoreEarth) 100 A (per path) Lightning test current (10/350) s, peak value limp 500 A (per path) Output voltage limitation at 1 kV/s (Core-Core) spike 50 V Output voltage limitation at 1 kV/s (Core-Earth) spike 1.7 kV Output voltage limitation at 1 kV/s (Core-Core) static 50 V Output voltage limitation at 1 kV/s (Core-Earth) static 1.7 kV Residual voltage at In, (conductor-conductor) 40 V Protection level UP (Core-Core) 75 V (C2 (10 kV/5 kA)) 50 V (C3 - 25 A) Protection level UP (Core-Earth) 2 kV (C2 - 10 kV / 5 kA) Response time tA (Core-Core) 1 ns Response time tA (Core-Earth) 100 ns Input attenuation aE, sym. 1 dB ( 1 MHz) 0.3 dB ( 200 kHz / 150 ) 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) 2.5 nF Resistance in series 4.7 10 % 4.7 Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C2 (10 kV/5 kA) C1 (1 kV / 500 A) C3 (25 A) Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C2 (10 kV/5 kA) C3 (25 A) D1 (500 A) PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 3 / 6 Feb 9, 2011 TT-EX(I)- 24DC Order No.: 2832124 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2832124 Connection data Type of connection Screw terminal blocks 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 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 14 Connection, protective circuit Standards/regulations IEC 61643-21 EN 50020 General Maximum inner capacitance Ci 2 nF Maximum inner inductance Li 1 H Maximum inner time factor (Ri/Li) 0.1 s Insulation voltage to ground 500 V 10 % Conformity / approvals ATEX Ex II 1G, Ex ia IIC T4...T6 Ex II 1 D, Ex iaD 20 T95...135 C Certificates / Approvals Certification GOST, UCIEE, UL Certification Ex: CUL-EX LIS, KEMA-EX, UL-EX LIS PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 4 / 6 Feb 9, 2011 TT-EX(I)- 24DC Order No.: 2832124 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2832124 Accessories Item Designation Description D-DEK 1,5 BU Cover for setting the end of a TERMITRAB TT-EX(I)... row of terminal blocks, color: blue Assembly 2838982 Additional products Item Designation Description D-DEK 1,5 BU Cover for setting the end of a TERMITRAB TT-EX(I)... row of terminal blocks, color: blue Assembly 2838982 Diagrams/Drawings Dimensioned drawing Circuit diagram PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 5 / 6 Feb 9, 2011 TT-EX(I)- 24DC Order No.: 2832124 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2832124 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 6 / 6 Feb 9, 2011