The Rackmaster 260 and Rackmaster 290 dimmer packs are 2U high fan-cooled, professional, six-channel power controllers. The 260 is capable of driving up to 10 amps of lighting loads per channel and the 290 is capable of driving 16 amps of lighting loads per channel, subject to a maximum load of 84 amps.

The Rackmaster 490 dimmer pack is a 4U high fan-cooled, professional, six-channel power controller. It is capable of driving up to 16 amps of lighting loads per channel, subject to a maximum load of 84 amps.

The Rackmaster 660 dimmer pack is a 6U high-professional, six-channel power controller, capable of driving up to 10 amps of lighting loads per channel.