Consumer unit labels circuits numbered right to left, main switch & RCD

Consumer unit labels circuits numbered left to right, main switch & RCD.

VOLEX 100AMP DP MAIN SWITCH 100A VSW100 ISOLATOR DISCONNECTOR

Lorlin Rotary Mains DPST on/off switch 4A 250Vac Max 1/4" Spindle D Flat 7g CC09

Wylex 40A 2 Pole Mains Isolator Switch WS402

Lorlin Rotary Mains DPST on/off switch 4A 250Vac Max 6mm Spindle Round 9g CQ10

Lorlin Rotary Mains DPST on/off switch 4A 250Vac Max 6mm Spindle Round 9g CG02

Volex MCB B32 VB32