Landis & Gyr Trivector meter, Made in the U.K.
This meter measures kWh, kVAh and kVARh.
Full electromechanical design.
The meter is CT operated at 5 Ampères per phase and had a multiplier of 640.
The primary busbars were 3200 Ampères.
The Trivector meter was still in service in 1995 when it was replaced by solid state T.O.U. metering.