... 1000A B500, compact typeProduct Descriptions1. Application:It is applied to power plant, substation as a relay protection, breaker control, emergency ... 220V, 320V.C) Output current DC: 25A ~ 1000AD) Battery capacity: 7Ah~3000AhE) DC voltage accuracy: -0.5%~+0.5%F ... PLC, color LCD human- machine interface, monitoring devices for battery and insulation. CE Approved High Voltage DC Power Supply (DCB500)