The 770MRL smoke alarm is a mains powered ionisation smoke alarm with rechargeable lithium battery back-up and a PUSH-FIT docking base system; designed to ensure quick and easy installation of base unit to the mains feed supply at installation stage (1st fix) and for quick and easy connection of alarm to base unit (2nd fix). The PUSH-FIT base provides spacious room for wiring in premises such as flats where concrete ceilings can be problematic. Top and side entries accommodate for either cable or mini trunking installations.
The PUSH-FIT base can also be used with 230V smoke and heat alarms in the 660, purchase 670 & 690 series and up to 12 compatible smoke and heat alarms can be linked for simultaneous warning.
| Dimensions | 140mm (diameter) x 53mm (depth) |
| Product Code | 770 MRL |
| Supply voltage | 230V AC, 50Hz |
| Battery back-up | Rechargeable lithium battery |
| Technology | Ionisation |
| Alarm sound level | 85dB(A) at 3m (minimum) |
| Installation positions | Ceiling / Wall |
| Operating temperature | +5°C to +38°C |
| Operating humidity | 10% to 85% relative |
| Storage temperature | +5°C to +38°C |
| Storage humidity | 10% to 85% relative |
| Plastic material | ABS, UL94 VO fire retardant |
| Warranty | 5 years |
| Master pack quantity | 10 |
| Weight | 262g |
| Certified to | BS EN 14604: 2005 |
| Independently tested to | N/A |
| Maximum number of connected units | 12 hardwired units |
| Operating Frequency | N/A |
| Range | N/A |
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