BFT 1 fire signalling fixture with destructible glass insert
| Fixing | |
| Countersunk screw | M4 DIN 963 |
| Wall thickness | 1 - 8 mm |
| Connectivity | |
| Connection (rigid or flexible) | 1.5 mm² |
| Materials | |
| Faceplate, stainless steel | 2 mm |
| Frame, galvanised sheet metal | 1.5 mm |
| Alternating contact (SPDT) | |
| Alternating contact (quantity) | 1 |
| U (AC) | 250 V |
| I (ohmic load) | 6 A |