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
# General
Product type: Large explosion-proof beacon, Ø150 mm
Brand: Qlight (South Korea)
Light source: rotating 15 W incandescent bulb (SEA, SEA-TI) · steady/flashing LED light with built-in selector (SEAL, SEAL-TI) · revolving LED light with multi-faceted reflector (SEALR, SEALR-TI) · xenon strobe lamp (SEAS, SEAS-TI)
Rotation: 120–140 rpm (SEA, SEALR, SEA-TI, SEALR-TI)
Flash rate: 60–80 flashes/min (SEAL, SEAS, SEAL-TI, SEAS-TI)
Telephone line: 2-wire PSTN · standby 45–55 VDC · ringing 25–120 VAC, 15–55 Hz (SEA-TI, SEAL-TI, SEALR-TI, SEAS-TI)
# Electrical
Supply voltage: 24 VDC · 120 VAC · 230 VAC
# Ex protection
Marking ATEX: II 2G Ex db IIC T6 Gb, IP66
Marking IECEx: Ex db IIC T6 Gb, IP66
Marking NEPSI / CCC / CCS: Ex db IIC T6 Gb (SEA, SEAL, SEALR, SEAS)
Marking KCs: Ex d IIC T6 IP66 · Ex tD A21 IP66 T85 °C (SEA, SEAL, SEALR, SEAS)
Ingress protection: IP66
Ambient temperature: -40 °C to +60 °C
# Mechanical
Dimensions: Ø167 mm (cage) × 287 mm (H) × 172 mm
Materials: tempered glass (lens), PC (filter), aluminium (housing), AISI 316L (protective cage)
Cable entry: 1/2" NPT
Housing colour: Munsell 7.5BG 7/2 (aqua green)
Lens colours: red, amber, green, blue
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