The LS343 is a premium ingrade luminaire with outstanding performance. The housing is totally sealed, as proven by independent lab tests rating the housing for submersion up to 33′ (10 m). The glass surface is safe to touch when fitted with HumanTouch™. Re-lamping and re-sealing on site is simple and robust. The choice of lamps and accessories makes the LS343 suitable for most uplighting applications.


Lamp Source

39 W, 70 W

MH T6 (G12)

39 W, 70 W

MH R111 (GX8.5)

39 W, 70 W

MH PAR 30 (E26 medium)

18 W

CFL (GX24-q2)

26 W, 32 W

CFL (GX24-q3)

42 W

CFL (GX24-q4)

75 W max

HAL R111 (G53)

75 W max

PAR 20 - 38 (E26 medium)

Approved Use

Suitable for wet locations

Suitable for use in poured concrete

IP Rating



316 marine grade stainless steel

Installation Types

Pre-Installation Blockout

Concrete pour, drive-over & general use applications

Direct Burial

Landscapes, planters & special applications

(consult factory)


With OptiClear™ lens and pre-installation blockout (LS640-K or LS640-K-SP)

Static Load Rating

8 140 lb (3 700 kg) with OptiClear™ lens
and pre-installation blockout

(Load applied to center of glass across a 2" diameter area)

Impact Rating

IK10 with OptiClear™ lens

Standard Inclusions

Teflon coated cover screws

MicroAntiLeach™ wire entry

Ambient Operating

HID -20 °F to 122 °F (-30 °C to 40 °C)

CFL 0 °F to 122 °F (-18 °C to 40 °C)


Order separately

LS640-K/LS640-K-SP Pre-installation blockout


Refer to

Glass Temperature

≤149 °F (≤65 °C)

HumanTouch™ compliant models

39 W, 70 W


18 - 42 W


Any luminaire can become hot - take care with appropriate use and placement

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