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Philips Strand
A21 Dimmer Systems

Only available in Americas

Designed to be  flexible and can be tailored to architectural or entertainment applications.

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.
Philips Strand A21 Dimming Systems

Key features and benefits

A21 features standard SCR and quiet IGBT dimmer modules that are simple to install and configure.
DMX512 input
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
Vision.net Architectural control
ShowNet Ethernet Network option
Convection cooled

Experiences this product supports

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