Keystone KT-WLED44PS XFit Color & Power Select 4ft LED Wrap — 44W/28W/18W Selectable — 3500K/4000K/5000K — Frosted Lens

The Keystone KT-WLED44PS-4-8CSA-VDIM is a commercial 4ft XFit LED Wrap Fixture engineered to deliver up to 5,940 lumens with Power Select field-adjustable 44W/28W/18W power settings and Color Select switchable 3500K/4000K/5000K color temperatures. Operating on universal 120–277V electrical systems with 0–10V continuous dimming down to 10% and 12V auxiliary power leads, this luminaire provides a high-efficacy replacement for legacy 2-lamp and 4-lamp T8/T12 linear fluorescent wrap fixtures. Built with a UL/cULus Listed rating and approved for clothes closet storage spaces, it is qualified for commercial utility rebates under DLC Listed standards and features 1/2" NPS end knockouts with an internal wire way for continuous end-to-end row installations.

Key Features

• Selectable Wattage (Power Select): 44W / 28W / 18W — field-adjustable to set custom high-end trim
• Maximum Lumen Output: 5,940 lm at 44W (5000K)
• Peak Efficacy: Up to 150 lm/W for high-efficiency commercial operation
• CRI: >80 color rendering across all settings
• Selectable CCT (Color Select): 3500K / 4000K / 5000K — field-adjustable via onboard switch
• Lens & Optics: Frosted wraparound lens with a 220° beam angle, 325° visible light area, 2,155.8 maximum candela, and low optical flicker
• Dimming & Aux Power: 0–10V continuous dimming down to 10% with 12V auxiliary driver leads
• Voltage: Universal 120–277V AC input
• Closet & Location Rating: UL/cULus Listed; suitable for installation within clothes closet storage spaces
• Operating Temperature: -4°F (-20°C) to 113°F (45°C) ambient range
• Certifications: DLC Listed, UL/cULus Certified, NLB Trusted Warranty Program
• Rated Life: L70 >100,000 hours at 25°C (77°F) ambient fixture temperature
• Warranty: 10-year limited warranty — Keystone (NLB Trusted Warranty Program)
• Form Factor & Design: 1/2" NPS (0.87" KO) on both ends with internal wire way for continuous end-to-end wire passage

Performance & Light Output

At 44W: 5,852 lm (3500K / 133 lm/W), 5,896 lm (4000K / 134 lm/W), 5,940 lm (5000K / 135 lm/W).

At 28W: 3,948 lm (3500K / 141 lm/W), 3,976 lm (4000K / 142 lm/W), 4,004 lm (5000K / 143 lm/W).

At 18W: 2,664 lm (3500K / 148 lm/W), 2,682 lm (4000K / 149 lm/W), 2,700 lm (5000K / 150 lm/W).

CRI >80 across all configurations. Rated LED lifetime L70 >100,000 hours at 25°C (77°F) ambient fixture temperature (50,000 hrs catalog table rating).

Smart & Control Features

The KT-WLED44PS-4-8CSA-VDIM is powered by a Keystone 0–10V dimming LED driver with an integrated 12V auxiliary output supporting occupancy sensing:

• 0–10V Continuous Dimming (Standard): Dims smoothly down to 10% on standard 0–10V low-voltage control circuits with low optical flicker and 12V Aux output leads.
• Microwave Occupancy Sensor Kit (Accessory): Compatible with the factory- or field-installable KTS-MW3-UV-KO-K2 Microwave Sensor Kit (Suffix /MW3 or /MW, Easy Code TBV-76; includes 120–277V to 12V DC converter, 12V sensor head, Nomex sleeve, and extension neck — sold separately).

Electrical

Powered by a Keystone 0–10V dimming LED driver (dimmable down to 10%) operating on universal 120–277V AC input with 12V auxiliary output leads (yellow 12V+ / brown 12V-). Delivers high electrical efficiency with a Power Factor >0.95 (>0.90 across all table configurations), Total Harmonic Distortion (THD) <20%, and low optical flicker.

Emergency Battery Backup Compatibility: Compatible with Keystone SmartSafe constant-wattage LED emergency backups, including 4W / ~400-lumen (KT-EMRG-LED-4BC-400-EN2, Suffix /EM4) and 12W / ~1,200-lumen (KT-EMRG-LED-12C-1200, Suffix /EM10) units — sold separately or available factory-installed.

Construction

Housing & Build: Commercial 4-foot led wrap housing equipped with 1/2" NPS (0.87" KO) knockouts on both ends and an integrated internal wire way for safe wire passage on end-to-end continuous row installations.

Location & Environmental Rating: UL/cULus Listed for commercial, retail, and residential indoor applications, and certified suitable for installation within clothes closet storage spaces.

Operating Temperature: Operating ambient temperature range of -4°F (-20°C) to 113°F (45°C).

Lens & Optics: Frosted wraparound diffuser delivering a wide 220° beam angle, 325° visible light area, and 2,155.8 maximum candela (at 0° horizontal / 0° vertical) with low optical flicker.

Finish: White commercial finish.

Dimensions: 47.70" L × 7.10" W × 2.80" H.

Installation & Mounting

Standard Mounting: Engineered for direct ceiling surface mounting across commercial, retail, and residential spaces, including clothes closet storage areas.

Continuous Run Mounting: Includes 1/2" NPS (0.87" KO) knockouts on both ends and an internal wire way for through-wiring on end-to-end row installations.

Accessories (Sold Separately):

• Sensors & Controls: KTS-MW3-UV-KO-K2 (Microwave Sensor Kit including 120–277V to 12V DC converter, 12V input sensor head, Nomex sleeve, and extension neck, Suffix /MW3, UPC: 843654134352, Easy Code TBV-76 — sold separately)
• Emergency Battery Backups: KT-EMRG-LED-4BC-400-EN2 (4W Constant Wattage LED Emergency Back-Up, approx. 400 lumens, Suffix /EM4, UPC: 843654175515, Easy Code DQN-36 — sold separately); KT-EMRG-LED-12C-1200 (12W Constant Wattage LED Emergency Back-Up, approx. 1,200 lumens, Suffix /EM10, UPC: 843654103112, Easy Code OJQ-32 — sold separately)

Certifications & Rebates

• DLC Listed: Qualifies for commercial utility rebate incentives across regional energy programs. To confirm rebate eligibility with your local utility provider, visit designlights.org and search Catalog Number KT-WLED44PS-4-8CSA-VDIM.
• UL / cULus Certified: Listed to North American electrical safety standards (UPC: 843654137322, Easy Code: BEW-19).
• Clothes Closet Rated: Suitable for installation within a clothes closet storage space.
• NLB Trusted: Backed by Keystone's 10-year limited warranty and verified under the National Lighting Bureau (NLB) Trusted Warranty Program.

Typical Applications

• Commercial Corridors & Hallways — Dual-end 1/2" NPS knockouts, internal wire way, and 220° beam angle deliver seamless end-to-end pathway illumination.
• Retail Aisles & Back-of-House — Power Select 44W/28W/18W adjustability sets custom high-end trim to match ceiling height and merchandise layouts.
• Offices & Educational Facilities — Color Select 3500K/4000K/5000K tuning, frosted low-flicker lens, and 0–10V dimming support visual comfort.
• Clothes Closets & Residential Storage — Certified suitable for clothes closet storage spaces with cool-running up to 150 lm/W LED performance.
• Stairwells & Utility Rooms — Compatible with Keystone microwave/PIR occupancy sensors and SmartSafe emergency battery backups for code-compliant egress and standby control.

What's Included

• Keystone KT-WLED44PS-4-8CSA-VDIM 4ft XFit Color & Power Select LED Wrap Fixture — Frosted Lens (Pack Qty: 4)
• Installation and wiring instructions