The ultimate LED refit light; Sigma is a full featured LED down light. hole cut-out size is similar to many of the legacy halogen down lights that it is designed to replace. Sigma is supplied with springs for interior mounting (e.g.  headliner-wrapped or paneled ceilings). For secure mounting in to hard ceilings or exterior locations, simply remove the springs and mount with #4 s.steel flathead screws. A 10-40VAC/DC universal input allows Sigma to be used with 12V, 24V, or 32V systems and for voltage supplied by magnetic AC transformer as well.


  • Optimized functionality with the Intervolt Switchmode dimmers*
  • Hole (cut-out) size matches popular halogen recessed spots
  • 10-40VAC/DC input voltage (from battery or magnetic transformer)
  • May be installed with springs or screws
  • Part of matching family (small, large, surface-mount fixture).


*Although Sigma may work with other digital (PWM) DC dimmers, the Sigma was optimized to be 100% compatible with our InterVolt Switchmode Dimmers. Sigma is not compatible with low voltage AC dimmers (used with transformers).

Trim Ring (Bezel) Finish/Material

Stainless steel

Housing Finish/Material

E-coat aluminum

Lens Material

Acrylic polymer

Trim Ring (Bezel) Dimensions

3.57″ (91mm) dia x 0.34″ (9mm) height

Cut-out Dimensions

2.56″ (65mm)


5.06″(Width), 1.87″(Height), 5.56″(Length)

Recessed Depth

0.90″ (23mm)

Input Voltage


Power Consumption




Output Color

Warm White

Luminous Flux

197 lms

Correlated Color Temperature (CCT)


Color Rendering Index (CRI)


Beam Angle

83 dg.

Max Operating Temperature

130 dg. F (54 dg. C)

Lifetime Hours

50,000 hrs. (L70)

Dimmer Compatibility

Intervolt Switchmode DC Dimmers

Dimmer Control Interface

N/O, 1P/1T Momentary Push-Button

Mounting Method

Screws or springs

Install Location

Ceiling, interior/exterior

Ingress Protection

IP65 (applies only to frontal water exposure, i.e. Exposed surface)


Class III

Electrical Protections

Reverse Polarity, Transients, Spikes

Certifications & Compliance





5 Years / 1 Year Finish
Weight1 lbs
Dimensions5.56 × 5.06 × 1.87 in


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