... Sine, Square, Step waveDescription The 3250 series AC&DC Load Module is suitable for Sine, Square ... an idea testing solution for UPS, AVR, D/A inverter, especially for step or square ... throughput.3250 Series are suitable for AC/DC, DC/DC, DC/AC testing, UPS output loading test, ... DC, 40~70Hz Power Transformer, and can be parallel more units for higher power, R&D ...