Explosion protection
CENELEC
IEC
For use in
Zone 0
Zone 1 and Zone 2
49 different signal sequences adjustable with internal DIP switches
Three different signal sequences can be selected through an external switch with a given DIP switch setting
Three PFEER signals
"General alarm"
"Toxic gas alarm"
"Prepare to abandon platform"
Volume adjustable
Robust plastic enclosure (ABS)
Synchronized tone sequence of parallel operated devices by quartz-controlled oscillator
Option: speaker module, programmable
Series 8491 signal horns serve as audible alarms for EEx i circuits.
- Explosion protection
- For use in
- 49 different signal sequences adjustable with internal DIP switches
- Three different signal sequences can be selected through an external switch with a given DIP switch setting
- Three PFEER signals
- "General alarm"
- "Toxic gas alarm"
- "Prepare to abandon platform"
- Volume adjustable
- Robust plastic enclosure (ABS)
- Synchronized tone sequence of parallel operated devices by quartz-controlled oscillator
- Option: speaker module, programmable
Series 8491 signal horns serve as audible alarms for EEx i circuits.