Overview

ETC’s Unison DRd Series Rack Enclosures are the workhorses behind the scenes, supporting two processor options and a variety of dimming, switching and option modules. DRd Rack Enclosures are trusted for their reliability and versatility.

Applications

• Houses of worship
• Hotels
• Convention centers
• Theatres
• Schools
• Restaurants

Features

• All-On: clearly marked switch allows for all loads to be turned on to full, without the need for a control processor
• HighFault: protection from power spikes and surges with short-circuit current ratings from 22,000 amps
• Regulation: monitoring and adjustment of incoming line voltage with min and max scale voltages
• Bypass: emergency lighting control bypass input with load shedding
• Hold Last Look: dimming engine holds the last output during any loss of control
• QuickBoot: dimming engine boot time of less than four seconds
• HiRes Dimming: support for 16-bit DMX and over 65,000 steps of dimming

Specifications

GENERAL

• DRd rack enclosures available in two sizes: DRd6 with support for six modules and up to 12 circuits and DRd12 with support for 12 modules and up to 24 circuits
• Full eight-year warranty

FUNCTIONAL

• High-density dimming for incandescent, fluorescent, neon, cold cathode, electronic and magnetic low-voltage transformer load types
• 16-bit DMX input
• Designed for reliable, continuous operation

MECHANICAL

• Welded 18-gauge formed steel construction
• Surface- or floor-stand mount
• Hinged, lockable full-height door with electrostatic air filter
• Fine-textured, scratch-resistant epoxy paint
• Integral low-voltage fan
• Modular control electronics

ELECTRICAL

• UL Models
  • 120/208 V Three Phase, Four Wire + Ground
    • Supports Voltages down to 100/170 V Nominal
  • 120/240 V Bi-Phase, Three Wire + Ground supported using reconfigurable bus bars
    • 277/480 V Three Phase, Four Wire + Ground
    • Supports Voltages down to 240/415 V Nominal
    • Voltage tolerance ± 10%
• Single-Pole, Neutral Disconnect or Residual Current Device (RCD) per dimmer
• Operating frequency: 50–60 Hz
• DRd6/DRd12 Rack Enclosure fault current protection:
• • • 22,000 A Short Circuit Current Withstand

THERMAL

• Ambient room temperature: 0°C to 40°C (32°F to 104°F)
• Ambient humidity: 10%–90%, non-condensing

REGULATORY AND COMPLIANCE

• All enclosures are cULus Listed
• UL 924 Listed