1.1-phase, 1-line metering 2.Current metering 3.CTs for 1A or 5A 4.RS485 MODBUS port Product description The IM48A panel meter offers high-performance measurement capabilities needed to monitor an electrical installation in a compact 48*48*80 mm unit. The meter's easy-to-read LED display lets you view the parameter easily. IM48A Details: Panel-mount,LED display 4-dgt1-phase, 1-line metering, ...