Button and display module for 19 inches assembly frames. It is suitable for manual control in switch cabinet doors or remote control panels. When delivered, the module is used as collective fault alarm module. The LEDs and buttons are activated and analyzed by SNVT network variables. Functions of the collective fault alarm module:
| LED 1 Operating mode indicator | Illuminated |
| LED 2 Collective warning | Yellow |
| LED 3 Collective fault message | Red, flashing |
| LED 4 Switch in manual position | Illuminated |
| Button 1 | Acknowledgement |
| Button 2 | Unblocking |
| Button 3 | Lamp test |
| Protocol | FTT10A, free topology |
| Neuron | 3120, 3k EEPROM |
| Transmission rate | 78 KBit/s |
| Operating voltage range | 24 V DC +/- 15 % |
| Current consumption | 43 mA |
| Relative duty cycle | 100 % |
| Display | 3 LEDs |
| Buttons | 4 x |
| Dimensions (W x H x D) | 40 x 128.7 x 35 mm |
| Dimensions for 19 inches design | 3RU x 8HP |
| Connection / terminal block | pluggable, 1.5 mm² |
| Operating temperature range | -5 °C to +55 °C |
| Storage temperature range | -20 °C to +70 °C |
| Ingress protection | IP20 |