https://www.phoenixcontact.com/us/produkte/2839538 Surge protection device - TT-2-PE/S1-24DC - 2839538 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://download.phoenixcontact.com) Double-level modular terminal block with two-stage surge protection for one two-wire impedancesensitive signal circuit, separate ground connection, nominal voltage: 24 V DC. Why buy this product Versions with and without disconnect knife Protection of a floating double wire in which the introduction of additional resistors for decoupling the protection stages leads to problems Multi-stage modular terminal blocks with screw connection technology Disconnection of signal circuits by disconnect knife Key commercial data Packing unit 1 Minimum order quantity 10 Catalog page Page 107 (TT-2011) GTIN Custom tariff number 85363010 Country of origin GERMANY Technical data General Housing material PA 6.6 Inflammability class according to UL 94 V0 Color black Standards for air and creepage distances IEC 60664-1 Total surge current (8/20) s 10 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-Line & Line-Earth Ground 05.10.2012 Page 1 / 6 https://www.phoenixcontact.com/us/produkte/2839538 Surge protection device - TT-2-PE/S1-24DC - 2839538 Technical data General Width 6.2 mm Height 79.6 mm Depth 54.6 mm Protective circuit IEC category C1 IEC category C2 IEC category C3 IEC category D1 Nominal voltage UN 24 V DC Maximum continuous operating voltage UC 30 V DC Maximum continuous operating voltage UC 21 V AC Maximum continuous voltage UC (wire-wire) 30 V DC Maximum continuous voltage UC (wire-wire) 21 V AC Nominal current IN 10 A (40C) Operating effective current IC at UC 1 A Ground conductor current IPE 1 A Nominal discharge surge current In (8/20) s (Core-Core) 300 A Nominal discharge surge current In (8/20) s (Core-Earth) 5 kA Total surge current (8/20) s 10 kA Nominal pulse current Ian (10/1000) s (Core-Core) 60 A Nominal pulse current Ian (10/1000) s (Core-Earth) 100 A Lightning test current (10/350) s, peak value limp 500 A Output voltage limitation at 1 kV/s (Core-Core) spike 45 V Output voltage limitation at 1 kV/s (Core-Earth) spike 700 V Protection level UP (Core-Core) 50 V (C1 - 500 V / 250 A) Protection level UP (Core-Core) 45 V (C3 - 10 A) Protection level UP (Core-Core) 50 V (C3 - 25 A) Protection level UP (Core-Earth) 900 V (C2 - 10 kV / 5 kA) Protection level UP (Core-Earth) 650 V (C1 - 1 kV/500 A) Protection level UP (Core-Earth) 850 V (C3 - 25 A) Protection level UP (Core-Earth) 850 V (D1 - 500 A) Response time tA (Core-Core) 1 ns Response time tA (Core-Earth) 100 ns Input attenuation aE, sym. Typ. 0 dB ( 1 MHz / 50 ) Input attenuation aE, sym. Typ. 0 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. 2.2 MHz Capacity (Core-Core) 4 nF Max. required back-up fuse 10 A (T/IEC 60127-2/3) Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C1 (500 V / 250 A) Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C3 (25 A) Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C1 (1 kV / 500 A) 05.10.2012 Page 2 / 6 https://www.phoenixcontact.com/us/produkte/2839538 Surge protection device - TT-2-PE/S1-24DC - 2839538 Technical data Protective circuit Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C2 (10 kV/5 kA) Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C3 (25 A) Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) D1 (500 A) Alternating current carrying capacity in acc. with IEC 61643-21 (Core-Core) 1A - 1s Alternating current carrying capacity in acc. with IEC 61643-21 (Core-Earth) 1A-1s Connection data Connection method 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. 4 mm Conductor cross section AWG/kcmil min. 24 Conductor cross section AWG/kcmil max 14 Connection, protective circuit Standards/regulations IEC 61643-21 Standards/regulations EN 61643-21 Classifications eclass eCl@ss 4.0 27140201 eCl@ss 4.1 27130801 eCl@ss 5.0 27130801 eCl@ss 5.1 27130801 eCl@ss 6.0 27130807 eCl@ss 7.0 27130807 etim ETIM 2.0 EC000943 ETIM 3.0 EC000943 ETIM 4.0 EC000943 unspsc UNSPSC 6.01 30212010 UNSPSC 7.0901 39121610 UNSPSC 11 39121610 05.10.2012 Page 3 / 6 https://www.phoenixcontact.com/us/produkte/2839538 Surge protection device - TT-2-PE/S1-24DC - 2839538 Classifications unspsc UNSPSC 12.01 39121610 UNSPSC 13.2 39121620 Approvals Approvals Approvals UL Recognized / GOST / GL / UL Listed Ex Approvals Approvals submitted Approval details UL Recognized GOST GL UL Listed Accessories Accessories Assembly End cover - D-DEK 1,5 BK - 2838995 Cover for setting the end of a TERMITRAB TT-2-PE... and TT-2/2 row of terminal blocks, color: black 05.10.2012 Page 4 / 6 https://www.phoenixcontact.com/us/produkte/2839538 Surge protection device - TT-2-PE/S1-24DC - 2839538 Accessories Marking Marker pen - B-STIFT - 1051993 Marker pen, for manual labeling of unprinted Zack strips, smear-proof and waterproof, line thickness 0.5 mm Zack Marker strip, flat - ZBF 6:UNBEDRUCKT - 0808710 Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat marker groove, For terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm Zack Marker strip, flat - ZBF 6/WH-100:UNBEDRUCKT - 0808736 Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat marker groove, For terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm Zack Marker strip, flat - ZBF 6,LGS:FORTL.ZAHLEN - 0808749 Zack Marker strip, flat, Strip, white, Labeled, Printed horizontally: Consecutive numbers 1 - 10, 11 - 20, etc. up to 91 - 100, Mounting type: Snap into flat marker groove, For terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm Additional products End cover - D-DEK 1,5 BK - 2838995 Cover for setting the end of a TERMITRAB TT-2-PE... and TT-2/2 row of terminal blocks, color: black 05.10.2012 Page 5 / 6 https://www.phoenixcontact.com/us/produkte/2839538 Surge protection device - TT-2-PE/S1-24DC - 2839538 Accessories Shield connection - SSA 3-6 - 2839295 shield fast connections for conductor diameter 3 - 6 mm. Potential connection cable: 200 mm, black Shield connection - SSA 5-10 - 2839512 Shield fast connection for conductor diameters 5 - 10 mm. Potential connection cable: 200 mm, black Drawings Dimensioned drawing Circuit diagram 79,6 6,2 1 3 OUT 54,6 IN 2 4 Schematic diagram 2 1 4 3 (c) Phoenix Contact 2012 - all rights reserved http://www.phoenixcontact.com 05.10.2012 Page 6 / 6