Electronic High Bay Fixtures

ROMlight dimmable electronically ballasted fixtures can be purchased in a variety of wattages. The tables below show the different models and their attributes.

Fixtures for Metal Halide Lamps
Lamp Wattage
Standard Line Voltage*
200
120 to 277
250
120 to 277
320
120 to 277
400
120 to 277
575
208 to 277
* 347 volt circuits require a step down transformer
 
Specifications
Parameter
Value
200-400w Dimensions and Weight
27 ½” (h) x 22 ½” (w)
(12.3 lbs)
575w Dimensions and Weight
27 ¾ ” (h) x 25 ½” (w)
(16 lbs)
Input Power Factor
≥0.95
THD
< 10%
Crest Factor Nominal Power
<1.45
Ballast Efficiency
94%
Operating Temperature
-30° to 40/55°C
ROMlight Fixture

To download these specifications, click here

Features & Benefits

Feature
Benefit
Certified to UL and ULC standards File E321110
  • Can be installed in all North American jurisdictions
Microprocessor Control
  • Provides all protective functions
  • Thermal cutout protection
  • Short circuit protection
  • Lamp "out of circuit" protection
  • Provide "soft" lamp start up
  • Longer lamp life
Active Power Factor Correction
  • Mminimizes in rush current
  • Low Total Harmonic Distortion
High Frequency
  • No flicker
  • Higher lamp efficacy
  • Cooler lamp and ballast operation
  • Longer lamp life
  • Consistent colour rendering
Exceptionally High Ballast Efficiency (93% - 94%)
  • Increases energy savings
Crest Factor <1.45
  • Protects the lamp
Broad Operating Temperature Range -30°C to 55°C Ambient Temperature between 200W and 320W (maximum ambient temperature 350W to 575W 40°C)
  • Can be used in most outdoor or indoor locations
Superior Lumen Maintenance
  • 90% of initial lumens at mean life
“No Lamp” feature
  • Prevents “end of lamp life” syndrome that can damage the fixture
Light Weight Design
  • Easy to install
  • Less expensive mounting details/hardware
  • Reduces structure costs
Reflexor® by LEXALITE®
  • Acrylic reflector 92% efficient light distribution
  • Up light eliminates “cave effect”
On/Off switch on fixture
  • Allows safe lamp replacement
  • Reduces lamp replacement costs
Diagnostic LED
  • Easy troubleshooting
Timed delay before dimming on start up
  • Dimming inactive for 15 minutes after start up to comply with lamp manufacturers warranty requirements
Analog ROMport
  • Allows Resistive and 0-10V DC Dimming Control
Serial ROMport
  • Allows Full Two Way Communication and Control

 

Analog ROMport Ballast Control using RJ11-6-4

Supported Protocol

Means

Daisy Chainable**

Dimming Mode

Resistive Dimming

Potentiometer Control

Yes

Infinite Adjustment

Daylight Harvesting

Photo Sensor

Yes

0-10V DC Signal

Powered Device Control

Yes

Switching (Dry Contact)

Motion Sensor or Switch

Yes

50% step
** Refer to factory for layout

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