Acti9
Schneider Electric catalog image for this SKU; may represent the product family.
COMB BUSBAR
Acti 9 - comb busbar - 1L+N with Aux - 18 mm pitch - 57 modules - 100A
SKU A9XAH257Schneider Electric A9XAH257 is a comb busbar in the Acti9 range. Key specifications include mounting mode: Horizontal; operational voltage: 415 V AC; ip protection: IP20 with end-pieces and tooth covers.
HorizontalMounting mode
415 V ACOperational voltage
IP20 with end-pieces and tooth coversIP protection
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | A9XAH257 |
|---|---|
| Range | Acti9 |
| Product or component type | Comb busbar |
| Mounting mode | Horizontal |
| Accessory / separate part category | Connection accessory |
| Lines description | 1L + N |
| Length in 18 mm modules | 57 |
| Standards | EN/IEC 61439-1 |
| Number of ways | 22 ways Aux + N + 1 L |
| Distribution type | Aux N L |
| Poles configuration for 1 way | 1 x 1P + N 1 x 2P |
| Connection pitch | 18 mm |
| Connector type | Tooth |
| Distance between way | 45 mm |
| Marking | N L |
| Insulation | Insulated |
| Device presentation | Cuttable |
| Provided equipment | Set of 10 end piece |
| [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 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.