Properties
| Version | Feed-through terminal block, Flat-blade connection, 2.5 mm², 500 V, 20 A, Number of connections: 4 |
| Order No. | 0478260000 |
| Type | AST 1 6.3/2.8 |
| GTIN (EAN) | 4008190003043 |
| Qty. | 50 items |
| Depth | 46 mm |
| Depth (inches) | 1.811 inch |
| Height | 58 mm |
| Height (inches) | 2.283 inch |
| Width | 6.5 mm |
| Width (inches) | 0.256 inch |
| Net weight | 10.84 g |
| Storage temperature | -25 °C...55 °C |
| Continuous operating temp., min. | -50 °C |
| Continuous operating temp., max. | 100 °C |
| Material | PA 66 |
| Colour | beige / yellow |
| UL 94 flammability rating | V-2 |
| Version |
With cable lug connection F2.8
With cable lug connection F6.3 for screwable cross-connection One end without connector |
| End cover plate required | Yes |
| Number of potentials | 1 |
| Number of levels | 1 |
| Number of clamping points per level | 4 |
| Number of potentials per tier | 1 |
| Levels cross-connected internally | No |
| PE connection | No |
| Rail | TS 32 |
| N-function | No |
| PE function | No |
| PEN function | No |
| Explosion-tested version | No |
| Installation advice | Direct mounting |
| Number of similar terminals | 1 |
| Open sides | right |
| Type of mounting | Snap-on |
| Connection type, additional connection | Flat-blade connection |
| Clamping range, max. | 2.5 mm² |
| Clamping range, min. | 0.5 mm² |
| Connection direction | top |
| Number of connections | 4 |
| Type of connection | Flat-blade connection |
| Wire connection cross section, finely stranded, max. | 2.5 mm² |
| Wire connection cross section, finely stranded, min. | 0.5 mm² |
| Certificate No. (CSA) | 12400-142 |
| Current size C (CSA) | 16 A |
| Voltage size C (CSA) | 300 V |
| Installation advice | Direct mounting |
| Rail | TS 32 |
| Standards |
IEC 61210
In accordance with IEC 60947-7-1 |
| Cable-lug connection | Slotted |
| Rated cross-section spade connector 2.8 mm | 1 mm² |
| Rated cross-section spade connector 6.3 mm | 2.5 mm² |
| Rated cross-section | 2.5 mm² |
| Rated voltage | 500 V |
| Rated DC voltage | 500 V |
| Rated current | 20 A |
| Current at maximum wires | 20 A |
| Standards |
IEC 61210
In accordance with IEC 60947-7-1 |
| Volume resistance according to IEC 60947-7-x | 1.33 mΩ |
| Rated impulse withstand voltage | 6 kV |
| Power loss in accordance with IEC 60947-7-x | 0.77 W |
| Pollution severity | 3 |
| Certificate No. (UR) | E60693 |
| Current size C (UR) | 13 A |
| Voltage size C (UR) | 300 V |
| Approval/Certificate/Document of Conformity |
[DNVGL certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_152132)
[Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_36607) [UKCA declaration of conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_284523) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_59157) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.0478260000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=0478260000) |
| WSCAD Universe | [WSCAD data](https://wscaduniverse.com/part-detail?manufacturerId=88&type=0&partNumber=0478260000&norm=0) |
| User Documentation | [StorageConditionsTerminalBlocks](https://mdcop.weidmueller.com/mediadelivery/asset/900_87149) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| ETIM 6.0 | EC000897 |
| ETIM 7.0 | EC000897 |
| ETIM 8.0 | EC000897 |
| ETIM 9.0 | EC000897 |
| ECLASS 9.0 | 27-14-11-20 |
| ECLASS 9.1 | 27-14-11-20 |
| ECLASS 10.0 | 27-14-11-20 |
| ECLASS 11.0 | 27-14-11-20 |
| ECLASS 12.0 | 27-14-11-20 |
| ECLASS 13.0 | 27-25-01-01 |
| Approvals |      |
| ROHS | Conform |
| UL File Number Search | [UL Website](LINK/UL_search.html) |
| Certificate No. (UR) | E60693 |
Accessories
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Item No.:1011320000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, white
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Item No.:0266400000Packaging unit:20 PC
End plate (terminals), 58 mm x 1.5 mm, dark beige
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Item No.:1609840000Packaging unit:900 PC
Dekafix, Terminal marker, 5 x 6.5 mm, Pitch in mm (P): 6.50 Weidmueller, white
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Item No.:2007120000Packaging unit:600 PC
Dekafix, Terminal marker, 5 x 6 mm, Weidmueller, white
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Item No.:0206160000Packaging unit:50 PC
End bracket, Wemid, beige, Rail: TS 32, when screwed in
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Item No.:0336800000Packaging unit:50 PC
Cross-connector (terminal), when screwed in, Number of poles: 3, Pitch in mm (P): 6.00, Insulated: No, 32 A, grey
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Item No.:0336900000Packaging unit:50 PC
Cross-connector (terminal), when screwed in, Number of poles: 4, Pitch in mm (P): 6.00, Insulated: No, 32 A, grey
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Item No.:0336700000Packaging unit:50 PC
Cross-connector (terminal), when screwed in, Number of poles: 2, Pitch in mm (P): 6.00, Insulated: No, 32 A, grey
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Item No.:0368800000Packaging unit:20 PC
Cross-connector (terminal), when screwed in, Number of poles: 10, Pitch in mm (P): 6.00, Insulated: No, 32 A, grey
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Item No.:1238290000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, blue
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Item No.:1238310000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, green
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Item No.:1238330000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, grey
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Item No.:1609820000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, white
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Item No.:1238280000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, yellow
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Item No.:1912090000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, orange
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Item No.:1609801044Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 5 mm, Pitch in mm (P): 5.00 Weidmueller, white
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Item No.:1609830000Packaging unit:200 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, To customer specification
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Item No.:1038650000Packaging unit:200 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, To customer specification
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Item No.:2007130000Packaging unit:500 PC
Dekafix, Terminal marker, 5 x 8 mm, Weidmueller, white
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Item No.:1609850000Packaging unit:180 PC
Dekafix, Terminal marker, 5 x 6.5 mm, Pitch in mm (P): 6.50 Weidmueller, To customer specification
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Item No.:0474700000Packaging unit:20 PC
Partition plate (terminal), Intermediate plate, 65 mm x 60 mm, dark brown
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Item No.:0319160000Packaging unit:100 PC
Small partition (terminal), PA 66, beige, Continuous operating temp., max.: 100 °C