California Instruments 180-264VAC, 3-Phase L-L (3-wire + Ground), 4.5 kVA to 18 kVA base models only
The AST-C is an input voltage configuration option for California Instruments AST Series programmable AC power sources. Specifically, the AST-C option enables the use of a 180-264VAC, 3-phase line-to-line (3-wire plus ground) input connection for AST Series base models with power ratings from 4.5 kVA to 18 kVA. This configuration is designed to accommodate facilities with 3-phase power distribution within the specified voltage range, ensuring compatibility and optimal performance of the AST Series power sources. The AST-C option is factory-installed and must be specified at the time of order. It is not field-upgradable and is only applicable to the designated base models within the AST Series product line.