RD121-ST-230V

The RD121-ST-230V (International) is a 12-channel rack-mount dimming system with Stagepin output connections, designed for permanent lighting installations requiring reliable forward phase dimming and non-dim (relay type) control, with 8 built-in chase scenes. It supports DMX-512 control and has 1 programmable local scene. Rated at 1200 watts per channel with a total system capacity of 14,400 watts, the RD121-ST-230V is well suited for churches and houses of worship, theaters, schools, conference spaces, and other multi-purpose venues requiring scalable installed lighting control.

Technical Documentation

Additional information

Weight 27 lbs
Dimensions 19 × 13 × 3.5 in
Communication Protocol

Channels

Wattage Per Channel

Load Control Type

Unity Architectural Lighting Enabled (LitNet)

Load Voltage

Line Voltage

Output Power Type

Mount Type

UL-Listing

Programming Type

Product Details

RD121-ST-230V Rack Dimmer

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The RD121-ST-230V (International) is a 12-channel rack-mount dimming system with Stagepin output connections, designed for permanent lighting installations requiring dependable forward phase dimming, integrated scene recall, and 8 built-in chase scenes. Ideal for churches and houses of worship, theaters, schools, conference spaces, and other multi-purpose venues.

Key Features

  • 12 channels, 1200W per channel (14,400W total)
  • Forward phase dimmed 230VAC output with non-dim (relay type) capability
  • 8 Built-in chase scenes
  • DMX-512 lighting control compatibility
  • Hardwired terminal input
  • Stagepin output connections
  • Integrated 1 scene memory
  • Contact closure input support
  • Supports incandescent, halogen, fluorescent, and LED fixtures
  • Fast-acting magnetic circuit breakers
  • 19-inch rack-mount design
  • UL-508 compliant

The RD121 supports DMX-512 control and contact closure operation for flexible system integration across installed lighting environments. With 8 integrated chase scenes,  it allows simple operation of multiple lighting presets without requiring a dedicated lighting console, making the system well suited for everyday operation. It also includes 1 local programmable scene for simple operation at the unit.

Each channel provides 1200 watts of forward-phase dimming capacity and is protected by fast-acting magnetic circuit breakers for dependable long-term operation. Designed for use with incandescent and compatible dimmable fixture types, the RD121-ST-230V operates on 230VAC single-phase power systems with 60A per leg. Its rack-mount construction, architectural integration capabilities, and high-capacity dimming performance make it a reliable solution for demanding permanent installation environments.

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