AC Infinity IONBOARD S33 LED Grow Light | 240W, Samsung LM301H, 3×3 ft

AC Infinity 240W Full-Spectrum LED Grow Light for 3×3 Coverage

The IONBOARD S33 runs 240W from a 100–277V AC input across 640 Samsung LM301H diodes. Efficacy hits 2.7 µmol/J. PPFD reaches 1,702 across a 3×3 ft footprint. The unibody aluminum board carries a full-spectrum 3000K + 5000K white mix. It pairs with 660 nm and 730 nm reds. Dimming runs 0–100% in 20% steps via the GTS-100 driver knob. The fanless build is IP65 sealed and 50,000-hour rated.

Pairing With the UIS Smart Controller

The 0–100% dimmer port doubles as a UIS data port. Plug in a Controller 69 Pro for sunrise/sunset ramping and grow-cycle scheduling. In a 3×3 tent, growers typically hang the fixture 18–24 inches above canopy during veg. Tighten to 12–16 inches above canopy for late flower. Dim to 60–70% in early veg to avoid bleaching young tops. Daisy-chaining is supported.

Key Features

• 640 Samsung LM301H Diodes: Algorithmically positioned for an even PAR map and reduced canopy hot-spotting in a 3×3 ft footprint.
• 1,702 PPFD at 2.7 µmol/J: Mid-tier efficacy that holds 240W draw across the full 100–277V auto-voltage input.
• 20% Step Dimming Knob: GTS-100 driver dims 0–100% in 20% increments, so seedling-to-flower ramping happens by hand or by schedule.
• UIS Controller-Ready Port: Plugs into AC Infinity's Controller 69 Pro and ecosystem for app scheduling and sensor-triggered dimming.
• IP65 Fanless Build: Sealed unibody aluminum board with no moving parts in the airflow path — less maintenance, longer life in humid tents.

Technical Specifications