OTU3 Outlet Test Unit

Application
The Inelco International Outlet Test Unit is designed to provide the statutory Earth Leakage Test on a wide test Voltage Range, from 110 to 635VAC Single phase, and from 190 up to 1100VAC Three Phase.
Operation
Based on the system voltage the OTU3 will apply a load that would cause the exact pre-selected fault current to flow from phase to earth. It will measure the time from when the fault has been applied until the power has been interrupted at the test point.

Downloads:
OTU3 Outlet Test Unit Datasheet