Sierra ignition barrel and current

[davidimurray]

Just doing some more tidying up and sorting out on my wiring diagram. I calculate that with my circuit, the max current that will be drawn through the ignition barrel in position 2 is 50Amps. This sounds a lot to me - can the ignition switch take that sort of current?

I've worked it out by taking the fuse ratings for -
20A - Indicator,Reverse & Handbrake Lights
10A - LHS Sidelights, Tailights & Number Plate
10A - RHS Sidelights, Tailights
10A - Brake Lights & Dash

On the permanent live side of things, the load is 120A max excluding the starter.