690MRL Heat Alarm

//690MRL Heat Alarm

690MRL Heat Alarm

Key Features

  • 230V mains powered heat alarm
  • Rechargeable lithium battery back-up
  • Class A2 – Thermistor sensing technology
  • Test button
  • Low battery warning
  • Multi-alarm interlink (up to 12 smoke and heat units)
  • LED operating indicators
  • Alarm source indicator
  • 5 year guarantee
  • BS 5446-2: 2003

Manual Datasheet



The 690MRL heat alarm is 230V mains powered with a 10 year rechargeable lithium battery back-up that will provide power to the unit in the event of a mains failure for a minimum of 6 months in standby mode. Designed for use in the kitchen, garage or attic. Up to 12 compatible units can be interlinked for simultaneous warning.

Technical specification

Model number 690MRL
Description 230V heat with rechargeable battery back-up
Technology Thermistor
Sensitivity N/A
Alarm sound level 85db at 3 metres
Battery type Rechargeable lithium
Operation AC/DC AC
Installation positions Ceiling
Operating temperature 5°C (40°F) to 38°C (100°F)
Operating humidity 10% to 85% relative
Storage temperature 5°C (40°F) to 38°C (100°F)
Storage humidity 10% to 85% relative
Warranty 5 years
Dimensions – Alarm + Base 140mm (D) x 58mm (H)
Unit weight – Alarm 201g
Pack dimensions 141mm (H) x 141mm (W) x 66mm (D)
Pack weight TBC
Master pack quantity 10
Master pack dimensions TBC
Master pack weight TBC
Pack barcode 5022391065319
Outer barcode 15022391065316
Approvals BS 5446-2: 2003

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