BAY-LHB4 · Linear High Bay · 4-Foot

4ft Premium LED Linear High Bay

High-output bay light for warehouses and commercial spaces

SKU BAY-LHB4 Category

Certifications

This versatile 4ft Premium Linear High Bay delivers power options from 85W up to 300W and outputs an impressive 12,000 to 44,000 lumens in field-selectable 3500K warm white, 4000K neutral white, or 5000K daylight color temperatures. The precision-engineered diffused acrylic lens virtually eliminates glare and harsh hotspots, delivering smooth, shadow-free light that boosts visibility, reduces eye fatigue, and creates a safer, more productive workspace.

Ideal Applications

  • Warehouses and distribution centers
  • Manufacturing and assembly plants
  • Retail superstores and home centers
  • Cold storage and food processing facilities
  • Convention centers and exhibition halls
  • Aircraft hangars and large maintenance bays
85 to 150

85 to 300

12028 to 44771

Lumens

3500/4000/5000

Kelvin

Damp Rated

Ingress

Highlights

Engineered for the toughest commercial and industrial applications.

Premium Optics

LBAT Lens for reduced glare for worker comfort and improved efficiency.

Damp-Rated Housing

Rated for indoor damp locations and covered exterior applications.

85 to 300 Watts

12028 to 44771 delivered lumens. One housing, project-specified output.

Easy Retrofit

Direct replacement for legacy HID, fluorescent, and metal halide high bays.

Wireless Controls Compatible

Integrates with wireless dimming and scene control systems.

7 Year Warranty

Driver, LEDs, and housing covered.

Federal-Ready

BAA / BABA compliant for federal procurement and infrastructure.

Mounting Options

Chain/Cable, Pendant, Surface.

Specifications

Built to your project, not to a part number.

Talk to our sales team at [email protected] to match the right configuration to your application.

Photometrics

Lumen Output

12028-44771 lm

Efficacy

Up to 153 lm/W

CCT Options

3500K, 4000K, 5000K

CRI

80 (90 Available Upon Request)

Optics & Distribution

Wide, Diffused Lens

L70

>50,000 Hours

Electrical

Wattage

85 to 300 Watts

Voltage

Universal (120-277V) – 347/480V Optional

Driver

0-10V Controls Ready Standard

Power Factor

>0.90

THD

< 20%

Surge Protection

6kV/3kA

Mechanical

Length

46.2″

Width

Up to 21.9″

Height

4.5″

Weight

18.0 lbs.

Housing

Vented White Aluminum

Mounting

Chain/Cable, Pendant, Surface

Compliance & Environment

Ingress Rating

Damp Rated

Operating Temp

-20ºC/−4ºF to 50ºC/122ºF

Certifications

BAA, BABA, CSA Listed, Made in the USA

Trade Compliance

BAA · BABA

Warranty

7 Years

Lead Time

4-6 Weeks

Resources & Downloads

Spec packages for designers, engineers, and procurement.

Spec’ing a project? Call us at (530) 887-1110

PDF

BAY-LHB4 Specification Sheet

IES

BAY-LHB4 Photometric Files (.IES)

RFA

BAY-LHB4 Revit / BIM Family

PDF

BAY-LHB4 Photometric Report

PDF

BAY-LHB4 Install Guide

PDF

BAY-LHB4 BAA/BABA/TAA Trade Compliance

Designing the install? We'll model it in our software, at no charge.

About Us

Over 10,800 commercial projects since 1993.

Federal agencies · Fortune 500 manufacturers · National retailers · Public infrastructure · National Laboratories · Higher Education