Extract from the online catalog MT-RS485-TTL Order No.: 2749398 The illustration shows version MT-RS485/S http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2749398 Rail-mountable module with surge voltage coarse and fine protection for RS-485 interface, with TTL level, for mounting on NS 35/7.5, housing width: 50 mm Product notes WEEE/RoHS-compliant since: 04/27/2006 Commercial data GTIN (EAN) 4 017918 104962 sales group J420 Pack 5 pcs. Customs tariff 85363010 Catalog page information Page 100 (TT-2002) 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 Color black Ambient temperature (operation) -40 C ... 80 C Mounting type DIN rail: 35 mm Design Rail-mountable module, one-piece PHOENIX CONTACT Inc., USA http://www.phoenixcon.com Page 1 / 6 Jan 19, 2011 MT-RS485-TTL Order No.: 2749398 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2749398 Degree of protection IP20 Direction of action Line-Line & Line-Signal Ground/Shield & Signal Ground/ShieldEarth Ground Width 47.60 mm Height 54.90 mm Length 77.50 mm Protective circuit IEC category C2 C3 D1 VDE requirement class C2 C3 D1 Nominal voltage UN 5 V DC Maximum continuous voltage UC (wire-ground) 5.8 V DC Nominal current IN 450 mA (25C) Operating effective current IC at UC 2 mA Nominal discharge surge current In (8/20) s (Core-Core) 10 kA Nominal discharge surge current In (8/20) s (Core-Earth) 10 kA Max. discharge surge current Imax (8/20) s maximum (Core-Core) 10 kA Max. discharge surge current Imax (8/20) s maximum (Core-Earth) 10 kA Max. discharge surge current Imax (8/20) s maximum (Core-GND) 10 kA Output voltage limitation at 1 kV/s (Core-Core) spike 9V Output voltage limitation at 1 kV/s (Core-Earth) spike 450 V Output voltage limitation at 1 kV/s (Core-Core) static 9V Output voltage limitation at 1 kV/s (Core-Earth) static 450 V Output voltage limitation at 1 kV/s (Core-GND) static 9V Residual voltage at In, (conductor-conductor) 9V Residual voltage at In, (conductor-GND) 9V PHOENIX CONTACT Inc., USA http://www.phoenixcon.com Page 2 / 6 Jan 19, 2011 MT-RS485-TTL Order No.: 2749398 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2749398 Protection level UP (Core-Core) 9V Protection level UP (Core-Earth) 450 V Protection level UP (Core-GND) 9V Response time tA (Core-Core) 1 ns Response time tA (Core-Earth) 1 ns 100 ns Input attenuation aE, sym. Typ. 0.1 dB (up to 40 kHz 150 system) Typ. 0.1 dB (Up to 10 kHz) Input attenuation aE, asym. 0.5 dB (up to 0.1 MHz 50 system) 0.1 dB (up to 10 kHz 600 system) Cut-off frequency fg (3 dB), asym. (GND) in 50 Ohm system 600 kHz Cut-off frequency fg (3 dB), asym. (GND) in 150 Ohm system 200 kHz Cut-off frequency fg (3 dB), asym. (GND) in 600 Ohm system 50 kHz Resistance in series 4.4 Connection data Type of connection Screw connection Connection type IN Screw terminal blocks Connection type OUT Screw terminal blocks Screw thread M3 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 12 Connection, protective circuit Standards/regulations Draft IEC 64644-1 E VDE 0845-3-1 PHOENIX CONTACT Inc., USA http://www.phoenixcon.com Page 3 / 6 Jan 19, 2011 MT-RS485-TTL Order No.: 2749398 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2749398 Certificates / Approvals Certification GOST 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 Assembly Diagrams/Drawings Diagram Characteristic attenuation curve PHOENIX CONTACT Inc., USA http://www.phoenixcon.com Page 4 / 6 Jan 19, 2011 MT-RS485-TTL Order No.: 2749398 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2749398 Dimensioned drawing Circuit diagram PHOENIX CONTACT Inc., USA http://www.phoenixcon.com Page 5 / 6 Jan 19, 2011 MT-RS485-TTL Order No.: 2749398 http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2749398 Address PHOENIX CONTACT Inc., USA 586 Fulling Mill Road Middletown, PA 17057,USA Phone (800) 888-7388 Fax (717) 944-1625 http://www.phoenixcon.com (c) 2010 Phoenix Contact Technical modifications reserved; PHOENIX CONTACT Inc., USA http://www.phoenixcon.com Page 6 / 6 Jan 19, 2011