Supplied with main switch and busbar
No of outgoing MCB ways | Rating | Metalclad |
5 | 100A | 18MS5 |
8 | 100A | 18MS8 |
11 | 100A | 18MS11 |
14 | 100A | 18MS14 |
Supplied with RCCB incomer and busbar
No of outgoing MCB ways | Rating | Metalclad |
5 | 80A 30mA | 18MS5 |
8 | 80A 30mA | 18MS8 |
11 | 80A 30mA | 18MS11 |
14 | 80A 30mA | 18MS14 |
Install Busbar(S)
Undo the bottom terminal screws on wall MCBs, and the live terminal of the isolator and/or RCD. Insert the busbar(s) into the terminal cages. Ensure the busbar is fully inserted and then tighten all terminal screws adequately (see diagram).
Check the tightness of all screw connections, including factory made connections (see table)
Device | Max. cable capacity | Recommended tightening torque |
Main switch / RCCB | 50mm² | 2.3Nm (20 lbf-in) |
MCB | 16mm² | 1.7Nm (15 lbf-in) |
RCBO | 16mm² | 1.7Nm (15 lbf-in) |
Earth & neutral terminals | 16mm² | 1.7Nm (15 lbf-in) |