Name: 2x4 LED High Bay Light 300W 39500 Lumens 0–10V Dimmable 120–277V
Brand: SLG Lighting
SKU: HE-400-G2-4K
Price: 302.0 USD
Availability: InStock

2x4 LED High Bay Light 300W 39500 Lumens 0–10V Dimmable 120–277V

Quick Answer: Specify this 120–277V high-output linear high bay. Delivers 39,500 lumens for high-ceiling tasks.

Key Features:

Industrial Performance: Replaces 400W-750W HID.
Polycarbonate Lens: Resists yellowing and impact.
Damp Rated: Safe for humid manufacturing zones.
0-10V Dimming: Precise level control for energy savings.

Brand	SLG Lighting
Wattage	300W
Voltage	120–277V
Lumens	39,500
Lamp Type	LED
CCT	4000K, 5000K
CRI	80+
Dimming	0–10V
Certifications	UL Listed, FCC Compliant, RoHS Compliant, DLC Premium Listed
Minimum Operating Temperature	-40°F
Location Rating	Damp Location
Finish	White
Dimensions	47.5" L × 24" W × 2.97" H
Warranty	10-Year Warranty

Selection Guidance: Best for manufacturing floors and large-scale racking warehouses. The 39,500 lumen package ensures high vertical footcandles on pallet racks, improving safety and pick-accuracy in industrial environments.

Mounting Height & Performance Considerations

$302.00

Free shipping calculated at checkout.

Color Temperature

4000K

5000K

In stock, ready to ship
Backordered, shipping soon

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Start here: For the fastest commercial routing, use Request a Project Quote. For the complete intake → documentation → shipping visibility → closeout workflow, see Commercial Project Support.

Submittals: Submittals
Layouts & IES: Photometrics
Closeout package: Closeout Documentation

Call: (800) 357-6860 Email: support@starsandstripeslighting.com

Quick answer: Shipping method, lead time, and tracking visibility vary by product type and carrier (parcel vs. freight/LTL). For commercial receiving requirements, delivery appointments, inspection steps, and documentation, use Shipping Reliability & Fulfillment.

If you’re working against a site schedule, include your ship-to requirements and target date in your quote request: Request a Project Quote.

Quick answer: Returns and restocking are evaluated based on condition, packaging, and manufacturer requirements. Start here for eligibility, restocking expectations, and documentation steps: Returns & Restocking.

Important: Do not ship items back without an approved return request and routing instructions.

Quick answer: Warranty routing depends on product line and the documentation available (order/PO reference, photos, and configuration details). Use Warranty Claims to submit the required information so we can route your claim correctly.

If you’re submitting project closeout records (submittals, IES, warranty docs), see Closeout Documentation.

Quick answer: For common questions about quoting, documentation, shipping visibility, returns, and warranty routing, use our Frequently Asked Questions page.

For a full commercial workflow overview, start here: Commercial Project Support.

Spec-reviewed for commercial installs

Brandon Waldrop

Lead Commercial Lighting Specialist • Spec Verification + Project Documentation

SLG’s 2×4 high bay (300W) is reviewed for HID-replacement performance (39,500 lumens), impact-resilient diffusion with a polycarbonate lens, and damp-rated reliability with 0–10V precision control so manufacturing bays stay uniform without lens damage/yellowing, humidity-related failures, or dimming-zone inconsistency.

Spec review focus:
Verified for industrial retrofit output at 39,500 lumens / 300W to replace common 400W–750W HID applications where higher-ceiling bays need real task-plane brightness; verified for controlled diffusion and durability using a polycarbonate lens to resist impact and reduce yellowing-related optical losses over time; verified for damp-rated suitability for humid manufacturing zones where moisture and temperature swings can accelerate component wear; verified for 0–10V dimming capability to enable precise light-level tuning for energy savings without flicker, dropout, or uneven response across a row; verified for 120–277V compatibility for standard commercial electrical conditions and common industrial power; verified for long-duty-cycle intent in production environments where stable output and reduced relamp labor matter.

Verified configuration:
For high-bay retrofits, document the “before” HID mounting height and spacing, then confirm your new layout (and any lens orientation) so you don’t trade HID hot spots for LED glare bands. On 0–10V controls, standardize sensor settings and high/low-end trim across the zone—one fixture on a different trim point becomes the obvious brighter/dimmer patch, especially when the system is dimmed for daylight or unoccupied periods.

Team-backed support: Quotes, photometrics, submittals, shipping visibility, and closeout documentation are supported through Commercial Project Support . Call 800-357-6860.

How this spec is verified