https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 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) Component terminal block, Connection type: Spring-cage connection, Cross section: 0.08 mm - 4 mm, AWG: 28 - 12, Nominal current: 22 A, Nominal voltage: 500 V, Length: 67.5 mm, Width: 5.2 mm, Color: gray, Assembly: NS 35/7,5, NS 35/15 Product Features For more versions and versions for soldering in components yourself, visit phoenixcontact.net/products Double-level diode and LED terminal blocks perform a wide range of switching tasks Key commercial data Packing unit 11 Weight per Piece (excluding packing) 11.03 GRM Custom tariff number 85369010 Country of origin Poland Technical data General Number of levels 2 Number of connections 4 Color gray Insulating material PA Inflammability class according to UL 94 V0 Maximum load current 26 A (with 4 mm conductor cross section) Rated surge voltage 4 kV Pollution degree 3 Surge voltage category III Insulating material group I Nominal current IN 22 A Nominal voltage UN 500 V (the operating voltage is determined by the selected LED version) Open side panel ja Dimensions 19.11.2013 Page 1 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Technical data Dimensions Width 5.2 mm Length 67.5 mm Height NS 35/7,5 47.5 mm Height NS 35/15 55 mm Connection data Conductor cross section solid min. 0.08 mm Conductor cross section solid max. 4 mm Conductor cross section AWG/kcmil min. 28 Conductor cross section AWG/kcmil max 12 Conductor cross section stranded min. 0.08 mm Conductor cross section stranded max. 2.5 mm Min. AWG conductor cross section, stranded 28 Max. AWG conductor cross section, stranded 16 Conductor cross section stranded, with ferrule without plastic sleeve min. 0.14 mm Conductor cross section stranded, with ferrule without plastic sleeve max. 2.5 mm Conductor cross section stranded, with ferrule with plastic sleeve min. 0.14 mm Conductor cross section stranded, with ferrule with plastic sleeve max. 2.5 mm 2 conductors with same cross section, stranded, TWIN ferrules with plastic 0.5 mm sleeve, max. Connection method Spring-cage connection Stripping length 10 mm Internal cylindrical gage A3 Classifications eCl@ss eCl@ss 4.0 27141127 eCl@ss 4.1 27141127 eCl@ss 5.0 27141127 eCl@ss 5.1 27141127 eCl@ss 6.0 27141127 eCl@ss 7.0 27141127 eCl@ss 8.0 27141127 ETIM ETIM 2.0 EC000903 ETIM 3.0 EC000903 19.11.2013 Page 2 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Classifications ETIM ETIM 4.0 EC000903 ETIM 5.0 EC000903 UNSPSC UNSPSC 6.01 30211811 UNSPSC 7.0901 39121410 UNSPSC 11 39121410 UNSPSC 12.01 39121410 UNSPSC 13.2 39121410 Approvals Approvals Approvals UL Recognized / cUL Recognized / GOST / GOST / cULus Recognized Ex Approvals Approvals submitted Approval details UL Recognized B C D mm/AWG/kcmil 28-12 28-12 28-12 Nominal current IN 20 A 20 A 5A Nominal voltage UN 300 V 300 V 600 V B C D 28-12 28-12 28-12 cUL Recognized mm/AWG/kcmil 19.11.2013 Page 3 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Approvals B C D Nominal current IN 20 A 20 A 5A Nominal voltage UN 300 V 300 V 600 V GOST GOST cULus Recognized Accessories Accessories Bridge Plug-in bridge - FBS 20-5 - 3030226 Plug-in bridge, Number of positions: 20, Color: red Plug-in bridge - FBS 10-5 - 3030213 Plug-in bridge, Number of positions: 10, Color: red 19.11.2013 Page 4 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories Plug-in bridge - FBS 5-5 - 3030190 Plug-in bridge, Number of positions: 5, Color: red Plug-in bridge - FBS 4-5 - 3030187 Plug-in bridge, Number of positions: 4, Color: red Plug-in bridge - FBS 3-5 - 3030174 Plug-in bridge, Number of positions: 3, Color: red Plug-in bridge - FBS 2-5 - 3030161 Plug-in bridge, Number of positions: 2, Color: red Plug-in bridge - FBS 50-5 - 3038930 Plug-in bridge, Number of positions: 50, Color: red Documentation 19.11.2013 Page 5 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories Mounting material - ST-IL - 3039900 Operating decal for the ST terminal block End block End clamp - CLIPFIX 35 - 3022218 Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color: gray End clamp - CLIPFIX 35-5 - 3022276 Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, with parking option for FBS...5, FBS...6, KSS 5, KSS 6, width: 5.15 mm, color: gray End clamp - E/NS 35 N - 0800886 End clamp, width: 9.5 mm, color: gray End clamp - E/UK - 1201442 End clamp, for assembly on NS 32 or NS 35/7.5 DIN rail 19.11.2013 Page 6 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories End clamp - E/UK 1 - 1201413 End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray End cover End cover - D-STTB 2,5 - 3030459 End cover, Length: 67.5 mm, Width: 2.2 mm, Height: 47.5 mm, Color: gray Insulating sleeve Insulation stop sleeve - ISH 2,5/0,2 - 3002843 Insulation stop sleeve, Color: white Insulation stop sleeve - ISH 2,5/0,5 - 3002856 Insulation stop sleeve, Color: gray Insulation stop sleeve - ISH 2,5/1,0 - 3002869 Insulation stop sleeve, Color: black 19.11.2013 Page 7 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories Labeled terminal marker Zack Marker strip, flat - ZBF 5 CUS - 0825025 Zack Marker strip, flat, Can be ordered: Strip, white, Labeled according to customer specifications, Mounting type: Snap into flat marker groove, For terminal block width: 5 mm, Lettering field: 5.15 x 5.15 mm Marker for terminal blocks - UC-TMF 5 CUS - 0824638 Marker for terminal blocks, Can be ordered: By sheet, white, Labeled according to customer specifications, Mounting type: Snap into flat marker groove, For terminal block width: 5.2 mm, Lettering field: 4.6 x 5.1 mm Marker for terminal blocks - UCT-TMF 5 CUS - 0829658 Marker for terminal blocks, Can be ordered: By sheet, white, Labeled according to customer specifications, Mounting type: Snap into flat marker groove, For terminal block width: 5.2 mm, Lettering field: 4.4 x 4.7 mm Marker carriers Marker carriers - STP 5-2 - 0800967 Double marker carrier, snaps onto the double-level spring-cage terminal block STTB 2.5 and STTB 4, labeled with ZB 5 or ZBF 5 Mounting rail 19.11.2013 Page 8 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories DIN rail perforated - NS 35/ 7,5 PERF 2000MM - 0801733 DIN rail, material: steel galvanized and passivated with a thick layer, perforated, height 7.5 mm, width 35 mm, length: 2000 mm DIN rail - NS 35/ 7,5 UNPERF 2000MM - 0801681 DIN rail, material: Steel, unperforated, height 7.5 mm, width 35 mm, length: 2 m DIN rail - NS 35/ 7,5 WH PERF 2000MM - 1204119 DIN rail 35 mm (NS 35) DIN rail - NS 35/ 7,5 WH UNPERF 2000MM - 1204122 DIN rail 35 mm (NS 35) DIN rail, unperforated - NS 35/ 7,5 AL UNPERF 2000MM - 0801704 DIN rail, unperforated, Width: 35 mm, Height: 7.5 mm, Length: 2000 mm, Color: silver 19.11.2013 Page 9 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories DIN rail - NS 35/ 7,5 ZN PERF 2000MM - 1206421 DIN rail, material: Galvanized, perforated, height 7.5 mm, width 35 mm, length: 2 m DIN rail - NS 35/ 7,5 ZN UNPERF 2000MM - 1206434 DIN rail, material: Galvanized, unperforated, height 7.5 mm, width 35 mm, length: 2 m DIN rail - NS 35/ 7,5 CU UNPERF 2000MM - 0801762 DIN rail, material: Copper, unperforated, height 7.5 mm, width 35 mm, length: 2 m End cap - NS 35/ 7,5 CAP - 1206560 DIN rail end piece, for DIN rail NS 35/7.5 DIN rail perforated - NS 35/15 PERF 2000MM - 1201730 DIN rail, material: steel galvanized and passivated with a thick layer, perforated, height 15 mm, width 35 mm, length: 2000 mm 19.11.2013 Page 10 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories DIN rail - NS 35/15 UNPERF 2000MM - 1201714 DIN rail, material: Steel, unperforated, height 15 mm, width 35 mm, length: 2 m DIN rail - NS 35/15 WH PERF 2000MM - 0806602 DIN rail 35 mm (NS 35) DIN rail - NS 35/15 WH UNPERF 2000MM - 1204135 DIN rail 35 mm (NS 35) DIN rail, unperforated - NS 35/15 AL UNPERF 2000MM - 1201756 DIN rail, deep drawn, high profile, unperforated, 1.5 mm thick, material: aluminum, height 15 mm, width 35 mm, length 2000 mm DIN rail - NS 35/15 ZN PERF 2000MM - 1206599 DIN rail, material: Galvanized, perforated, height 15 mm, width 35 mm, length: 2 m 19.11.2013 Page 11 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories DIN rail - NS 35/15 ZN UNPERF 2000MM - 1206586 DIN rail, material: Galvanized, unperforated, height 15 mm, width 35 mm, length: 2 m DIN rail - NS 35/15 CU UNPERF 2000MM - 1201895 DIN rail, material: Copper, unperforated, 1.5 mm thick, height 15 mm, width 35 mm, length: 2 m End cap - NS 35/15 CAP - 1206573 DIN rail end piece, for DIN rail NS 35/15 DIN rail - NS 35/15-2,3 UNPERF 2000MM - 1201798 DIN rail, material: Steel, unperforated, 2.3 mm thick, height 15 mm, width 35 mm, length: 2 m Partition plate Partition plate - ATP-STTB 4 - 3030747 Partition plate, Length: 88.7 mm, Width: 2 mm, Height: 53 mm, Color: gray 19.11.2013 Page 12 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories Screwdriver tools Screwdriver - SZF 1-0,6X3,5 - 1204517 Actuation tool, for ST terminal blocks, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm, 2component grip, with non-slip grip Terminal marking Zack Marker strip, flat - ZBF 5:UNBEDRUCKT - 0808642 Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat marker groove, For terminal block width: 5 mm, Lettering field: 5.1 x 5.2 mm Marker for terminal blocks - UC-TMF 5 - 0818153 Marker for terminal blocks, Sheet, white, Unlabeled, Can be labeled with: BLUEMARK CLED, BLUEMARK LED, Plotter, Mounting type: Snap into flat marker groove, For terminal block width: 5.2 mm, Lettering field: 4.6 x 5.1 mm Marker for terminal blocks - UCT-TMF 5 - 0828744 Marker for terminal blocks, Sheet, white, Unlabeled, Can be labeled with: THERMOMARK CARD PLUS, THERMOMARK CARD, BLUEMARK CLED, BLUEMARK LED, Mounting type: Snap into flat marker groove, For terminal block width: 5.2 mm, Lettering field: 4.4 x 4.7 mm Test plug terminal block 19.11.2013 Page 13 / 14 https://www.phoenixcontact.com/us/products/3031623 Component terminal block - STTB 2,5-LA230 - 3031623 Accessories Test adapter - PAI-4-N GY - 3032871 Test adapter, Color: gray (c) Phoenix Contact 2013 - all rights reserved http://www.phoenixcontact.com 19.11.2013 Page 14 / 14