Keystone KT-HBLED400PSHV-4G-8CSD-VDIM /G3 XFiT LED Linear High Bay — 260/320/400W Selectable, 4000K/5000K, 277–480V, White

The Keystone KT-HBLED400PSHV-4G-8CSD-VDIM /G3 is a 4-ft XFiT LED linear high bay built for 277–480V high-voltage industrial distribution. It delivers up to 68,800 lumens with field-selectable 260W / 320W / 400W wattage and 4000K / 5000K color temperature. Includes 0–10V dimming (Dim-to-off), built-in sensor receptacle, SmartSafe emergency driver compatibility, damp location rating (UL 1598), TAA compliance, DLC Premium listing, and a 10-year warranty.

Key Features

• Selectable Wattage (Power Select): 260W / 320W / 400W — field-selectable on site
• Selectable CCT (Color Select): 4000K / 5000K — field-selectable on site
• Max Lumen Output: 68,800 lm (400W / 4000K)
• Peak Efficacy: Up to 175 lm/W
• CRI: >80
• Dimming: 0–10V, dim to 10% then Dim-to-off
• Voltage: 277–480V AC, 50/60Hz (High Voltage)
• Surge Protection: 6kV built-in
• Lens: Frosted polycarbonate — eliminates glare
• Controls Ready: Built-in sensor receptacle for Keystone SmartSafe/SmartPort screw-in sensors
• Emergency Backup Compatible: Keystone SmartSafe emergency LED drivers (sold separately)
• Housing: Bent steel, architectural-grade compact design, White finish
• Location Rating: UL Listed 1598 — Damp Location
• Operating Temperature: −20°C to +50°C (−4°F to +122°F)
• Rated Life: L70 >100,000 hrs @ 25°C/77°F ambient fixture temperature
• Certifications: UL Listed, DLC Premium, TAA Compliant, FCC Part 15 Class A, RoHS
• Warranty: 10-year limited warranty

Performance & Light Output

Input Voltage: 277–480V AC | Dimming: 0–10V | CRI: >80 | Rated Life: L70 >100,000 hrs @ 25°C/77°F

Smart & Control Features

The KT-HBLED400PSHV-4G includes a built-in sensor receptacle for screw-in installation of Keystone SmartPort/SmartSafe sensors and controls — no rewiring required.

Sensors/Controllers (Factory- or Field-Installable):

• KTSL-FC3-12V-PKO-PIR — Smart Loop Bluetooth mesh screw-in PIR occupancy sensor with built-in fixture controller. No wiring required.
• KTSL-FC4-12V-PKO — Smart Loop Bluetooth mesh low voltage fixture controller, 12V, 0–10V Dimming.
• KTS-PIR3-12V-PKO /G2 — Smart Port PIR sensor for high bay fixtures. Preset: 1 min hold, 3 min standby at 30% dim, daylight disabled.
• KTS-MW3-12V PKO — Smart Port microwave multifunction sensor. Preset: 10 min hold, ∞ min standby at 50% dim.
• KTS-MW3-REMOTECONTROL — Remote Control for KTS-MW3 and KTS-PIR3 sensors. Configures brightness, sensitivity, hold time, daylight threshold, and standby dimming level. Field-use only.

Emergency Backup (Factory- or Field-Installable):

• KT-EMRG-LED-10BC-1000-EN3/DF — 10W, 1000 lm SmartSafe emergency backup with dual flex cables.
• KT-HBLED-EM-BR-G-KIT — Emergency LED Backup Mounting Kit for all Keystone G-series High Bay Fixtures. Includes main bracket, wider hanging tabs, aircraft cable hanging set, and mounting hardware. Field-installable only.

Standard 0–10V continuous dimming included. Dims to 10% then Dim-to-off for maximum energy savings.

Electrical

Constant-current LED driver rated for 277–480V AC, 50/60Hz. Built-in 6kV surge protection. 0–10V continuous dimming with Dim-to-off. Power factor >0.90. THD <20%. FCC Part 15, Part B, Class A. Mercury-free, RoHS compliant.

Construction

Architectural-grade compact bent steel housing with white powder-coat finish. Frosted polycarbonate lens eliminates glare for uniform light distribution. UL 1598 Listed for damp locations. Operating temperature: −20°C to +50°C (−4°F to +122°F). Dimensions: 46.00" L × 15.16" W x 2.09" H. Weight: 16.5 lbs.

Installation & Mounting

Includes V-hook and chain mounting hardware for suspended installation. Compatible with optional accessories (sold separately):

• KT-HBLED-WG-4G-KIT — Wire Guard Kit for all Keystone 4G High Bay Fixtures.
• KT-HBLED-PM-3/4G-KIT — Pendant Mount Kit for 3G and 4G High Bay Fixtures.
• KT-HBLED-SM-3/4G-KIT — Surface Mount Kit for 3G and 4G High Bay Fixtures.

For 120–277V, see KT-HBLED400PS-4G. For lower wattage at 277–480V, see KT-HBLED240PSHV-2G (160/200/240W) or KT-HBLED150PSHV-2G (90/120/150W).

Certifications & Rebates

• DLC Premium Listed — qualifies for utility rebate programs. Verify at designlights.org.
• UL Listed 1598 — Damp Location rated
• TAA Compliant — eligible for U.S. government and GSA procurement
• FCC Part 15, Class A | RoHS Compliant
• 10-Year Limited Warranty

Typical Applications

• Warehouses and distribution centers on 277V, 347V, or 480V distribution — 35–50+ ft mounting heights; eliminates step-down transformers on high-voltage branch circuits
• Heavy manufacturing, fabrication shops, and industrial assembly floors — maximum lumen output for wide-span coverage and precision task areas
• Gymnasiums, arenas, and large sports facilities — high-output frosted lens delivers glare-free illumination over full courts, fields, and bleacher areas
• Big-box retail, wholesale clubs, and high-ceiling commercial showrooms on 480V distribution
• Logistics hubs, cross-dock facilities, cold storage, and loading docks — damp rated, rated for −20°C to +50°C, sensor-ready for automated occupancy control
• Government, military, and federal facilities on high-voltage distribution — TAA compliant for qualifying GSA and federal procurement

What’s Included

• Keystone KT-HBLED400PSHV-4G-8CSD-VDIM /G3 LED Linear High Bay (White)
• V-hook and chain mounting hardware