Keystone KT-CBLED35PS-14C XFit LED Center Basket Troffer — 24/30/35W Selectable — White

The Keystone KT-CBLED35PS-14C-8CSA-VDIM is a 1×4 recessed LED center basket troffer designed for commercial and institutional grid ceiling applications. Wattage is field-selectable between 24W, 30W, and 35W via Keystone's Power Select technology, and color temperature is field-selectable between 3500K, 4000K, and 5000K via Keystone's Color Select technology — both adjustable without tools. At peak output, the fixture delivers 4,550 lumens at 130 lm/W. It supports 0–10V dimming, operates on 120–277V, is UL Listed, DLC Listed (DLC ID: S-0ZTXKX), and carries a 10-year limited warranty. Compatible with Keystone’s SmartLoop Bluetooth® mesh wireless control system.

Key Features

• Power Select Wattage: Field-adjustable between 24W, 30W, and 35W via Keystone Power Select technology — no tools required, adjustable before or after installation.
• Color Select CCT: Field-adjustable between 3500K, 4000K, and 5000K via Keystone Color Select technology — one SKU covers warm-to-daylight tuning without re-ordering.
• Maximum Lumen Output: Up to 4,550 lm at 35W / 5000K — high output in a standard 1×4 recessed center basket form factor.
• Peak Efficacy: Up to 135 lm/W at 24W / 5000K.
• CRI: >80 across all wattage and CCT combinations.
• 0–10V Dimming: Flicker-free 0–10V dimming. 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.
• IC Rated: Safe for direct insulation contact in ceiling cavities.
• Voltage: 120–277V universal voltage driver.
• DLC Listed: DLC Product ID S-0ZTXKX — qualifies for utility rebate programs.
• Rated Life: L70 >100,000 hours at 25°C/77°F ambient (LED chip lifetime).
• Warranty: 10-year limited manufacturer warranty.

Performance & Light Output

The KT-CBLED35PS-14C delivers field-selectable output across three wattage steps and three CCT options. Peak output is 4,550 lm at 35W / 5000K (130 lm/W). Peak efficacy is 135 lm/W at 24W / 5000K.

CRI >80 across all settings. Power factor >0.95. THD <20%. LED chip lifetime: L70 >100,000 hrs at 25°C/77°F.

Smart & Control Features

The KT-CBLED35PS-14C supports 0–10V dimming. It is 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, and scheduling without a dedicated gateway.

Electrical

Universal voltage driver rated for 120–277V. 0–10V dimming. 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 1×4 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.

Dimensions & Weight: 47.72″ L × 11.93″ W × 1.83″ H. Weight: 9.60 lbs (4.35 kg).

Installation & Mounting

Standard Hardware: Designed for recessed installation into standard 1×4 drop/grid ceiling T-bar systems.

Mounting Options: Recessed T-bar grid (standard). Surface mount kit (KT-CBLED-SM-14-KIT) and recessed mount flange kit (KT-CBLED-RMF-14-KIT) available as accessories, sold separately.

Wiring: 0–10V dimming leads included. Wattage and CCT settings should be selected via onboard switch prior to or after installation.

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, 400 lm) · KT-EMRG-LED-5C-500-EN /DF (5W, 500 lm) · KT-EMRG-LED-10BC-1000-EN3 /DF (10W, 1000 lm) · KT-EMRG-LED-12C-1200-EN /DF (12W, 1200 lm)
• Emergency Backup Mounting Kit (Field): KT-CBLED-C-EM-KIT
• 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, 125V NEMA 5-15P)
• Surface Mount Kit: KT-CBLED-SM-14-KIT — for 1×4 LED center basket troffers
• Recessed Mount Flange Kit: KT-CBLED-RMF-14-KIT — for 1×4 center basket fixtures

Certifications & Rebates

• UL Listed
• DLC Listed — qualifies for utility rebate programs. To verify rebate eligibility with your utility provider, visit designlights.org and search DLC Product ID S-0ZTXKX.
• IC Rated
• RoHS Compliant

Typical Applications

• Corridors and narrow-bay commercial spaces — 1×4 form factor fits single-bay T-bar runs for continuous row lighting in hallways, lobbies, and service areas
• 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 corridors — CRI >80 and selectable CCT support accurate color rendering for patient assessment and clinical tasks
• Retail interiors and boutique showrooms — frosted lens and 3500K/4000K settings deliver polished, even illumination suited to product display
• Office perimeter and accent zones — 1×4 format integrates cleanly into modular ceiling plans where 2×4 fixtures are too wide
• Conference rooms and collaborative spaces — SmartLoop Bluetooth compatibility enables occupancy sensing and scheduling without gateway hardware

What’s Included

• Keystone KT-CBLED35PS-14C-8CSA-VDIM LED center basket troffer fixture — White
• Mounting hardware for recessed T-bar grid installation