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Sigma A-Si
- UL864 and FM listed
- High brightness LEDs
- Detailed indication of the status of the control panel
- Supervised data connection
- Countdown timer shows time remaining until release
- Manual only and Automatic & Manual mode select keyswitch option
- Four wire connection (data and power)
- Protected dual action manual release switch option
- Option for zonal fire and trouble indication with buzzer
- Robust, high quality enclosure
- Easy access to terminals
- Remote Auto/Manual door interlock input (supervised)
- Remote Abort input (supervised)
- Internal trouble diagnosis indicators
| Mô tả | |
| Construction | 1.2mm mild sheet steel |
| IP Rating | IP30 |
| Colour - lid & box | Red (optional grey) |
| Power supply | 21 to 30 V DC |
| Maximum current draw | 0.07A |
| Max. number of status units | 7 |
| Quiescent current | 0.033A |
| Cable capacity | 2.5mm² per terminal |
| Monitored inputs end of line resistor |
6K8 0.5W Resistor |
| Monitored inputs normal threshold | 8K ohm to 1K ohm |
| Monitored inputs trigger threshold | 700 ohms to 100 ohms |
| Monitored inputs | 99 ohms to 0 ohms |
| Short circuit threshold | |
| Data connection | Two wire RS485 connection (max 1200 metres) |
