Keystone XFit LED Center Basket Troffer — 24–45W Selectable — White

The Keystone XFit LED Center Basket Troffer Series is a family of recessed LED troffers available in 1×4, 2×2, and 2×4 sizes, designed for commercial and institutional grid ceiling applications including offices, healthcare, education, and retail. Across all sizes, wattage is field-selectable via Keystone’s Power Select technology and color temperature is field-selectable via Keystone’s Color Select technology — both adjustable without tools, before or after installation. All models support 0–10V dimming, operate on 120–277V, are UL Listed, DLC Listed, and carry a 10-year limited warranty. Compatible with Keystone’s SmartLoop Bluetooth® mesh wireless control system.

Key Features

• Power Select Wattage: Field-adjustable wattage via Keystone Power Select — no tools required, adjustable before or after installation. Wattage steps vary by size (see table below).
• Color Select CCT: Field-adjustable between 3500K, 4000K, and 5000K via Keystone Color Select — one SKU covers warm-to-daylight tuning without re-ordering.
• Three Size Options: 1×4, 2×2, and 2×4 — select the size that fits your ceiling grid and lighting zone.
• CRI: >80 across all sizes, wattage steps, and CCT settings.
• 0–10V Dimming: Flicker-free 0–10V dimming standard across all models. Compatible 0–10V dimmer required, sold separately.
• SmartLoop Compatible: Works with Keystone’s SmartLoop Bluetooth® mesh wireless system for daylight sensing, occupancy/vacancy sensing, grouping, and scheduling via the /FC2 sensor accessory (sold separately).
• Frosted Lens: Volumetric center basket design with frosted lens for even, glare-controlled illumination across the grid opening.
• IC Rated: Safe for direct insulation contact in ceiling cavities.
• Voltage: 120–277V universal voltage driver across all models.
• DLC Listed: All models qualify for utility rebate programs — DLC Product IDs vary by size (see table below).
• Rated Life: L70 >100,000 hours at 25°C/77°F ambient (LED chip lifetime).
• Warranty: 10-year limited manufacturer warranty.

Model Selection & Performance

Select the size that matches your ceiling grid. All models share the same Power Select and Color Select technology with 3500K/4000K/5000K CCT options.

Size	Catalog Number	Wattage Steps	Peak Lumens	Peak Efficacy	Dimensions (L×W×H)	DLC Product ID
1×4	KT-CBLED35PS-14C-8CSA-VDIM	24W / 30W / 35W	4,550 lm	135 lm/W	47.72″ × 11.93″ × 1.83″	S-0ZTXKX
2×2	KT-CBLED35PS-22C-8CSA-VDIM	24W / 30W / 35W	4,515 lm	137 lm/W	23.77″ × 23.77″ × 2.875″	S-T0T3HF
2×4	KT-CBLED45PS-24C-8CSA-VDIM	30W / 38W / 45W	5,850 lm	135 lm/W	47.72″ × 23.74″ × 1.97″	S-71R480

Detailed Lumen Output by Size

1×4 — KT-CBLED35PS-14C

Wattage	CCT	Lumens	Efficacy (lm/W)
35W	3500K	4,375 lm	125
35W	4000K	4,515 lm	129
35W	5000K	4,550 lm	130
30W	3500K	3,900 lm	128
30W	4000K	4,050 lm	132
30W	5000K	4,080 lm	133
24W	3500K	3,240 lm	130
24W	4000K	3,312 lm	134
24W	5000K	3,336 lm	135

2×2 — KT-CBLED35PS-22C

Wattage	CCT	Lumens	Efficacy (lm/W)
35W	3500K	4,480 lm	128
35W	4000K	4,515 lm	129
35W	5000K	4,050 lm	120
30W	3500K	3,900 lm	131
30W	4000K	3,980 lm	131
30W	5000K	3,990 lm	133
24W	3500K	3,276 lm	137
24W	4000K	3,240 lm	135
24W	5000K	3,764 lm	135

2×4 — KT-CBLED45PS-24C

Wattage	CCT	Lumens	Efficacy (lm/W)
45W	3500K	5,625 lm	125
45W	4000K	5,805 lm	129
45W	5000K	5,850 lm	130
38W	3500K	4,940 lm	128
38W	4000K	5,130 lm	132
38W	5000K	5,168 lm	133
30W	3500K	4,050 lm	130
30W	4000K	4,140 lm	134
30W	5000K	4,170 lm	135

Smart & Control Features

All models support 0–10V dimming. Compatible with Keystone’s SmartLoop Bluetooth® mesh wireless lighting control system via the field-installable /FC2 sensor (KTSL-FC2-12V-3M-PIR, sold separately), enabling daylight sensing, PIR occupancy/vacancy sensing, grouping, scheduling, and scene setting without a dedicated gateway.

Electrical

Universal voltage driver rated for 120–277V across all models. 0–10V dimming standard. Power factor >0.95. THD <20%. IC rated. Operating temperature: −20°C to 50°C (−4°F to 122°F). Mercury-free.

Construction

Housing & Thermal: Architectural-grade steel center basket housing with volumetric design for even light distribution and integrated thermal management supporting the rated 100,000-hour LED chip lifespan.

Lens & Optics: Frosted polycarbonate lens panel providing soft, uniform illumination with low glare across the full grid opening.

Finish: White powder-coat finish.

Environmental & Safety: IC Rated. Operating temperature range: −20°C to 50°C (−4°F to 122°F). Mercury-free.

Installation & Mounting

Standard Hardware: All models designed for recessed installation into standard drop/grid ceiling T-bar systems (1×4, 2×2, or 2×4 as applicable).

Mounting Options: Recessed T-bar grid (standard). Surface mount kits and recessed mount flange kits available for all sizes, sold separately.

Accessories (Sold Separately):

• SmartLoop Bluetooth Sensor: KTSL-FC2-12V-3M-PIR — wireless daylight and PIR occupancy/vacancy control
• Emergency Backup (Factory or Field): KT-EMRG-LED-4BC-400-EN2 (4W) · KT-EMRG-LED-5C-500-EN /DF (5W) · KT-EMRG-LED-10BC-1000-EN3 /DF (10W) · KT-EMRG-LED-12C-1200-EN /DF (12W)
• Emergency Backup Mounting Kit: KT-CBLED-C-EM-KIT
• Surface Mount Kits: KT-CBLED-SM-14-KIT (1×4) · KT-CBLED-SM-22-KIT (2×2) · KT-CBLED-SM-24-KIT (2×4)
• Recessed Mount Flange Kits: KT-CBLED-RMF-14-KIT (1×4) · KT-CBLED-RMF-22-KIT (2×2) · KT-CBLED-RMF-24-KIT (2×4)
• Cord Sets: KT-MC-NP-1-18/3 (1 ft) · KT-MC-NP-6-18/3 (6 ft) · KT-MC-NP-6-18/5 (6 ft, 18/5) · KT-MC-NP-6-18/6 (6 ft, 18/6) · KT-CS-515P-6-18/3 (6 ft, NEMA 5-15P)

Certifications & Rebates

• UL Listed
• DLC Listed — all models qualify for utility rebate programs. To verify rebate eligibility with your utility provider, visit designlights.org and search the DLC Product ID for your selected size: S-0ZTXKX (1×4) · S-T0T3HF (2×2) · S-71R480 (2×4).
• IC Rated
• RoHS Compliant

Typical Applications

• Corporate offices and open-plan workspaces — volumetric center basket design delivers soft, even illumination with low glare for sustained visual comfort in desk-intensive environments
• Classrooms and educational facilities — Power Select and Color Select allow wattage and CCT to be tuned post-installation to match different learning activities and occupancy schedules
• Healthcare exam rooms and clinical spaces — CRI >80 and selectable CCT support accurate color rendering for patient assessment and clinical tasks
• Retail interiors and commercial showrooms — frosted lens and 3500K/4000K settings deliver polished, even illumination suited to product display and customer experience
• Corridors, lobbies, and common areas — L70 >100,000-hour LED chip lifespan and 10-year warranty reduce maintenance overhead in high-uptime commercial environments
• Conference rooms and collaborative spaces — SmartLoop Bluetooth compatibility enables occupancy sensing and scheduling without gateway hardware

What’s Included

• Keystone XFit LED center basket troffer fixture — White (size per selected variant)
• Mounting hardware for recessed T-bar grid installation