E-Mon D-Mon Class 2000 kWh/demand submeter is rated at 400-Amps and 120/208 - 240-Volts. It measures 6-3/4-Inch x 5-3/16-Inch x 3-1/4-Inch. This 3-Phase 3-/4-Wire submeter direct read 2-line alphanumeric LCD display. It has industrial-grade JIC steel enclosure with padlocking hasp and mounting flanges for indoor installation. The patented 0 - 2-Volt output split-core current sensors on the submeter promote enhanced safety and accurate remote mounting. It includes three split-core three sets of current sensors for cumulative reading. This submeter is ideal for indoor use. Submeter is UL/cUL listed.