OverviewQlight QST50-Ex Series is a slim flame and dust ignition proof LED signal tower line designed for hazardous/explosive environments. The series includes multiple standard and accessory variants offering buzzer and terminal block options, high ingress protection, and international explosion-proof certifications.
Models / Variants- QST50-Ex (standard)
- QST50T-Ex (with Terminal Block)
- QST50M-Ex (standard slim type)
- QST50B-Ex (with Built-in Buzzer)
- QST50BT-Ex (Built-in Buzzer + Terminal Block)
- QST50BM-Ex (Built-in Buzzer)
Key features- Slim LED signal tower design optimized for space-saving installation
- Flame and dust ignition proof construction for use in explosive atmospheres
- Built-in buzzer options available; buzzer sound up to Max. 90 dB at 1 m for buzzer models
- Terminal block variants (T) for easier wiring connection
- Multiple product configurations to suit differing installation and signaling needs
Certifications & Protection- Ingress Protection: IP66
- Certified to: IECEx, ATEX, KCs, CCC
Technical specifications- Series: QST50-Ex Series
- Available model codes: QST50-Ex, QST50T-Ex, QST50M-Ex, QST50B-Ex, QST50BT-Ex, QST50BM-Ex
- Buzzer sound level (buzzer variants): Max. 90 dB @ 1 m
- Ingress protection rating: IP66
- Explosion-proof certifications: IECEx, ATEX, KCs, CCC