Siemens 16-28V DC Heat Detector with Led Indicator IP40 S54372F9A1

Siemens
Siemens
SIE S54372F9A1

Siemens collective and thermovelocimetric A1R heat detector, ideal for dusty or humid environments. High reliability, IP40, with built-in LED indicator, with the following features:

  • Sensor: Point thermal

  • Supply voltage: 16-28V DC

  • Quiescent current: Max. 100 μA

  • Temperature class: A1R (thermovelocimetric)

  • Led signaling: 3 colors, 360 degree visibility

  • Degree of protection: IP40

  • Color: White

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Siemens 16-28V DC Heat Detector with Led Indicator IP40 S54372F9A1
€19.40
€19.40

€19.40
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€19.40

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A1R High Reliability Collective Heat Detector

The Siemens collective heat detector is designed for applications in harsh environments where dust, moisture, fibers or corrosive vapors would make conventional smoke detectors unsuitable.

Based on a high-precision thermal sensor, this device offers high reliability in detecting rapid temperature increases (thermovelocimetric) and monitoring the attainment of fixed thresholds, according to the A1R classification, in accordance with EN 54-5.

Maximum Resistance in Critical Environmental Conditions

The detector body is constructed of shockproof and tamperproof materials, while the internal electronics are protected from electromagnetic interference, vibration and temporary condensation.

It is therefore ideal for:

  • Industrial environments

  • Dusty warehouses

  • Areas with high humidity

  • Installations with forced ventilation

360-degree Status LED and Advanced Features

A built-in 3-color LED, visible from any angle, indicates the detector status (normal, alarm, error). Up to 2 external alarm indicators (type FDAI91/92/93) can be connected, for installations requiring remote visibility.

The module uses signal processing algorithms to ensure reliable performance, and features drift compensation and built-in error monitoring.

Versatile Installation and Compatibility

  • Compatible with standard Siemens 110z series bases

  • Suitable for both surface and recessed installation

  • Compatible with exchanges on collective and conventional lines

  • IP40 degree of protection (expandable to IP42 with RS720 base seal)

Recommended Applications

  • Workshops and industrial laboratories

  • Tunnels, basements and garages

  • Areas subject to rapid temperature changes

  • Environments where smoke detectors would generate false alarms

Technical Specifications A1R Heat Detector

Parameter Value
Type A1R collective heat detector
Sensor Point-type thermal
Protocol Collective / Conventional (110 series)
Supply voltage 16 TO 28 V DC
Quiescent current Max. 100 μA
Temperature class A1R (thermovelocimetric)
Resistance To dust, humidity, vibration and corrosive agents
LED signaling 3 colors, 360° visibility
Connectable external indicators Up to 2 (FDAI91/92/93)
Operating temperature range -25 ÷ +70 °C
Storage temperature -30 ÷ +70 °C
Relative humidity <95% (temporary condensation allowed)
Degree of protection IP40 (IP42 with RS720 base seal)
Color White
Reference Standards EN 54-5, EN 54-17, EN 54-18

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