POLY-PHASE PHANTOM LOAD: MODEL 472

3 Phase, 4 wire 240V / 415V 50Hz + Earth
3 phase 10A circuit breaker used to protect the unit.
Neon indicators indicate which phase is live
Output configuration is switchable from star to delta.

3 phase, 4wire star 240V / 415V nominal.
Maximum out is 0.7A, 160VA.
The output voltage is controlled by 3 “Variacs”, and is adjustable from 0-110%.
The output is not isolated from the mains supply.

3 phase, 3 wire delta 110V nominal.
In this configuration the output from the 472 is isolated from the mains supply.
The N terminal is earthed to chassis and mains earth.
The output of VA and VC terminals is 110V nominal with respect to the N terminal.
The output voltage is controlled by 2 “Variacs” and is adjustable.