Telergon Changeover switch, size 1, 3-pole, 400AChangeover switches on load, are available from 200 to 400A in 3P 3P+N & 4P versions under request on order. Motorized kit available. Rated breaking current of up to 8 times the rated operational current, whit ability to establish and support short circuit currents up to 100kA. Uninterrupted duties in extreme tropic and polar conditions, as well as the polluted environment of any industrial process. Protection against accidental over voltages in