SIGMA 2 Round Trimless Downlight

September 11, 2026

The SIGMA 2 Round Trimless is a downlight that integrates seamlessly into the ceiling with no visible trim or hardware. Push-button clips replace traditional mouse-trap clips, eliminating drywall and paint damage while letting the driver and enclosure service through the aperture. With high output and a full tunable white range, it brings architectural-grade integration to Liteline’s longest-running downlight platform.

Beam Angle

This option is available with 10°, 24°, 40° and 50° beam angles. For UGR/Glare Data – please refer to the photometric reports.

LED Characteristics

Available with high powered BRIDGELUX® LED chip that maintains high lumens per watt with a typical 90 CRI.

LED Characteristics – Dim-to-Warm

Available with high powered LED chip that dims from 3000 K to 2000 K with a typical 90 CRI.

LED Optics

Integrated protective lens with Wall wash effects.

Dimming

Multiple dimming options are available. 100~10% dimming with TRIAC/ELV, 100~1% dimming with 0-10V, and dim y]to off with compatible devices. See LED Driver Options for details. Compatible with OnCloud dimmer. Consult factory for compatible dimmers.

Thermal Performance

Extruded aluminum heat sink ensures optimal heat dissipation and LED life.

LED Driver

The LED driver is remote mounted to allow for a lower operating temperature of the LED, longer life, and serviceable separate from the fixture. Includes an 18″ (457mm) plenum rated FT6 wire with DC 2.1 connector from the driver to fixture. Inrush current for all drivers is compliant with NEMA 410. See LED Driver Options for more specific details.