1 1

Portor Lighting

Portor 4′ Stairwell Luminaire 35W/45W/55W, 3500K/4000K/5000K, 120-277V - PT-STL-4F-3CP

Portor 4′ Stairwell Luminaire 35W/45W/55W, 3500K/4000K/5000K, 120-277V - PT-STL-4F-3CP

PT-STL-4F-3CP

$192.80 USD
$192.80 USD
Sale Sold out

Key Specification

  • CCT: 3500K / 4000K / 5000K
  • CRI: 82
  • Dimming: 0-10V continuous dimming (10%–100%)
  • Beam Angle: 120°
  • Input Voltage: 120–277V
  • Power Frequency: 50/60 Hz
  • Power Factor: >0.9
  • THD: ≤10%
  • Operating Temperature: -40°F to 122°F
  • Storage Temperature: -40°F to 158°F
  • Location Rating: Suitable for damp locations
  • Warranty: 5-Year Limited Warranty

The Portor PT-STL-4F-3CP Stairwell Luminaire is a versatile LED lighting solution designed for stairwells, corridors, and commercial common areas. Available in 35W, 45W, and 55W configurations with selectable 3500K, 4000K, and 5000K colour temperatures, it delivers bright, uniform illumination with excellent energy efficiency. Operating on a universal 120-277V input range, this 4-foot luminaire provides reliable performance, reduced maintenance, and long service life in demanding commercial environments.

Ideal Applications

  • Stairwells and emergency egress routes
  • Apartment and condominium common areas
  • Corridors and hallways
  • Parking garage stair towers
  • Commercial building walkways
  • Educational facilities
  • Healthcare and medical buildings
  • Hotels and hospitality properties
  • Municipal and government buildings
  • Utility and service corridors

What’s Included / Features

The PT-STL-4F-3CP combines flexible wattage selection and adjustable colour temperature in a durable commercial-grade fixture. Its 3CCT selectable feature allows installers to choose the preferred colour temperature during installation, while the selectable wattage options help optimise light output and energy consumption for different applications.

Designed for reliable operation in high-use areas, this stairwell luminaire provides smooth, even illumination that enhances visibility and safety. The universal 120-277V operation makes it suitable for both retrofit projects and new construction installations where dependable performance and reduced maintenance are important.

Key Features

  • Selectable 35W / 45W / 55W power options
  • Selectable 3500K / 4000K / 5000K colour temperatures
  • 120-277V universal input voltage
  • 4-foot stairwell luminaire design
  • High-efficiency LED technology for reduced energy costs
  • Smooth, uniform illumination with reduced glare
  • Durable construction for commercial environments
  • Long operational lifespan with minimal maintenance
  • Suitable for retrofit and new construction projects
  • Ideal for stairwells, corridors, parking garages, and common-area lighting

Need help matching a driver? Text us a picture and we’ll match it fast.

View full details