https://www.phoenixcontact.com/us/produkte/2788391 Surge protection connector - TT-UKK5-T-V-24DC-ST - 2788391 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) Protective plug with varistor for TERMITRAB base element TT-UKK5-T-BE, nominal voltage: 24 V DC Why buy this product  Can be used in the signal circuits of electronic controllers   Key commercial data Packing unit 1 Minimum order quantity 50 Catalog page Page 111 (TT-2011) GTIN Custom tariff number 85363030 Country of origin GREECE Technical data General Housing material PA Inflammability class according to UL 94 V2 Color black Standards for air and creepage distances VDE 0110-1 Total surge current (8/20) µs 350 A Ambient temperature (operation) -40 °C ... 60 °C Mounting type On base element Design Single-level terminal block Number of positions 1 Degree of protection IP20 Direction of action Line-Line Width 6.2 mm Height 52 mm Length 41.5 mm 04.10.2012   Page 1 / 6

https://www.phoenixcontact.com/us/produkte/2788391 Surge protection connector - TT-UKK5-T-V-24DC-ST - 2788391 Technical data Protective circuit IEC category C1 IEC category C3 VDE requirement class C1 VDE requirement class C3 Nominal voltage UN 24 V DC Maximum continuous operating voltage UC 31 V DC Maximum continuous operating voltage UC 25 V AC Maximum continuous voltage UC (wire-wire) 31 V DC Maximum continuous voltage UC (wire-ground) 25 V DC Nominal current IN 26 A (40°C) Operating effective current IC at UC ≤ 150 µA Nominal discharge surge current In (8/20) µs (Core-Core) 350 A Total surge current (8/20) µs 350 A Max. discharge surge current Imax (8/20) µs maximum (Core- 1 kA Core) Nominal pulse current Ian (10/1000) µs (Core-Core) 25 A Residual voltage at In, (conductor-conductor) ≤ 130 V Response time tA (Core-Core) ≤ 25 ns Capacity (Core-Core) Typ. 4.6 nF 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 (10 A) Connection data Connection method Screw connection (in connection with the base element) Connection type IN TERMITRAB plug-in system Connection type OUT TERMITRAB plug-in system Screw thread M3 Tightening torque 0.5 Nm Stripping length 8 mm Conductor cross section stranded min. 0.2 mm² Conductor cross section stranded max. 4 mm² Conductor cross section solid min. 0.2 mm² Conductor cross section solid max. 4 mm² Conductor cross section AWG/kcmil min. 24 Conductor cross section AWG/kcmil max 12 Connection, protective circuit Standards/regulations IEC 61643-21 Classifications eclass eCl@ss 4.0 27140201 eCl@ss 4.1 27130801 04.10.2012   Page 2 / 6

https://www.phoenixcontact.com/us/produkte/2788391 Surge protection connector - TT-UKK5-T-V-24DC-ST - 2788391 Classifications eclass 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 UNSPSC 12.01 39121610 UNSPSC 13.2 39121620 Approvals Approvals Approvals GOST / GOST Ex Approvals Approvals submitted Approval details GOST  GOST  Accessories Accessories 04.10.2012   Page 3 / 6

https://www.phoenixcontact.com/us/produkte/2788391 Surge protection connector - TT-UKK5-T-V-24DC-ST - 2788391 Accessories Assembly End cover - D-TERMITRAB-UK 5 - 2794990 Cover for setting the end of a TT-UK 5 row of terminal blocks, color: black     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     04.10.2012   Page 4 / 6

https://www.phoenixcontact.com/us/produkte/2788391 Surge protection connector - TT-UKK5-T-V-24DC-ST - 2788391 Accessories Zack marker strip - ZB 6:UNBEDRUCKT - 1051003 Zack marker strip, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm     Zack marker strip - ZB 6,LGS:L1-N,PE - 1051414 Zack marker strip, Strip, white, Labeled, Can be labeled with: Plotter, Horizontal: L1, L2, L3, N, PE, L1, L2, L3, N, PE, Mounting type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm     Zack marker strip - ZB 6,LGS:U-N - 1051430 Zack marker strip, Strip, white, Labeled, Can be labeled with: Plotter, Printed horizontally: U, V, W, N, GND, U, V, W, N, GND, Mounting type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm     Zack marker strip - ZB 6,LGS:FORTL.ZAHLEN - 1051016 Zack marker strip, Strip, white, Labeled, Can be labeled with: Plotter, Printed horizontally: Consecutive numbers 1 - 10, 11 - 20, etc. up to 491 - 500, Mounting type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm     Necessary add-on products Surge protection base element - TT-UKK5-T-BE - 2788401 TERMITRAB base element with universal foot, with screw connections on both sides.     Additional products 04.10.2012   Page 5 / 6

https://www.phoenixcontact.com/us/produkte/2788391 Surge protection connector - TT-UKK5-T-V-24DC-ST - 2788391 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 Circuit diagram 1 2 3 4 © Phoenix Contact 2012 - all rights reserved http://www.phoenixcontact.com 04.10.2012   Page 6 / 6