| Manufacturer part number (MPN) | A9XPH557 |
| EAN / GTIN | 3606480485190 |
| Sales unit | pcs |
| Package quantity | 5 pcs |
| Number of poles | 4 |
| Range | Acti9 |
| Product or component type | Comb busbar |
| mounting mode | Horizontal |
| Accessory / separate part category | Connection accessory |
| Lines description | 3L + N |
| Length in 18 mm modules | 57 |
| Standards | EN/IEC 61439-1 |
| Number of ways | 28 ways N + L |
| Distribution type | N L1 N L2 N L3 |
| Poles configuration for 1 way | 1 x 1P + N; 1 x 2P |
| Connection pitch | 18 mm |
| Connector type | Tooth |
| Distance between way | 36 mm |
| Marking | N L1 N L2 N L3 |
| Insulation | Insulated |
| Device presentation | Cuttable |
| [Ie] rated operational current | 100 A at 40 °C |
| [Ue] rated operational voltage | 415 V AC |
| [Ui] rated insulation voltage | 500 V AC conforming to IEC 61439-2 |
| Mounting location | Top or bottom on tunnel type terminals; Top or bottom on double terminal |
| 9 mm pitches | 114 |
| Width | 1000 mm |
| Colour | White (RAL 9003) |
| Range compatibility | Acti9 iC60; Acti9 iK60; Acti9 iID; Acti9 iID K; Acti9 iSW; Acti9 iSW-NA; Multi9 C60 |
| Fire resistance | 960 °C ( 30 s ) conforming to IEC 60695-2-1 |
| Pollution degree | 3 conforming to IEC 60947-7-1 |
| IP degree of protection | IP20 with end-pieces and tooth covers |
| Number of Units in Package 1 | 1 |
| Number of Units in Package 2 | 5 |
| Number of Units in Package 3 | 270 |
| Country of origin | DE |
| Warranty (in months) | 18 |
| Number of phases | 3 |
| Cross section | 16 mm² |
| Rated permanent current Iu | 100 A |
| Length | 1000 mm |
| Width in number of modular spacings | 57 |
| Type of electric connection | Pin |
| Suitable for number of devices | 28 |
| Max. rated operation voltage Ue | 415 V |
| Module width | 18 mm |