Zone 1
Explosive gas atmosphere likely to occur in normal operation
Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Class I Division 2
Area where flammable gases or vapours are present only under abnormal conditions
# General
Product type: Explosion-proof LED luminaire
Brand: Qlight (South Korea)
Light colour: cool daylight (QLEX-SLM, QLEX-350)
Illuminance: about 310 lux at 1 m (QLEX-NEC-250) · about 230 lux at 1 m (QLEX-350) · about 700 lux at 1 m (QLEX-SLM-650-EMG)
Emergency duration: max 2 h (2,700 mAh battery) (QLEX-SLM-650-EMG)
Charging time: min 12.5 h (QLEX-SLM-650-EMG)
Series: QLEX Series
Use: hazardous areas (QLEX-TRI-240(PL))
# Electrical
Supply voltage: 24 VDC · 220 VAC (QLEX-SLM) · 24 VDC (QLEX-NEC-250, QLEX-350, QLEX-TRI-240(PL)) · 110–230 VAC (QLEX-SLM-650-EMG)
# Ex protection
Marking ATEX: II 2G Ex db IIC T6 Gb (QLEX-SLM)
Marking IECEx: Ex db IIC T6 Gb (QLEX-SLM, QLEX-NEC-250)
Ingress protection: IP66 / IP67 (QLEX-SLM, QLEX-NEC-250, QLEX-350) · IP66 (QLEX-SLM-650-EMG)
Ambient temperature: -40 °C to +60 °C (250 mm) · -40 °C to +55 °C T6 / +60 °C T5 (650 mm) (QLEX-SLM) · -40 °C to +60 °C (IECEx) · -20 °C to +40 °C (NRTL) (QLEX-NEC-250) · -40 °C to +60 °C (QLEX-350) · -20 °C to +60 °C (QLEX-SLM-650-EMG)
Marking NEC (Intertek): Class I Div 2 Groups A-D T6 · Class I Zone 1 AEx db IIC T6 Gb (QLEX-NEC-250)
Marking KCs: Ex d IIC T6 (QLEX-350, QLEX-TRI-240(PL)) · Ex d IIC T6, IP66 (QLEX-SLM-650-EMG)
Marking NEPSI / CCC: Ex db IIC T6 Gb (QLEX-350, QLEX-TRI-240(PL))
# Mechanical
Dimensions: 105 × 65 × 250–650 mm (QLEX-SLM) · 105 × 70 × 250 mm (QLEX-NEC-250) · 110 × 93 × 350 mm (QLEX-350) · 187/90 × 110 × 792 mm (QLEX-SLM-650-EMG) · 52(W)×70(H)×244(L) (QLEX-TRI-240(PL))
Materials: aluminium (end caps and bracket), PC (lens) (QLEX-SLM, QLEX-NEC-250) · aluminium (end caps and bracket), PC (lens), NBR (seals) (QLEX-350) · aluminium (housing and covers), PC (lens), aluminium/stainless (bracket) (QLEX-SLM-650-EMG) · aluminium (side cover), PC (lens), PC (bracket) (QLEX-TRI-240(PL))
Cable entry: M12×1.5 (QLEX-SLM) · M20×1.5 or 1/2" NPT (QLEX-NEC-250) · 1/2" NPT (QLEX-SLM-650-EMG)
Ingress protection: IP66 / IP67 (QLEX-TRI-240(PL))
Ambient temperature: -40 °C to +60 °C (QLEX-TRI-240(PL))
# Certifications
Certifications: KCs · NEPSI · CE · CCC (QLEX-TRI-240(PL))
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