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Conventional Detectors

The JSB range of conventional detectors have been specifically designed to operate with JSB control panels.

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The JSB range of conventional detectors have been specifically designed to operate with JSB control panels.

The JSB optical detector FXN533 is suitable for most applications giving the fastest response to slow burning or smouldering fires which give rise to large visible smoke particles.

The JSB photo-thermal detector FXN632 will respond quickly to fast clean burning fires yet maintain the advantage of optical detectors when detecting smouldering fires. The thermal enhancement of this detector allows a higher alarm threshold which provides a greater rejection of false alarms. The detector will also raise an alarm at temperatures exceeding 60ºC.

The JSB fixed heat detectors FXN524 and FXN526 will detect temperatures above 77ºC and 92ºC. The rate of rise heat detector FXN525 is used to detect rapid increases in temperature with a maximum threshold of 60ºC.

These detectors are designed to be used in environments where the ambient conditions might cause false alarms if smoke detection were to be used, for example where there is a high level of dust, fumes, steam or smoke under normal conditions.

Features

  • Quick and simple to install
  • Stylish low profile design
  • 360º viewable LED
  • Removable detector chamber
  • Drift compensation

Benefits

  • ‘Clean me’ feature means detector can be cleaned on site using the JSB manual cleaning procedure
  • Common mounting base
  • Positive ‘lock’ indication

Model (UNB)

FXN533

FXN632

FXN524

FXN526

FXN525

Description

Optical Sensor

Photo-Themal Sensor

Heat Sensor (Fast)

Heat Sensor (Med)

Heat Sensor (High)

CPD approved product

0832CPD0633

0832CPD0629

0832CPD0233

0832CPD0236

0832CPD0237

Standards

EN54 pt7:2000

EN54 pt7:2000

EN54 pt5:2000 + A1:2002

+ A1:2002

+ A1:2002

 

 

 

 

EN54 pt5:2000

 

 

 

 

+ A1:2002

 

 

 

Area coverage

100m² (subject to local standard)

50m² (subject to local standard)

System wiring

2 core

Indication

360° visibility light pipe

Mounting

Surface mount CDBB300, FXN520 base

Compatibility

Conventional fire panels

Detetion Mode

Light scatter principle

Light scatter principle

Heat sensitive element

 

 heat sensitive element

 

 

 

Operating voltage

15 to 30V dc

Max stand by current

30μA

Max Start up current

340μA

 

Max alarm current

25mA

Heat class

 

A2S

A2R

BS

CS

Alarm temperature

 

60°C

 

77°C

92°C

Environmental

 

 

 

 

 

Application

Indoor use IP 40

Temperature

-20°C to 60°C

-20°C to 45°C

-20°C to 60°C

-20°C to 60°C

-20°C to 75°C

Humidity

0 to 95% non condensing

EMC

CE marked

Construction

 

 

 

 

 

Material

PC/ABS

Colour

White

Dimensions

 

 

 

 

 

Excluding Base (Dia x H)

 

100mm x 43mm

Including Base (Dia x H)

100mm x 45mm

101mm x 55mm

 

FXN533 Optical Sensor
FXN632 Photo-Thermal Sensor
FXN524 Heat Sensor (Fast)
FXN526 Heat Sensor (Med)
FXN525 Heat Sensor (High)