Early Switchboard Parts
Page 6 - Switchgear
A lightweight selector switch for metering etc.
Picture below shows the spring contacts etc.
Picture of the contacts and springs. All rather open and liable to get dirty.
Base diameter is 120mm.
Single pole change-over with quick-breaks fitted on both sides of the blade.
Another view of the same switch with the contacts just opening
but the quick-break mechanism is still making the circuit.
Base is 250mm X 60mm.
Small 3-pole make and break, fitted with quick-breaks.
Base is 85mm X 90mm, rating is 10A.
Same as above, but with the contacts in the about to break position.