QST light tower (ATEX/IEXEx)

Product information

• Ex db IIC T6 Gb rated for use in explosive gas atmospheres (Zone 1/2) and Ex tb IIIC T85°C Db for dusty environments (Zone 21/22)
• Certifications: IECEx, ATEX, KCs and NEPSI/CCC
• IP66/IP67 aluminum housing provides excellent durability in harsh environments

• Special light diffusion tube concentrates the LED light for high visibility at a distance

• Operating temperature: -40 °C to +60 °C
• Available in 1-5 layers with the colors red, yellow, green, blue and white
• Supply voltage: DC 24 V or AC 110-230 V

• Flash rate: 60-80 flashes/minute, sound volume up to 90 dB at 1 m (buzzer model)
• Cable entry M20×P1.5 or 1/2″ NPT

Four model variants:

• QST50-Ex – Basic model with LED light tower

• QST50B-Ex – With built-in buzzer and flame arrester (deflagration arrester)
• QST50T-Ex – With integrated terminal block for easier power cable connection
• QST50BT-Ex – With both built-in buzzer and integrated terminal block; also available with optional explosion-proof cable gland