Product Description

ETC AD20 Dual 5.5KW Dimmer Module - 277V, Repair

Part# 7083A1007

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Unison Modules 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.

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

SPECS

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