... good services. frequency inverter (UPS) A700 Series FR-A740-2.2K-CHTFR-A740-0.4K-CHTFR-A740-0.75K-CHTFR-A740 ... -1.5K-CHTFR-A740-2.2K-CHTFR-A740-3.7K-CHTFR-A740-5.5K-CHTFR-A740 ... -E720S-0.75K-CHTFR-E720S-1.5K-CHTFR-E720S-2.2K-CHT-[ FR-E720 series, 3-phase 220V 50HZ grade, lightweight ... -D720S-0.75K-CHTFR-D720S-1.5K-CHTFR-D720S-2.2K-CHT-[FR-D720 series, 3-phase 220V 50HZ grade, Simple ...