| Employs the highly reliable fully digital communication protocol |
| Approved by BSI to EN 54-17 and EN 54-18 |
| Integrated short circuit isolators to protect and maintain operation |
| Loop powered with very low current consumption |
| Robust proven design offering operation over a wide temperature range |
| Relay switched via volt free changeover contacts |
| Alternate mechanical variants available to satisfy different applications |
| Bi-colour LEDs show local status |
| Fast fit plug-in cable connections |
| Fits to single gang (deep) back box |
| 1 year product warranty |
