RA121-XT-230V

RA121-XT-230V Rack Dimmer

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The RA121-XT-230V is a 12-channel architectural rack-mount dimming system with terminal/barrier strip output connections, designed for permanent lighting installations requiring dependable forward phase dimming, integrated scene recall, and flexible architectural lighting control. Ideal for churches and houses of worship, theaters, schools, conference spaces, and other multi-purpose venues, the RA121-XT-230V combines professional dimming performance with built-in architectural control functionality in a compact 19-inch rack-mount chassis.

Key Features

• 12 channels, 1200W per channel (14,400W total)
• Forward phase dimmed 230VAC output with non-dim (relay type) capability
• Compatible with Unity Architectural Lighting Control systems (LitNet)
• DMX-512 lighting control compatibility
• Hardwired terminal input
• Hardwired terminal output
• Integrated 100 scene memory
• Contact closure input support
• Supports incandescent, halogen, fluorescent, and LED fixtures
• Fast-acting magnetic circuit breakers
• Optimal Smart Fan control to minimize noise
• 19-inch rack-mount design
• UL-508 compliant

The RA122 supports DMX-512 control, architectural remote stations, and contact closure operation for flexible system integration across installed lighting environments. Integrated scene memory allows lighting presets to be stored and recalled without requiring a dedicated lighting console, making the system well suited for both everyday architectural operation and performance-based applications.

Designed as part of the Lightronics Unity Architectural Lighting platform, the RA121-XT-230V communicates with compatible remote stations over the Lightronics Unity Architectural System (LitNet) using an RS-485 architectural control bus. This allows lighting control access from multiple locations throughout a facility while supporting scheduled operation, backup scene playback, and simplified day-to-day lighting management.

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 RA121-XT-230V operates on 230VAC 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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