The Schneider Electric A9XPP712 is a cuttable comb busbar from the Acti9 range, configured as 3P+N balanced with a 9 mm pitch between phase and neutral and 18 mm between phases. It spans 12 modules (218 mm width) and is rated for 63 A at 40 °C ambient, with a rated operational voltage of 230 V AC phase-to-neutral and 400 V AC phase-to-phase. The busbar distributes power across four ways (N N L2 N L3) in a horizontal mounting orientation, using screw terminals and tooth-type connectors. It is designed for top mounting on tunnel-type terminals within Acti9 distribution boards.
The 63 A rated operational current at 40 °C defines the continuous load the busbar can carry in a typical panel environment. For higher ambient temperatures, derating applies per IEC 61439-1 — the standard this busbar complies with. The rated insulation voltage of 440 V AC and impulse withstand voltage of 4 kV confirm the busbar is suitable for 400 V three-phase systems with adequate clearance and creepage margins. The 9 mm pitch between phase and neutral terminals matches the standard spacing of Acti9 miniature circuit breakers and residual current devices, ensuring direct mechanical and electrical connection without adapters. The 18 mm spacing between phases accommodates the wider footprint of 3P devices.
This busbar is intended for horizontal mounting inside Acti9 distribution boards, connecting the line-side terminals of DIN-rail mounted devices. It is cuttable to length, allowing the installer to trim off unused modules for a clean fit in smaller enclosures. With IP20 protection when end-pieces and tooth covers are fitted, it is suitable for installation inside a closed panel. The white RAL 9003 finish matches the standard Acti9 aesthetic.