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 WEEE/RoHS-compliant since: 01/25/2007 Commercial data GTIN (EAN) 4 046356 182850 sales group J304 Pack 14 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 V2 Color black Total surge current (8/20) s 10 kA PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 1 / 6 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) s 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-Earth Ground Width 6.20 mm Height 66.45 mm Length 92.00 mm Protective circuit IEC category C1 C2 C3 D1 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-ground) 30 V DC 21 V AC Nominal current IN 300 mA (40C) Operating effective current IC at UC 5 A (per path) Ground conductor current IPE 10 A (per path) 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 Max. discharge surge current Imax (8/20) s maximum (Core-Earth) 5 kA Nominal pulse current Ian (10/1000) s (CoreEarth) 30 A Lightning test current (10/350) s, peak value limp 500 A (per path) Output voltage limitation at 1 kV/s (Core-Earth) spike 45 V PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 2 / 6 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/s (Core-Earth) static 45 V Residual voltage at In, (conductor-ground) 45 V Residual voltage with Ian (10/1000)s (conductorground) 50 V Protection level UP (Core-Earth) 85 V (C2 (10 kV/5 kA)) 55 V (C1 (500 V/250 A)) Response time tA (Core-Earth) 1 ns Input attenuation aE, asym. 0.5 dB ( 1.5 MHz / 50 ) 0.2 dB ( 400 kHz / 150 ) Cut-off frequency fg (3 dB), asym. (PE) in 50 Ohm system Typ. 6 MHz Cut-off frequency fg (3 dB), asym. (PE) in 150 Ohm system Typ. 2.5 MHz Capacity (Core-Earth) Typ. 2.5 nF Resistance in series 4.7 20 % 4.7 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-Earth) C2 (10 kV/5 kA) D1 (500 A) Alternating current carrying capacity in acc. with IEC 61643-21 (Core-Earth) 5A-1s Connection data Type of connection 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 mm Conductor cross section stranded max. 2.5 mm Conductor cross section solid min. 0.2 mm Conductor cross section solid max. 2.5 mm Conductor cross section AWG/kcmil min. 24 Conductor cross section AWG/kcmil max 14 PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de 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 IEC 61643-21 Certificates / Approvals Certification GOST Accessories Item Designation Description TT-D-2-PE-M-BK End cover for TERMITRAB TT-2-PE-M-... and TT-2/2-M-... 1051993 B-STIFT Marker pen, for manual labeling of unprinted Zack strips, smearproof and waterproof, line thickness 0.5 mm 1051016 ZB 6,LGS:FORTL.ZAHLEN Zack marker strip, 10-section, printed horizontally: with the numbers 1 - 10, 11 - 20 and so on up to 491 - 500, color: white 1051430 ZB 6,LGS:U-N Zack strip, printed horizontally: 10-section, U, V, W, N, GND, U, V, W, N, GND, color: white 1050499 ZB 6:SO/CMS Zack strip, 10-section, divisible, special printing, marking according to customer requirements 1051003 ZB 6:UNBEDRUCKT 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 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 2920654 Marking PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de 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 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-2-PE-M-BK End cover for TERMITRAB TT-2-PE-M-... and TT-2/2-M-... Assembly General 2920654 Diagrams/Drawings Dimensioned drawing Circuit diagram Schematic diagram PHOENIX CONTACT Deutschland GmbH http://www.phoenixcontact.de Page 5 / 6 Feb 9, 2011 TT-2/2-M-24DC Order No.: 2920722 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2920722 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