A21 Dimmer Cabinets - pre-wired enclosures that contains the power modules, a control processor module, internal wiring and load, supply, and control terminations. Three cabinet sizes are available for 3, 6 or 9 power modules.

    A21 Power Modules - Dual and quad power modules are available in a variety of ratings for incandescent/inductive (low voltage, neon, and cold cathode), fluorescent, and non-dim loads.


    • A21 features standard SCR and quiet IGBT dimmer modules that are simple to install and configure
    • DMX512 inputdrogas
    • All dimmers feature a diagnostic LED indicator to show dimmer status
    • A main breaker option is available on 6 and 9 module cabinets
    • 120 or 277 volt operation UL924 Emergency option ETL and cETL listed
    • Modules support incandescent, LED, neon, cold cathode, magnetic low-voltage, electronic low-voltage, PowerSpec HDF, Mark 7, Mark 10, three-wire fluorescent, and non-dim loads
    • IGBT and Standard SCR dimmer modules are available for dimming a wide range of loads
    • Fully digital control electronics
    • Local controls are provided on each module for set up and testing
    • Architectural control
    • ShowNet Ethernet Network option
    • Convection cooled

    Product Summary, Documentation and Downloads