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Sigma XT
- Approved to EN12094-1, EN54-2 and EN54-4
- Three detection zones as standard
- Any single zone or any combinations of zones can beconfigured to release
- Configurable first stage sounder delays
- Configurable detection delays
- Zero time delay upon manual release option
- Compatible with I.S. barriers
- Non-latching zone input option to receive signals fromother systems such as aspirating equipment
- Configurable extinguishant delays up to 60 secondsin 5 second steps
- Configurable extinguishant duration up to 5 minutes in 5 second steps
- Countdown timer shows time remaining until release
- Supports up to seven, four wire status indicators
- Built in Extract Fan control
| Mô tả | |
| Construction | 1.2mm mild sheet steel |
| IP Rating | IP30 |
| Finish | Epoxy powder coated |
| Colour - lid & box | BS 00 A 05 grey - fine texture |
| Colour - controls plate & labels | RAL 7047 light grey - satin |
| Weight | 6kg |
| Mains supply | 230V AC +10%/-15% (100 Watts maximum) |
| Mains supply fuse | 1.6 Amp (F1.6A L250V) |
| Power supply rating | 3 Amps total including battery charge 28V +/- 2V |
| Maximum ripple current | 200 millivolts |
| Battery type (Yuasa NP) | Two 12 Volt 7Ah sealed lead acid in series |
| Battery charge voltage | 27.6VDC nominal (temperature compensated) |
| Battery charge current | 0.7A maximum |
| Battery fuse | 20mm, 3.15A glass |
| Maximum current draw from batteries | 3 Amps |
| Quiescent current of panel in mains fail | 0.095A |
| R0V output | Fused at 500mA with electronic fuse |
| Sounder outputs | 24V Fused at 500mA with electronic fuse |
| Fault relay contact rating | 30VDC 1A Amp maximum |
| Fire relay contact rating | 30VDC 1A Amp maximum |
| Local fire relay contact rating | 30VDC 1A Amp maximum |
| First stage contact rating | 30VDC 1A Amp maximum |
| Second stage contact rating | 30VDC 1A Amp maximum |
| Extract contact rating | 30VDC 1A Amp maximum |
| Zone quiescent current | 2mA maximum |
| Terminal capacity | 0.5mm² to 2.5mm² solid or stranded wire |
| Number of detectors per zone | Dependent on type (maximum 32) |
| Number of sounders per circuit | Dependent on type (max. 0.5A per sounder circuit) |
| Detection circuit end of line | 6K8 5% ½ Watt resistor |
| Monitored input end of line | 6K8 5% ½ Watt resistor |
| Sounder circuit end of line | 10K 5% ¼ Watt resistor |
| Extinguishant output EOL | 1N4004 Diode |
| No. of detection circuits | 3 |
| No. of sounder circuits | 2 x 1st Stage, 1 x 2nd Stage |
| Extinguishant release output | Fused at 1 Amp |
| Extinguishant release delay | Adjustable 0 to 60 seconds (in 5 second steps) |
| Extinguishant release duration | Adjustable 60 to 300 seconds (in 5 second steps) |
| SIL, AL, FLT, RST inputs | Switched -ve, max resistance 100 Ohms |
| Zone normal threshold | 8K ohms to 1K ohm |
| Detector alarm threshold | 999 ohms to 400 ohms |
| Call point alarm threshold | 399 ohms to 100 ohms |
| Short circuit threshold | 99 ohms to 0 ohms |
| Head removal condition | 15.5 to 17.5 volts |
| Cabling | FP200 or equivalent |
| Monitored inputs normal threshold | 8K ohms to 1K ohm |
| Monitored inputs alarm threshold | 999 ohms to 100 ohms |
| Monitored inputs Short circuit threshold | 99 ohms to 0 ohms |
| Status unit/Ancillary board connection | Two wire RS485 connection |
| Status unit power output | Fused at 500mA with electronic fuse |
