| Call point type | Deformable element |
| Call point principle | Operation of a switch |
| Alarm indicator | Red light emitting diode (LED) |
| Fault indicator | Amber/Yellow LED |
| Supply wiring | Two-wire supply, polarity sensitive |
| Loop connections | Terminal block L1 -ve/L2 +ve |
| Supply voltage | 17 - 28 V dc |
| Quiescent current | 100 μA |
| Power up surge | 1 mA |
| Maximum power-up time | One second |
| Communications protocol | Discovery 5 - 9 V peak to peak |
| Alarm current, LED illuminated | 4 mA |
| Normal analogue value | 16 |
| Alarm state value | 64 |
| Operating temperature | -20ºC to 60ºC |
| Humidity (no condensing or icing) | 0% to 95% RH |
| Standards and Approvals |
EN 54-11, |
| IP rating | IP24D |
| Dimensions | 89mm wide x 93 mm high x 26.5 mm depth |
| Weight | 110 g (flush mounted) 160 g (surface mounted) |
| Materials | Fire retardant polycarbonate |
TR