TruFit™ 55 Watt LED Retrofit Lamp TruFit 55W Data Sheet

For owners of exterior lights who want to save money, AlterLume's TruFit™, self-ballasted, LED lamps are a direct replacement for conventional High Intensity Discharge bulbs. TruFit lamps provide higher efficiency, longer life and a lower total cost of ownership compared to HID bulbs. The Lamps turn on instantly and demand up to 80% less power.

Unlike high pressure sodium bulbs which can last two years, AlterLume's TruFit™ last five years, turn on instantly, and consume up tp 80% less power.

AlterLume's TruFit high-brightness LED bulbs turns any street or area light into a highly energy efficient and intelligent light.


TruFit 80 Watt

Output Conditions Description
Light Output 7,700 Lumens
Color Rendering Index (CRI) 70 CRI
Color Temperature 5000 Nominal
On/Off No delay or flicker
Standby Power Dissipation 0 Watts
Current Regulation < 2% over the input voltage range
Load Regulation < 2% over the input voltage range
Voltage Ripple < 5% at 60W
Current Ripple < 5% at 60W
Output Current to the LEDs 0.5A, constant current across voltage range

Input Conditions Description
Input Voltage 120 - 277 VAC
Frequency 47-63 Hz
Input Protection Fused, 5A, slo-blo
Power Factor 0.99 at optimal voltage, > 0.91 over the entire input voltage range
Inrush Current 3A with soft start

  Environmental & Compliance   Description
Weight 2.0 lbs. (.80 kg)
Noise Class A sound rating:  ≤ 24dB
Thermal Management Fully functional in a fully sealed enclosure
Reliability 50,000 hours expected life
Eco-Friendly Contains < 0.2 mg/L of mercury, meeting EPA
Photometric Footprint Circular

  Options   Description
Base Adaptors B22, E26 / E27
Photometric FootprintPattern type per customer requirements

Tru-Fit™ Benefits:

  • USA designed and built
  • UL recognized, E480881
  • Reduced maintenance
  • Low capital and lifetime usage cost
  • Easy & quick to install
  • Surge protected
  • CO₂ abatement
  • Upgradable
  • Low risk implementation
  • Optional light patterns

Lighting Applications

  • Replaces up to 250W HPS, Metal Halide, or Mercury Vapor Mogul Bulbs.
  • Streets and Roadways
  • Parks and Parking lots
  • For Cobra heads, Shoe Boxes, & Wall Packs


  • Base: Mogul E39 / E40 standard
  • 10% THD at 277V
  • Meets EN61000-3-2
  • Converter efficiency > 90%
  • Surge Protected to 6KV
  • Five year limited warranty
  • Burn Position: Horizontal +/- 30 Degrees, only in enclosed fixtures
  • LED Beam Angle 120°

Available Wattages

  • 55 Watt
  • 80 Watt


  • 3.5” (89mm)
  • 10”(280mm)

Color Rendering Index

70 plus.