The Electrical Test Instruments PI-1600 Circuit Breaker Test System incorporates modular design and flexibility to provide unequaled capability in a portable package. The PI-1600 test set is two test sets in one. The PI-800 section can be used alone, on 120 or 240 VAC supplies, generates continuous current of 400, 800, amps at 4.2 kVA, with peak output to over 10x. The units are housed in rugged interlocking suitcase-size enclosures. Each piece weighs no more than 125 pounds, allowing one person hand truck mobility. Basic operation is very simple, and the proven MAC-20 instrumentation provides optimal output control and measurement. The PI-1600 consists of a strong aluminum frame, housed in a rugged plastic and aluminum enclosure with removable sealed front and back lids. Comfortable recessed side handles provide ease of handling and mobility. All controls, indicators, and input connections are on the front panel.