Square Type Moving Coil Power Meter Accuracy:class 1.5 Current:1A or 5A Voltage:50V,100V,240V,380V...240/415V...... Square Type ... 3, SF-96-3, SF-72-3, SF-48-3.2) Varmeter Model: 90°SF-144-3, SF-96-3, SF-72-3, SF-48-3.> Analog panel meter ... connected with potential transformer in three-phase four-wire system, please specify line voltage or phase voltage. External converter of din rail mounting ...