Product Description
ETC AD20 Dual AD20 5.5KW Dimmer Module 277V
UnisonModules are hard at work in venues across the globe. They come in voltages for every need: 120V, 230V, 240V and 277V. Designed specifically for use in Unison DRd Series enclosures, these modules are heavy-duty, high-grade commercial dimmers. Each module uses fully-rated magnetic breakers and is UL-Listed for continuous duty at five, ten, 15 or 20 amp capacities. Unison modules handle dimming silently, across a variety of loads. Unison lets you decide what fits your load requirements: Universal modules are available for incandescent, magnetic low-voltage, two- and four-wire fluorescent, neon, cold-cathode, or switched loads, or in specialized modules, such as, three-wire fluorescent, relay, or constant current. Reverse-phase (trailing edge) dimming of electronic transformer loads is available with the electronic low-voltage dimming module series, and it works on a module-by-module basis, in line with forward-phase (leading edge) dimming.
General Informat i o n
The Standard Dimmer Module is designed for use in Unison Dimming Series Enclosures. Standard Dimmer Modules provide cost-effective digital forward phase angle dimming for standard loads such as incandescent, low voltage, quartz, neon, cold-cathode and 2 and 4-wire fluorescent ballasts. The patented, high-density, dual modules feature modular installation and removal, fully magnetic circuit breakers and standard or enhanced risetime toroidal filters.
APPLICATIONS • Designed for use in 277V Unison DRd rack enclosures • Incandescent lighting • Low voltage lighting • Quartz lighting • Neon lighting • Cold Cathode lighting • 2-wire Fluorescent ballast • 4-wire Fluorescent ballast (with FLO Option Board) • DALI ballast (with DALI Option Board)
FEATURES • Two 15A or 20A dimmers per module • Standard risetime toroidal filters • High-density modular assembly • Die-cast aluminum chassis • Fully magnetic circuit breakers
General • 65,000A Short Circuit Current Rating (SCCR) • UL and cUL LISTED
O r d e r i n g i nformat i o n
277 Volt Standard Dimmer Modules
Model Description
- AD15 Dual 15A Dimmer Module, 277V
- AD20 Dual 20A Dimmer Module, 277V
Compatible Systems*
Model Description
- DRd6-12-277 277V 6 module rack enclosure (12 circuits)
- DRd12-24-277 277V 12 module rack enclosure (24 circuits)
- * Rack enclosures also available for 100-120, 230 and 240 Volt applications
specifications
GENERAL • UL and cUL Listed for continuous duty at 100% of rated load - AD15 – 4.1kW - AD20 – 5.5kW
PHYSICAL • Modular plug-in assemblies • Cast aluminum chassis, finished with textured epoxy paint
CIRCUIT BREAKERS • Fully magnetic to eliminate nuisance tripping • 20x inrush current rating • 125%, 10-120 seconds, must-trip rating • Rated for 100% switching duty applications
Electrical RATINGS • 65,000A Short Circuit Current Rating (SCCR) • Modules withstand hot-patching of cold loads up to full rating • UL and cUL LISTED
Power Device • Sealed, patented assembly • Field replaceable with screwdriver • Two back-to-back SCRs per circuit • One control LED per circuit • 4000V isolation between control and power components • Integral bonded heatsink • Integral temperature sensor
FILTERING • High quality toroidal filters - 165μS risetime*
*Risetime measured at full load, at worst case firing angle (90 degrees), from 10-90% of output wave form DIMMER RANGE • Incandescent, low voltage dimming range 100-0% • Dimming range of 2 and 4-wire fluorescent ballast is dependent on lamp ballast combination. Contact ETC for range verification • Sizing of Neon transformer used in dimming applications should be 1.5x greater than size used in non-dimming application