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AlarmSense A1R Rate of Rise Heat Detector

From: £12.99 ex VAT
£15.59 inc VAT
Product Overview

The AlarmSense A1R rate of rise heat detector from Apollo is designed to comply with BS 5839-1 and 6. The detector is triggered in to the alarm state as the temperature increases and features a fixed upper limit (55 °C) in case the temperature rate increase has been too slow. AlarmSense A1R heat detectors are ideal for environments which are smoky under normal conditions.

  • Detects a fire as the temperature increases
  • CE marked
  • Designed to comply with BS 5839-1 and 6
  • Features a fixed upper limit of 55 °C in case the increase in temperature is too slow
  • Available with three different base options:
  • Fitted with two LEDs for 360° visibility
  • The sounder beacon base enables compliance with the Disability Discrimination Act
  • Designed for use with the CFP AlarmSense two wire fire alarm panels
  • Ideal for use in environments that are smoky under normal conditions
  • White polycarbonate housing
Technical Data

This is the technical data for the AlarmSense A1R Rate of Rise Heat Detector.

Operating Voltage 9-33V
Quiescent Current <50µA at 15V
Alarm Current At 2-8.5V: <1.5mA
At 10.5-15V: 25 ± 2mA
At 18-24V: <1.5mA
At 33V: <2mA
Maximum Reset Voltage 2V
Reset Time 1s
Dimensions (HxDia) Detector only: 42x100mm
Detector with standard base: 50x100mm
Temperature Trigger 55 °C and rate of rise function
Manufacturer Part Number 55000-190

Data Sheets

Pricing & Availability

Model Stock Levels Price Weight
Standard mounting base
Product Code: FLASLHB
Lead Time: 2–3 days

£12.99 ex VAT

£15.59 inc VAT

Sounder base
Product Code: FLASLHSB
Lead Time: 2–3 days

£23.99 ex VAT

£28.79 inc VAT

Combined sounder/beacon base
Product Code: FLASLHSBB
Lead Time: 2–3 days

£32.99 ex VAT

£39.59 inc VAT


Delivery Options

The following delivery options are available on this product.

Economy Delivery

Delivered in 4-6 working days by Royal Mail from £3.90 ex VAT - More info

Express Delivery

Delivered in 2-3 days by our specialist courier from £6.50 ex VAT - More info

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