Keystone KT-CBLED35PS-22B XFit LED Center Basket Troffer — 24/30/35W Selectable — White

The Keystone KT-CBLED35PS-22C-8CSA-VDIM is a 2×2 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 4,515 lumens at 129 lm/W. It supports 0–10V dimming with 12V auxiliary output, operates on 120–277V, is UL Listed, DLC Listed (DLC ID: S-T0T3HF), 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 4,515 lm at 35W / 4000K — high output in a standard 2×2 recessed center basket form factor.
• Peak Efficacy: Up to 137 lm/W at 24W / 3500K — consistent high efficiency across all wattage settings.
• CRI: >80 across all wattage and CCT combinations.
• 0–10V Dimming: Architectural-grade 0–10V dimming with 12V auxiliary output — flicker-free, IC rated. 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 (field-installable, sold separately).
• Frosted Lens: Architectural-grade volumetric center basket design with frosted lens for even, glare-controlled illumination across the 2×2 grid opening.
• IC Rated: Safe for direct insulation contact in ceiling cavities.
• Voltage: 120–277V universal voltage driver.
• Location Rating: UL Listed — suitable for commercial interior installations.
• DLC Listed: DLC Product ID S-T0T3HF — 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-22C delivers field-selectable output across three wattage steps and three CCT options. Peak output is 4,515 lm at 35W / 4000K (129 lm/W). Peak efficacy is 137 lm/W at 24W / 3500K.

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-22C supports 0–10V dimming with 12V auxiliary output. 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, scheduling, and scene setting without a dedicated gateway. Wireless battery backup is also available (KTSL-TK1-USB, sold separately).

Electrical

Universal voltage driver rated for 120–277V. 0–10V dimming with 12V Aux output. 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 direct-indirect illumination with low glare across the full 2×2 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: 23.77″ L × 23.77″ W × 2.875″ H. Weight: 9.40 lbs (4.26 kg).

Installation & Mounting

Standard Hardware: Designed for recessed installation into standard 2×2 drop/grid ceiling T-bar systems.

Mounting Options: Recessed T-bar grid (standard). Surface mount kit (KT-CBLED-SM-22-KIT) and recessed mount flange kit (KT-CBLED-RMF-22-KIT) available as accessories, sold separately.

Wiring: 0–10V dimming leads with 12V auxiliary output 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
• Wireless Battery Backup: KTSL-TK1-USB — Bluetooth mesh wireless battery backup keeper
• 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-22-KIT — for 2×2 LED center basket troffers
• Recessed Mount Flange Kit: KT-CBLED-RMF-22-KIT — for 2×2 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-T0T3HF.
• 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 boutique 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 KT-CBLED35PS-22C-8CSA-VDIM LED center basket troffer fixture — White
• Mounting hardware for recessed T-bar grid installation